1 | /** |
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2 | * @file sz_int16.c |
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3 | * @author Sheng Di |
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4 | * @date Aug, 2017 |
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5 | * @brief sz_int16, Compression and Decompression functions |
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6 | * (C) 2017 by Mathematics and Computer Science (MCS), Argonne National Laboratory. |
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7 | * See COPYRIGHT in top-level directory. |
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8 | */ |
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9 | |
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10 | |
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11 | #include <stdio.h> |
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12 | #include <stdlib.h> |
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13 | #include <string.h> |
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14 | #include <unistd.h> |
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15 | #include <math.h> |
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16 | #include "sz.h" |
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17 | #include "CompressElement.h" |
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18 | #include "DynamicByteArray.h" |
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19 | #include "DynamicIntArray.h" |
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20 | #include "zlib.h" |
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21 | #include "rw.h" |
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22 | #include "TightDataPointStorageI.h" |
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23 | #include "sz_int16.h" |
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24 | #include "utility.h" |
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25 | |
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26 | unsigned int optimize_intervals_int16_1D(int16_t *oriData, size_t dataLength, double realPrecision) |
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27 | { |
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28 | size_t i = 0, radiusIndex; |
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29 | int64_t pred_value = 0, pred_err; |
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30 | size_t *intervals = (size_t*)malloc(confparams_cpr->maxRangeRadius*sizeof(size_t)); |
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31 | memset(intervals, 0, confparams_cpr->maxRangeRadius*sizeof(size_t)); |
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32 | size_t totalSampleSize = dataLength/confparams_cpr->sampleDistance; |
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33 | for(i=2;i<dataLength;i++) |
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34 | { |
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35 | if(i%confparams_cpr->sampleDistance==0) |
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36 | { |
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37 | //pred_value = 2*oriData[i-1] - oriData[i-2]; |
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38 | pred_value = oriData[i-1]; |
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39 | pred_err = llabs(pred_value - oriData[i]); |
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40 | radiusIndex = (uint64_t)((pred_err/realPrecision+1)/2); |
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41 | if(radiusIndex>=confparams_cpr->maxRangeRadius) |
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42 | radiusIndex = confparams_cpr->maxRangeRadius - 1; |
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43 | intervals[radiusIndex]++; |
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44 | } |
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45 | } |
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46 | //compute the appropriate number |
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47 | size_t targetCount = totalSampleSize*confparams_cpr->predThreshold; |
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48 | size_t sum = 0; |
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49 | for(i=0;i<confparams_cpr->maxRangeRadius;i++) |
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50 | { |
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51 | sum += intervals[i]; |
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52 | if(sum>targetCount) |
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53 | break; |
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54 | } |
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55 | if(i>=confparams_cpr->maxRangeRadius) |
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56 | i = confparams_cpr->maxRangeRadius-1; |
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57 | |
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58 | unsigned int accIntervals = 2*(i+1); |
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59 | unsigned int powerOf2 = roundUpToPowerOf2(accIntervals); |
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60 | |
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61 | if(powerOf2<32) |
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62 | powerOf2 = 32; |
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63 | |
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64 | free(intervals); |
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65 | //printf("accIntervals=%d, powerOf2=%d\n", accIntervals, powerOf2); |
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66 | return powerOf2; |
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67 | } |
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68 | |
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69 | unsigned int optimize_intervals_int16_2D(int16_t *oriData, size_t r1, size_t r2, double realPrecision) |
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70 | { |
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71 | size_t i,j, index; |
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72 | size_t radiusIndex; |
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73 | int64_t pred_value = 0, pred_err; |
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74 | size_t *intervals = (size_t*)malloc(confparams_cpr->maxRangeRadius*sizeof(size_t)); |
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75 | memset(intervals, 0, confparams_cpr->maxRangeRadius*sizeof(size_t)); |
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76 | size_t totalSampleSize = (r1-1)*(r2-1)/confparams_cpr->sampleDistance; |
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77 | for(i=1;i<r1;i++) |
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78 | { |
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79 | for(j=1;j<r2;j++) |
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80 | { |
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81 | if((i+j)%confparams_cpr->sampleDistance==0) |
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82 | { |
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83 | index = i*r2+j; |
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84 | pred_value = oriData[index-1] + oriData[index-r2] - oriData[index-r2-1]; |
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85 | pred_err = llabs(pred_value - oriData[index]); |
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86 | radiusIndex = (uint64_t)((pred_err/realPrecision+1)/2); |
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87 | if(radiusIndex>=confparams_cpr->maxRangeRadius) |
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88 | radiusIndex = confparams_cpr->maxRangeRadius - 1; |
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89 | intervals[radiusIndex]++; |
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90 | } |
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91 | } |
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92 | } |
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93 | //compute the appropriate number |
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94 | size_t targetCount = totalSampleSize*confparams_cpr->predThreshold; |
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95 | size_t sum = 0; |
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96 | for(i=0;i<confparams_cpr->maxRangeRadius;i++) |
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97 | { |
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98 | sum += intervals[i]; |
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99 | if(sum>targetCount) |
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100 | break; |
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101 | } |
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102 | if(i>=confparams_cpr->maxRangeRadius) |
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103 | i = confparams_cpr->maxRangeRadius-1; |
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104 | unsigned int accIntervals = 2*(i+1); |
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105 | unsigned int powerOf2 = roundUpToPowerOf2(accIntervals); |
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106 | |
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107 | if(powerOf2<32) |
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108 | powerOf2 = 32; |
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109 | |
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110 | free(intervals); |
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111 | //printf("confparams_cpr->maxRangeRadius = %d, accIntervals=%d, powerOf2=%d\n", confparams_cpr->maxRangeRadius, accIntervals, powerOf2); |
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112 | return powerOf2; |
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113 | } |
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114 | |
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115 | unsigned int optimize_intervals_int16_3D(int16_t *oriData, size_t r1, size_t r2, size_t r3, double realPrecision) |
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116 | { |
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117 | size_t i,j,k, index; |
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118 | size_t radiusIndex; |
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119 | size_t r23=r2*r3; |
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120 | int64_t pred_value = 0, pred_err; |
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121 | size_t *intervals = (size_t*)malloc(confparams_cpr->maxRangeRadius*sizeof(size_t)); |
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122 | memset(intervals, 0, confparams_cpr->maxRangeRadius*sizeof(size_t)); |
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123 | size_t totalSampleSize = (r1-1)*(r2-1)*(r3-1)/confparams_cpr->sampleDistance; |
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124 | for(i=1;i<r1;i++) |
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125 | { |
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126 | for(j=1;j<r2;j++) |
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127 | { |
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128 | for(k=1;k<r3;k++) |
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129 | { |
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130 | if((i+j+k)%confparams_cpr->sampleDistance==0) |
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131 | { |
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132 | index = i*r23+j*r3+k; |
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133 | pred_value = oriData[index-1] + oriData[index-r3] + oriData[index-r23] |
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134 | - oriData[index-1-r23] - oriData[index-r3-1] - oriData[index-r3-r23] + oriData[index-r3-r23-1]; |
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135 | pred_err = llabs(pred_value - oriData[index]); |
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136 | radiusIndex = (pred_err/realPrecision+1)/2; |
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137 | if(radiusIndex>=confparams_cpr->maxRangeRadius) |
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138 | { |
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139 | radiusIndex = confparams_cpr->maxRangeRadius - 1; |
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140 | //printf("radiusIndex=%d\n", radiusIndex); |
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141 | } |
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142 | intervals[radiusIndex]++; |
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143 | } |
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144 | } |
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145 | } |
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146 | } |
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147 | //compute the appropriate number |
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148 | size_t targetCount = totalSampleSize*confparams_cpr->predThreshold; |
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149 | size_t sum = 0; |
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150 | for(i=0;i<confparams_cpr->maxRangeRadius;i++) |
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151 | { |
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152 | sum += intervals[i]; |
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153 | if(sum>targetCount) |
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154 | break; |
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155 | } |
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156 | if(i>=confparams_cpr->maxRangeRadius) |
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157 | i = confparams_cpr->maxRangeRadius-1; |
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158 | unsigned int accIntervals = 2*(i+1); |
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159 | unsigned int powerOf2 = roundUpToPowerOf2(accIntervals); |
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160 | |
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161 | if(powerOf2<32) |
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162 | powerOf2 = 32; |
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163 | |
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164 | free(intervals); |
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165 | //printf("targetCount=%d, sum=%d, totalSampleSize=%d, ratio=%f, accIntervals=%d, powerOf2=%d\n", targetCount, sum, totalSampleSize, (double)sum/(double)totalSampleSize, accIntervals, powerOf2); |
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166 | return powerOf2; |
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167 | } |
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168 | |
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169 | |
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170 | unsigned int optimize_intervals_int16_4D(int16_t *oriData, size_t r1, size_t r2, size_t r3, size_t r4, double realPrecision) |
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171 | { |
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172 | size_t i,j,k,l, index; |
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173 | size_t radiusIndex; |
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174 | size_t r234=r2*r3*r4; |
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175 | size_t r34=r3*r4; |
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176 | int64_t pred_value = 0, pred_err; |
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177 | size_t *intervals = (size_t*)malloc(confparams_cpr->maxRangeRadius*sizeof(size_t)); |
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178 | memset(intervals, 0, confparams_cpr->maxRangeRadius*sizeof(size_t)); |
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179 | size_t totalSampleSize = (r1-1)*(r2-1)*(r3-1)*(r4-1)/confparams_cpr->sampleDistance; |
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180 | for(i=1;i<r1;i++) |
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181 | { |
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182 | for(j=1;j<r2;j++) |
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183 | { |
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184 | for(k=1;k<r3;k++) |
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185 | { |
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186 | for (l=1;l<r4;l++) |
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187 | { |
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188 | if((i+j+k+l)%confparams_cpr->sampleDistance==0) |
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189 | { |
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190 | index = i*r234+j*r34+k*r4+l; |
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191 | pred_value = oriData[index-1] + oriData[index-r3] + oriData[index-r34] |
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192 | - oriData[index-1-r34] - oriData[index-r4-1] - oriData[index-r4-r34] + oriData[index-r4-r34-1]; |
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193 | pred_err = llabs(pred_value - oriData[index]); |
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194 | radiusIndex = (uint64_t)((pred_err/realPrecision+1)/2); |
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195 | if(radiusIndex>=confparams_cpr->maxRangeRadius) |
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196 | radiusIndex = confparams_cpr->maxRangeRadius - 1; |
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197 | intervals[radiusIndex]++; |
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198 | } |
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199 | } |
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200 | } |
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201 | } |
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202 | } |
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203 | //compute the appropriate number |
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204 | size_t targetCount = totalSampleSize*confparams_cpr->predThreshold; |
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205 | size_t sum = 0; |
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206 | for(i=0;i<confparams_cpr->maxRangeRadius;i++) |
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207 | { |
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208 | sum += intervals[i]; |
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209 | if(sum>targetCount) |
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210 | break; |
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211 | } |
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212 | if(i>=confparams_cpr->maxRangeRadius) |
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213 | i = confparams_cpr->maxRangeRadius-1; |
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214 | |
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215 | unsigned int accIntervals = 2*(i+1); |
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216 | unsigned int powerOf2 = roundUpToPowerOf2(accIntervals); |
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217 | |
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218 | if(powerOf2<32) |
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219 | powerOf2 = 32; |
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220 | |
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221 | free(intervals); |
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222 | return powerOf2; |
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223 | } |
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224 | |
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225 | TightDataPointStorageI* SZ_compress_int16_1D_MDQ(int16_t *oriData, size_t dataLength, double realPrecision, int64_t valueRangeSize, int64_t minValue) |
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226 | { |
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227 | unsigned char bytes[8] = {0,0,0,0,0,0,0,0}; |
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228 | int byteSize = computeByteSizePerIntValue(valueRangeSize); |
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229 | unsigned int quantization_intervals; |
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230 | if(exe_params->optQuantMode==1) |
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231 | quantization_intervals = optimize_intervals_int16_1D(oriData, dataLength, realPrecision); |
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232 | else |
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233 | quantization_intervals = exe_params->intvCapacity; |
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234 | updateQuantizationInfo(quantization_intervals); |
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235 | size_t i; |
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236 | |
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237 | int* type = (int*) malloc(dataLength*sizeof(int)); |
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238 | |
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239 | int16_t* spaceFillingValue = oriData; // |
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240 | |
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241 | DynamicByteArray *exactDataByteArray; |
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242 | new_DBA(&exactDataByteArray, DynArrayInitLen); |
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243 | |
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244 | int64_t last3CmprsData[3] = {0,0,0}; |
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245 | |
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246 | //add the first data |
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247 | type[0] = 0; |
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248 | compressInt16Value(spaceFillingValue[0], minValue, byteSize, bytes); |
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249 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
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250 | listAdd_int(last3CmprsData, spaceFillingValue[0]); |
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251 | |
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252 | type[1] = 0; |
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253 | compressInt16Value(spaceFillingValue[1], minValue, byteSize, bytes); |
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254 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
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255 | listAdd_int(last3CmprsData, spaceFillingValue[1]); |
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256 | //printf("%.30G\n",last3CmprsData[0]); |
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257 | |
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258 | int state; |
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259 | double checkRadius = (exe_params->intvCapacity-1)*realPrecision; |
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260 | int64_t curData; |
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261 | int64_t pred, predAbsErr; |
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262 | double interval = 2*realPrecision; |
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263 | |
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264 | for(i=2;i<dataLength;i++) |
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265 | { |
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266 | curData = spaceFillingValue[i]; |
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267 | //pred = 2*last3CmprsData[0] - last3CmprsData[1]; |
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268 | pred = last3CmprsData[0]; |
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269 | predAbsErr = llabs(curData - pred); |
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270 | if(predAbsErr<checkRadius) |
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271 | { |
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272 | state = (predAbsErr/realPrecision+1)/2; |
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273 | if(curData>=pred) |
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274 | { |
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275 | type[i] = exe_params->intvRadius+state; |
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276 | pred = pred + state*interval; |
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277 | } |
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278 | else //curData<pred |
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279 | { |
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280 | type[i] = exe_params->intvRadius-state; |
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281 | pred = pred - state*interval; |
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282 | } |
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283 | if(pred>SZ_INT16_MAX) pred = SZ_INT16_MAX; |
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284 | if(pred<SZ_INT16_MIN) pred = SZ_INT16_MIN; |
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285 | listAdd_int(last3CmprsData, pred); |
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286 | continue; |
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287 | } |
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288 | |
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289 | //unpredictable data processing |
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290 | type[i] = 0; |
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291 | compressInt16Value(curData, minValue, byteSize, bytes); |
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292 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
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293 | listAdd_int(last3CmprsData, curData); |
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294 | }//end of for |
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295 | |
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296 | size_t exactDataNum = exactDataByteArray->size / byteSize; |
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297 | |
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298 | TightDataPointStorageI* tdps; |
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299 | |
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300 | new_TightDataPointStorageI(&tdps, dataLength, exactDataNum, byteSize, |
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301 | type, exactDataByteArray->array, exactDataByteArray->size, |
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302 | realPrecision, minValue, quantization_intervals, SZ_INT16); |
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303 | |
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304 | //sdi:Debug |
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305 | /* int sum =0; |
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306 | for(i=0;i<dataLength;i++) |
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307 | if(type[i]==0) sum++; |
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308 | printf("opt_quantizations=%d, exactDataNum=%d, sum=%d\n",quantization_intervals, exactDataNum, sum);*/ |
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309 | |
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310 | //free memory |
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311 | free(type); |
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312 | free(exactDataByteArray); //exactDataByteArray->array has been released in free_TightDataPointStorageF(tdps); |
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313 | |
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314 | return tdps; |
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315 | } |
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316 | |
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317 | void SZ_compress_args_int16_StoreOriData(int16_t* oriData, size_t dataLength, TightDataPointStorageI* tdps, |
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318 | unsigned char** newByteData, size_t *outSize) |
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319 | { |
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320 | int intSize=sizeof(int16_t); |
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321 | size_t k = 0, i; |
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322 | tdps->isLossless = 1; |
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323 | size_t totalByteLength = 3 + MetaDataByteLength + exe_params->SZ_SIZE_TYPE + 1 + intSize*dataLength; |
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324 | *newByteData = (unsigned char*)malloc(totalByteLength); |
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325 | |
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326 | unsigned char dsLengthBytes[8]; |
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327 | for (i = 0; i < 3; i++)//3 |
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328 | (*newByteData)[k++] = versionNumber[i]; |
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329 | |
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330 | if(exe_params->SZ_SIZE_TYPE==4)//1 |
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331 | (*newByteData)[k++] = 16; //00010000 |
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332 | else |
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333 | (*newByteData)[k++] = 80; //01010000: 01000000 indicates the SZ_SIZE_TYPE=8 |
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334 | |
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335 | convertSZParamsToBytes(confparams_cpr, &((*newByteData)[k])); |
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336 | k = k + MetaDataByteLength; |
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337 | |
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338 | sizeToBytes(dsLengthBytes,dataLength); //SZ_SIZE_TYPE: 4 or 8 |
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339 | for (i = 0; i < exe_params->SZ_SIZE_TYPE; i++) |
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340 | (*newByteData)[k++] = dsLengthBytes[i]; |
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341 | |
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342 | if(sysEndianType==BIG_ENDIAN_SYSTEM) |
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343 | memcpy((*newByteData)+4+MetaDataByteLength+exe_params->SZ_SIZE_TYPE, oriData, dataLength*intSize); |
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344 | else |
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345 | { |
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346 | unsigned char* p = (*newByteData)+4+MetaDataByteLength+exe_params->SZ_SIZE_TYPE; |
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347 | for(i=0;i<dataLength;i++,p+=intSize) |
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348 | int16ToBytes_bigEndian(p, oriData[i]); |
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349 | } |
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350 | *outSize = totalByteLength; |
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351 | } |
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352 | |
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353 | void SZ_compress_args_int16_NoCkRngeNoGzip_1D(unsigned char** newByteData, int16_t *oriData, |
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354 | size_t dataLength, double realPrecision, size_t *outSize, int64_t valueRangeSize, int16_t minValue) |
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355 | { |
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356 | TightDataPointStorageI* tdps = SZ_compress_int16_1D_MDQ(oriData, dataLength, realPrecision, valueRangeSize, minValue); |
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357 | //TODO: return bytes.... |
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358 | convertTDPStoFlatBytes_int(tdps, newByteData, outSize); |
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359 | if(*outSize > dataLength*sizeof(int16_t)) |
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360 | SZ_compress_args_int16_StoreOriData(oriData, dataLength+2, tdps, newByteData, outSize); |
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361 | free_TightDataPointStorageI(tdps); |
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362 | } |
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363 | |
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364 | TightDataPointStorageI* SZ_compress_int16_2D_MDQ(int16_t *oriData, size_t r1, size_t r2, double realPrecision, int64_t valueRangeSize, int64_t minValue) |
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365 | { |
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366 | unsigned char bytes[8] = {0,0,0,0,0,0,0,0}; |
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367 | int byteSize = computeByteSizePerIntValue(valueRangeSize); |
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368 | |
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369 | unsigned int quantization_intervals; |
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370 | if(exe_params->optQuantMode==1) |
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371 | { |
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372 | quantization_intervals = optimize_intervals_int16_2D(oriData, r1, r2, realPrecision); |
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373 | updateQuantizationInfo(quantization_intervals); |
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374 | } |
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375 | else |
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376 | quantization_intervals = exe_params->intvCapacity; |
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377 | size_t i,j; |
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378 | int64_t pred1D, pred2D, curValue, tmp; |
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379 | int diff = 0.0; |
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380 | double itvNum = 0; |
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381 | int16_t *P0, *P1; |
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382 | |
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383 | size_t dataLength = r1*r2; |
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384 | |
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385 | P0 = (int16_t*)malloc(r2*sizeof(int16_t)); |
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386 | memset(P0, 0, r2*sizeof(int16_t)); |
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387 | P1 = (int16_t*)malloc(r2*sizeof(int16_t)); |
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388 | memset(P1, 0, r2*sizeof(int16_t)); |
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389 | |
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390 | int* type = (int*) malloc(dataLength*sizeof(int)); |
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391 | //type[dataLength]=0; |
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392 | |
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393 | int16_t* spaceFillingValue = oriData; // |
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394 | |
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395 | DynamicByteArray *exactDataByteArray; |
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396 | new_DBA(&exactDataByteArray, DynArrayInitLen); |
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397 | |
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398 | type[0] = 0; |
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399 | curValue = P1[0] = spaceFillingValue[0]; |
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400 | compressInt16Value(curValue, minValue, byteSize, bytes); |
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401 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
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402 | |
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403 | /* Process Row-0 data 1*/ |
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404 | pred1D = P1[0]; |
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405 | diff = spaceFillingValue[1] - pred1D; |
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406 | |
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407 | itvNum = llabs(diff)/realPrecision + 1; |
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408 | |
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409 | if (itvNum < exe_params->intvCapacity) |
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410 | { |
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411 | if (diff < 0) itvNum = -itvNum; |
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412 | type[1] = (int) (itvNum/2) + exe_params->intvRadius; |
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413 | tmp = pred1D + 2 * (type[1] - exe_params->intvRadius) * realPrecision; |
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414 | if(tmp >= SZ_INT16_MIN&&tmp<SZ_INT16_MAX) |
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415 | P1[1] = tmp; |
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416 | else if(tmp < SZ_INT16_MIN) |
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417 | P1[1] = SZ_INT16_MIN; |
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418 | else |
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419 | P1[1] = SZ_INT16_MAX; |
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420 | } |
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421 | else |
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422 | { |
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423 | type[1] = 0; |
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424 | curValue = P1[1] = spaceFillingValue[1]; |
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425 | compressInt16Value(curValue, minValue, byteSize, bytes); |
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426 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
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427 | } |
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428 | |
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429 | /* Process Row-0 data 2 --> data r2-1 */ |
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430 | for (j = 2; j < r2; j++) |
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431 | { |
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432 | pred1D = 2*P1[j-1] - P1[j-2]; |
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433 | diff = spaceFillingValue[j] - pred1D; |
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434 | |
---|
435 | itvNum = llabs(diff)/realPrecision + 1; |
---|
436 | |
---|
437 | if (itvNum < exe_params->intvCapacity) |
---|
438 | { |
---|
439 | if (diff < 0) itvNum = -itvNum; |
---|
440 | type[j] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
441 | tmp = pred1D + 2 * (type[j] - exe_params->intvRadius) * realPrecision; |
---|
442 | if(tmp >= SZ_INT16_MIN&&tmp<SZ_INT16_MAX) |
---|
443 | P1[j] = tmp; |
---|
444 | else if(tmp < SZ_INT16_MIN) |
---|
445 | P1[j] = SZ_INT16_MIN; |
---|
446 | else |
---|
447 | P1[j] = SZ_INT16_MAX; |
---|
448 | } |
---|
449 | else |
---|
450 | { |
---|
451 | type[j] = 0; |
---|
452 | curValue = P1[j] = spaceFillingValue[j]; |
---|
453 | compressInt16Value(curValue, minValue, byteSize, bytes); |
---|
454 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
455 | } |
---|
456 | } |
---|
457 | |
---|
458 | /* Process Row-1 --> Row-r1-1 */ |
---|
459 | size_t index; |
---|
460 | for (i = 1; i < r1; i++) |
---|
461 | { |
---|
462 | /* Process row-i data 0 */ |
---|
463 | index = i*r2; |
---|
464 | pred1D = P1[0]; |
---|
465 | diff = spaceFillingValue[index] - pred1D; |
---|
466 | |
---|
467 | itvNum = llabs(diff)/realPrecision + 1; |
---|
468 | |
---|
469 | if (itvNum < exe_params->intvCapacity) |
---|
470 | { |
---|
471 | if (diff < 0) itvNum = -itvNum; |
---|
472 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
473 | tmp = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
474 | if(tmp >= SZ_INT16_MIN&&tmp<SZ_INT16_MAX) |
---|
475 | P0[0] = tmp; |
---|
476 | else if(tmp < SZ_INT16_MIN) |
---|
477 | P0[0] = SZ_INT16_MIN; |
---|
478 | else |
---|
479 | P0[0] = SZ_INT16_MAX; |
---|
480 | } |
---|
481 | else |
---|
482 | { |
---|
483 | type[index] = 0; |
---|
484 | curValue = P0[0] = spaceFillingValue[index]; |
---|
485 | compressInt16Value(curValue, minValue, byteSize, bytes); |
---|
486 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
487 | } |
---|
488 | |
---|
489 | /* Process row-i data 1 --> r2-1*/ |
---|
490 | for (j = 1; j < r2; j++) |
---|
491 | { |
---|
492 | index = i*r2+j; |
---|
493 | pred2D = P0[j-1] + P1[j] - P1[j-1]; |
---|
494 | |
---|
495 | diff = spaceFillingValue[index] - pred2D; |
---|
496 | |
---|
497 | itvNum = llabs(diff)/realPrecision + 1; |
---|
498 | |
---|
499 | if (itvNum < exe_params->intvCapacity) |
---|
500 | { |
---|
501 | if (diff < 0) itvNum = -itvNum; |
---|
502 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
503 | tmp = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
504 | if(tmp >= SZ_INT16_MIN&&tmp<SZ_INT16_MAX) |
---|
505 | P0[j] = tmp; |
---|
506 | else if(tmp < SZ_INT16_MIN) |
---|
507 | P0[j] = SZ_INT16_MIN; |
---|
508 | else |
---|
509 | P0[j] = SZ_INT16_MAX; |
---|
510 | } |
---|
511 | else |
---|
512 | { |
---|
513 | type[index] = 0; |
---|
514 | curValue = P0[j] = spaceFillingValue[index]; |
---|
515 | compressInt16Value(curValue, minValue, byteSize, bytes); |
---|
516 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
517 | } |
---|
518 | } |
---|
519 | |
---|
520 | int16_t *Pt; |
---|
521 | Pt = P1; |
---|
522 | P1 = P0; |
---|
523 | P0 = Pt; |
---|
524 | } |
---|
525 | |
---|
526 | if(r2!=1) |
---|
527 | free(P0); |
---|
528 | free(P1); |
---|
529 | |
---|
530 | size_t exactDataNum = exactDataByteArray->size; |
---|
531 | |
---|
532 | TightDataPointStorageI* tdps; |
---|
533 | |
---|
534 | new_TightDataPointStorageI(&tdps, dataLength, exactDataNum, byteSize, |
---|
535 | type, exactDataByteArray->array, exactDataByteArray->size, |
---|
536 | realPrecision, minValue, quantization_intervals, SZ_INT16); |
---|
537 | |
---|
538 | //free memory |
---|
539 | free(type); |
---|
540 | free(exactDataByteArray); //exactDataByteArray->array has been released in free_TightDataPointStorageF(tdps); |
---|
541 | |
---|
542 | return tdps; |
---|
543 | } |
---|
544 | |
---|
545 | /** |
---|
546 | * |
---|
547 | * Note: @r1 is high dimension |
---|
548 | * @r2 is low dimension |
---|
549 | * */ |
---|
550 | void SZ_compress_args_int16_NoCkRngeNoGzip_2D(unsigned char** newByteData, int16_t *oriData, size_t r1, size_t r2, double realPrecision, size_t *outSize, |
---|
551 | int64_t valueRangeSize, int16_t minValue) |
---|
552 | { |
---|
553 | TightDataPointStorageI* tdps = SZ_compress_int16_2D_MDQ(oriData, r1, r2, realPrecision, valueRangeSize, minValue); |
---|
554 | |
---|
555 | convertTDPStoFlatBytes_int(tdps, newByteData, outSize); |
---|
556 | |
---|
557 | size_t dataLength = r1*r2; |
---|
558 | if(*outSize>dataLength*sizeof(int16_t)) |
---|
559 | SZ_compress_args_int16_StoreOriData(oriData, dataLength, tdps, newByteData, outSize); |
---|
560 | |
---|
561 | free_TightDataPointStorageI(tdps); |
---|
562 | } |
---|
563 | |
---|
564 | TightDataPointStorageI* SZ_compress_int16_3D_MDQ(int16_t *oriData, size_t r1, size_t r2, size_t r3, double realPrecision, int64_t valueRangeSize, int64_t minValue) |
---|
565 | { |
---|
566 | unsigned char bytes[8] = {0,0,0,0,0,0,0,0}; |
---|
567 | int byteSize = computeByteSizePerIntValue(valueRangeSize); |
---|
568 | |
---|
569 | unsigned int quantization_intervals; |
---|
570 | if(exe_params->optQuantMode==1) |
---|
571 | { |
---|
572 | quantization_intervals = optimize_intervals_int16_3D(oriData, r1, r2, r3, realPrecision); |
---|
573 | updateQuantizationInfo(quantization_intervals); |
---|
574 | } |
---|
575 | else |
---|
576 | quantization_intervals = exe_params->intvCapacity; |
---|
577 | size_t i,j,k; |
---|
578 | int64_t pred1D, pred2D, pred3D, curValue, tmp; |
---|
579 | int diff = 0.0; |
---|
580 | double itvNum = 0; |
---|
581 | int16_t *P0, *P1; |
---|
582 | |
---|
583 | size_t dataLength = r1*r2*r3; |
---|
584 | |
---|
585 | size_t r23 = r2*r3; |
---|
586 | P0 = (int16_t*)malloc(r23*sizeof(int16_t)); |
---|
587 | P1 = (int16_t*)malloc(r23*sizeof(int16_t)); |
---|
588 | |
---|
589 | int* type = (int*) malloc(dataLength*sizeof(int)); |
---|
590 | |
---|
591 | int16_t* spaceFillingValue = oriData; // |
---|
592 | |
---|
593 | DynamicByteArray *exactDataByteArray; |
---|
594 | new_DBA(&exactDataByteArray, DynArrayInitLen); |
---|
595 | |
---|
596 | type[0] = 0; |
---|
597 | P1[0] = spaceFillingValue[0]; |
---|
598 | compressInt16Value(spaceFillingValue[0], minValue, byteSize, bytes); |
---|
599 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
600 | |
---|
601 | /* Process Row-0 data 1*/ |
---|
602 | pred1D = P1[0]; |
---|
603 | diff = spaceFillingValue[1] - pred1D; |
---|
604 | |
---|
605 | itvNum = llabs(diff)/realPrecision + 1; |
---|
606 | |
---|
607 | if (itvNum < exe_params->intvCapacity) |
---|
608 | { |
---|
609 | if (diff < 0) itvNum = -itvNum; |
---|
610 | type[1] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
611 | tmp = pred1D + 2 * (type[1] - exe_params->intvRadius) * realPrecision; |
---|
612 | if(tmp >= SZ_INT16_MIN&&tmp<SZ_INT16_MAX) |
---|
613 | P1[1] = tmp; |
---|
614 | else if(tmp < SZ_INT16_MIN) |
---|
615 | P1[1] = SZ_INT16_MIN; |
---|
616 | else |
---|
617 | P1[1] = SZ_INT16_MAX; |
---|
618 | } |
---|
619 | else |
---|
620 | { |
---|
621 | type[1] = 0; |
---|
622 | curValue = P1[1] = spaceFillingValue[1]; |
---|
623 | compressInt16Value(curValue, minValue, byteSize, bytes); |
---|
624 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
625 | } |
---|
626 | |
---|
627 | /* Process Row-0 data 2 --> data r3-1 */ |
---|
628 | for (j = 2; j < r3; j++) |
---|
629 | { |
---|
630 | pred1D = 2*P1[j-1] - P1[j-2]; |
---|
631 | diff = spaceFillingValue[j] - pred1D; |
---|
632 | |
---|
633 | itvNum = llabs(diff)/realPrecision + 1; |
---|
634 | |
---|
635 | if (itvNum < exe_params->intvCapacity) |
---|
636 | { |
---|
637 | if (diff < 0) itvNum = -itvNum; |
---|
638 | type[j] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
639 | tmp = pred1D + 2 * (type[j] - exe_params->intvRadius) * realPrecision; |
---|
640 | if(tmp >= SZ_INT16_MIN&&tmp<SZ_INT16_MAX) |
---|
641 | P1[j] = tmp; |
---|
642 | else if(tmp < SZ_INT16_MIN) |
---|
643 | P1[j] = SZ_INT16_MIN; |
---|
644 | else |
---|
645 | P1[j] = SZ_INT16_MAX; |
---|
646 | } |
---|
647 | else |
---|
648 | { |
---|
649 | type[j] = 0; |
---|
650 | curValue = P1[j] = spaceFillingValue[j]; |
---|
651 | compressInt16Value(curValue, minValue, byteSize, bytes); |
---|
652 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
653 | } |
---|
654 | } |
---|
655 | |
---|
656 | /* Process Row-1 --> Row-r2-1 */ |
---|
657 | size_t index; |
---|
658 | for (i = 1; i < r2; i++) |
---|
659 | { |
---|
660 | /* Process row-i data 0 */ |
---|
661 | index = i*r3; |
---|
662 | pred1D = P1[index-r3]; |
---|
663 | diff = spaceFillingValue[index] - pred1D; |
---|
664 | |
---|
665 | itvNum = llabs(diff)/realPrecision + 1; |
---|
666 | |
---|
667 | if (itvNum < exe_params->intvCapacity) |
---|
668 | { |
---|
669 | if (diff < 0) itvNum = -itvNum; |
---|
670 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
671 | tmp = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
672 | if(tmp >= SZ_INT16_MIN&&tmp<SZ_INT16_MAX) |
---|
673 | P1[index] = tmp; |
---|
674 | else if(tmp < SZ_INT16_MIN) |
---|
675 | P1[index] = SZ_INT16_MIN; |
---|
676 | else |
---|
677 | P1[index] = SZ_INT16_MAX; |
---|
678 | } |
---|
679 | else |
---|
680 | { |
---|
681 | type[index] = 0; |
---|
682 | curValue = P1[index] = spaceFillingValue[index]; |
---|
683 | compressInt16Value(curValue, minValue, byteSize, bytes); |
---|
684 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
685 | } |
---|
686 | |
---|
687 | /* Process row-i data 1 --> data r3-1*/ |
---|
688 | for (j = 1; j < r3; j++) |
---|
689 | { |
---|
690 | index = i*r3+j; |
---|
691 | pred2D = P1[index-1] + P1[index-r3] - P1[index-r3-1]; |
---|
692 | |
---|
693 | diff = spaceFillingValue[index] - pred2D; |
---|
694 | |
---|
695 | itvNum = llabs(diff)/realPrecision + 1; |
---|
696 | |
---|
697 | if (itvNum < exe_params->intvCapacity) |
---|
698 | { |
---|
699 | if (diff < 0) itvNum = -itvNum; |
---|
700 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
701 | tmp = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
702 | if(tmp >= SZ_INT16_MIN&&tmp<SZ_INT16_MAX) |
---|
703 | P1[index] = tmp; |
---|
704 | else if(tmp < SZ_INT16_MIN) |
---|
705 | P1[index] = SZ_INT16_MIN; |
---|
706 | else |
---|
707 | P1[index] = SZ_INT16_MAX; |
---|
708 | } |
---|
709 | else |
---|
710 | { |
---|
711 | type[index] = 0; |
---|
712 | curValue = P1[index] = spaceFillingValue[index]; |
---|
713 | compressInt16Value(curValue, minValue, byteSize, bytes); |
---|
714 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
715 | } |
---|
716 | } |
---|
717 | } |
---|
718 | |
---|
719 | |
---|
720 | /////////////////////////// Process layer-1 --> layer-r1-1 /////////////////////////// |
---|
721 | |
---|
722 | for (k = 1; k < r1; k++) |
---|
723 | { |
---|
724 | /* Process Row-0 data 0*/ |
---|
725 | index = k*r23; |
---|
726 | pred1D = P1[0]; |
---|
727 | diff = spaceFillingValue[index] - pred1D; |
---|
728 | |
---|
729 | itvNum = llabs(diff)/realPrecision + 1; |
---|
730 | |
---|
731 | if (itvNum < exe_params->intvCapacity) |
---|
732 | { |
---|
733 | if (diff < 0) itvNum = -itvNum; |
---|
734 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
735 | tmp = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
736 | if(tmp >= SZ_INT16_MIN&&tmp<SZ_INT16_MAX) |
---|
737 | P0[0] = tmp; |
---|
738 | else if(tmp < SZ_INT16_MIN) |
---|
739 | P0[0] = SZ_INT16_MIN; |
---|
740 | else |
---|
741 | P0[0] = SZ_INT16_MAX; |
---|
742 | } |
---|
743 | else |
---|
744 | { |
---|
745 | type[index] = 0; |
---|
746 | curValue = P0[0] = spaceFillingValue[index]; |
---|
747 | compressInt16Value(curValue, minValue, byteSize, bytes); |
---|
748 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
749 | } |
---|
750 | |
---|
751 | |
---|
752 | /* Process Row-0 data 1 --> data r3-1 */ |
---|
753 | for (j = 1; j < r3; j++) |
---|
754 | { |
---|
755 | //index = k*r2*r3+j; |
---|
756 | index ++; |
---|
757 | pred2D = P0[j-1] + P1[j] - P1[j-1]; |
---|
758 | diff = spaceFillingValue[index] - pred2D; |
---|
759 | |
---|
760 | itvNum = llabs(diff)/realPrecision + 1; |
---|
761 | |
---|
762 | if (itvNum < exe_params->intvCapacity) |
---|
763 | { |
---|
764 | if (diff < 0) itvNum = -itvNum; |
---|
765 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
766 | tmp = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
767 | if(tmp >= SZ_INT16_MIN&&tmp<SZ_INT16_MAX) |
---|
768 | P0[j] = tmp; |
---|
769 | else if(tmp < SZ_INT16_MIN) |
---|
770 | P0[j] = SZ_INT16_MIN; |
---|
771 | else |
---|
772 | P0[j] = SZ_INT16_MAX; |
---|
773 | } |
---|
774 | else |
---|
775 | { |
---|
776 | type[index] = 0; |
---|
777 | curValue = P0[j] = spaceFillingValue[index]; |
---|
778 | compressInt16Value(curValue, minValue, byteSize, bytes); |
---|
779 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
780 | } |
---|
781 | } |
---|
782 | |
---|
783 | /* Process Row-1 --> Row-r2-1 */ |
---|
784 | size_t index2D; |
---|
785 | for (i = 1; i < r2; i++) |
---|
786 | { |
---|
787 | /* Process Row-i data 0 */ |
---|
788 | index = k*r23 + i*r3; |
---|
789 | index2D = i*r3; |
---|
790 | pred2D = P0[index2D-r3] + P1[index2D] - P1[index2D-r3]; |
---|
791 | diff = spaceFillingValue[index] - pred2D; |
---|
792 | |
---|
793 | itvNum = llabs(diff)/realPrecision + 1; |
---|
794 | |
---|
795 | if (itvNum < exe_params->intvCapacity) |
---|
796 | { |
---|
797 | if (diff < 0) itvNum = -itvNum; |
---|
798 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
799 | tmp = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
800 | if(tmp >= SZ_INT16_MIN&&tmp<SZ_INT16_MAX) |
---|
801 | P0[index2D] = tmp; |
---|
802 | else if(tmp < SZ_INT16_MIN) |
---|
803 | P0[index2D] = SZ_INT16_MIN; |
---|
804 | else |
---|
805 | P0[index2D] = SZ_INT16_MAX; |
---|
806 | } |
---|
807 | else |
---|
808 | { |
---|
809 | type[index] = 0; |
---|
810 | curValue = P0[index2D] = spaceFillingValue[index]; |
---|
811 | compressInt16Value(curValue, minValue, byteSize, bytes); |
---|
812 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
813 | } |
---|
814 | |
---|
815 | /* Process Row-i data 1 --> data r3-1 */ |
---|
816 | for (j = 1; j < r3; j++) |
---|
817 | { |
---|
818 | // if(k==63&&i==43&&j==27) |
---|
819 | // printf("i=%d\n", i); |
---|
820 | //index = k*r2*r3 + i*r3 + j; |
---|
821 | index ++; |
---|
822 | index2D = i*r3 + j; |
---|
823 | pred3D = P0[index2D-1] + P0[index2D-r3]+ P1[index2D] - P0[index2D-r3-1] - P1[index2D-r3] - P1[index2D-1] + P1[index2D-r3-1]; |
---|
824 | diff = spaceFillingValue[index] - pred3D; |
---|
825 | |
---|
826 | itvNum = llabs(diff)/realPrecision + 1; |
---|
827 | |
---|
828 | if (itvNum < exe_params->intvCapacity) |
---|
829 | { |
---|
830 | if (diff < 0) itvNum = -itvNum; |
---|
831 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
832 | tmp = pred3D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
833 | if(tmp >= SZ_INT16_MIN&&tmp<SZ_INT16_MAX) |
---|
834 | P0[index2D] = tmp; |
---|
835 | else if(tmp < SZ_INT16_MIN) |
---|
836 | P0[index2D] = SZ_INT16_MIN; |
---|
837 | else |
---|
838 | P0[index2D] = SZ_INT16_MAX; |
---|
839 | } |
---|
840 | else |
---|
841 | { |
---|
842 | type[index] = 0; |
---|
843 | curValue = P0[index2D] = spaceFillingValue[index]; |
---|
844 | compressInt16Value(curValue, minValue, byteSize, bytes); |
---|
845 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
846 | } |
---|
847 | } |
---|
848 | } |
---|
849 | |
---|
850 | int16_t *Pt; |
---|
851 | Pt = P1; |
---|
852 | P1 = P0; |
---|
853 | P0 = Pt; |
---|
854 | } |
---|
855 | if(r23!=1) |
---|
856 | free(P0); |
---|
857 | free(P1); |
---|
858 | |
---|
859 | size_t exactDataNum = exactDataByteArray->size; |
---|
860 | |
---|
861 | TightDataPointStorageI* tdps; |
---|
862 | |
---|
863 | new_TightDataPointStorageI(&tdps, dataLength, exactDataNum, byteSize, |
---|
864 | type, exactDataByteArray->array, exactDataByteArray->size, |
---|
865 | realPrecision, minValue, quantization_intervals, SZ_INT16); |
---|
866 | |
---|
867 | //free memory |
---|
868 | free(type); |
---|
869 | free(exactDataByteArray); //exactDataByteArray->array has been released in free_TightDataPointStorageF(tdps); |
---|
870 | |
---|
871 | return tdps; |
---|
872 | } |
---|
873 | |
---|
874 | |
---|
875 | void SZ_compress_args_int16_NoCkRngeNoGzip_3D(unsigned char** newByteData, int16_t *oriData, size_t r1, size_t r2, size_t r3, double realPrecision, size_t *outSize, |
---|
876 | int64_t valueRangeSize, int64_t minValue) |
---|
877 | { |
---|
878 | TightDataPointStorageI* tdps = SZ_compress_int16_3D_MDQ(oriData, r1, r2, r3, realPrecision, valueRangeSize, minValue); |
---|
879 | |
---|
880 | convertTDPStoFlatBytes_int(tdps, newByteData, outSize); |
---|
881 | |
---|
882 | size_t dataLength = r1*r2*r3; |
---|
883 | if(*outSize>dataLength*sizeof(int16_t)) |
---|
884 | SZ_compress_args_int16_StoreOriData(oriData, dataLength, tdps, newByteData, outSize); |
---|
885 | |
---|
886 | free_TightDataPointStorageI(tdps); |
---|
887 | } |
---|
888 | |
---|
889 | |
---|
890 | TightDataPointStorageI* SZ_compress_int16_4D_MDQ(int16_t *oriData, size_t r1, size_t r2, size_t r3, size_t r4, double realPrecision, int64_t valueRangeSize, int64_t minValue) |
---|
891 | { |
---|
892 | unsigned char bytes[8] = {0,0,0,0,0,0,0,0}; |
---|
893 | int byteSize = computeByteSizePerIntValue(valueRangeSize); |
---|
894 | |
---|
895 | unsigned int quantization_intervals; |
---|
896 | if(exe_params->optQuantMode==1) |
---|
897 | { |
---|
898 | quantization_intervals = optimize_intervals_int16_4D(oriData, r1, r2, r3, r4, realPrecision); |
---|
899 | updateQuantizationInfo(quantization_intervals); |
---|
900 | } |
---|
901 | else |
---|
902 | quantization_intervals = exe_params->intvCapacity; |
---|
903 | size_t i,j,k; |
---|
904 | int64_t pred1D, pred2D, pred3D, curValue, tmp; |
---|
905 | int diff = 0.0; |
---|
906 | double itvNum = 0; |
---|
907 | int16_t *P0, *P1; |
---|
908 | |
---|
909 | size_t dataLength = r1*r2*r3*r4; |
---|
910 | |
---|
911 | size_t r234 = r2*r3*r4; |
---|
912 | size_t r34 = r3*r4; |
---|
913 | |
---|
914 | P0 = (int16_t*)malloc(r34*sizeof(int16_t)); |
---|
915 | P1 = (int16_t*)malloc(r34*sizeof(int16_t)); |
---|
916 | |
---|
917 | int* type = (int*) malloc(dataLength*sizeof(int)); |
---|
918 | |
---|
919 | int16_t* spaceFillingValue = oriData; // |
---|
920 | |
---|
921 | DynamicByteArray *exactDataByteArray; |
---|
922 | new_DBA(&exactDataByteArray, DynArrayInitLen); |
---|
923 | |
---|
924 | size_t l; |
---|
925 | for (l = 0; l < r1; l++) |
---|
926 | { |
---|
927 | |
---|
928 | /////////////////////////// Process layer-0 /////////////////////////// |
---|
929 | /* Process Row-0 data 0*/ |
---|
930 | size_t index = l*r234; |
---|
931 | size_t index2D = 0; |
---|
932 | |
---|
933 | type[index] = 0; |
---|
934 | curValue = P1[index2D] = spaceFillingValue[index]; |
---|
935 | compressInt16Value(curValue, minValue, byteSize, bytes); |
---|
936 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
937 | |
---|
938 | /* Process Row-0 data 1*/ |
---|
939 | index = l*r234+1; |
---|
940 | index2D = 1; |
---|
941 | |
---|
942 | pred1D = P1[index2D-1]; |
---|
943 | diff = curValue - pred1D; |
---|
944 | |
---|
945 | itvNum = llabs(diff)/realPrecision + 1; |
---|
946 | |
---|
947 | if (itvNum < exe_params->intvCapacity) |
---|
948 | { |
---|
949 | if (diff < 0) itvNum = -itvNum; |
---|
950 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
951 | tmp = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
952 | if(tmp >= SZ_INT16_MIN&&tmp<SZ_INT16_MAX) |
---|
953 | P1[index2D] = tmp; |
---|
954 | else if(tmp < SZ_INT16_MIN) |
---|
955 | P1[index2D] = SZ_INT16_MIN; |
---|
956 | else |
---|
957 | P1[index2D] = SZ_INT16_MAX; |
---|
958 | } |
---|
959 | else |
---|
960 | { |
---|
961 | type[index] = 0; |
---|
962 | |
---|
963 | curValue = P1[index2D] = spaceFillingValue[0]; |
---|
964 | compressInt16Value(curValue, minValue, byteSize, bytes); |
---|
965 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
966 | } |
---|
967 | |
---|
968 | /* Process Row-0 data 2 --> data r4-1 */ |
---|
969 | for (j = 2; j < r4; j++) |
---|
970 | { |
---|
971 | index = l*r234+j; |
---|
972 | index2D = j; |
---|
973 | |
---|
974 | pred1D = 2*P1[index2D-1] - P1[index2D-2]; |
---|
975 | diff = spaceFillingValue[index] - pred1D; |
---|
976 | |
---|
977 | itvNum = llabs(diff)/realPrecision + 1; |
---|
978 | |
---|
979 | if (itvNum < exe_params->intvCapacity) |
---|
980 | { |
---|
981 | if (diff < 0) itvNum = -itvNum; |
---|
982 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
983 | tmp = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
984 | if(tmp >= SZ_INT16_MIN&&tmp<SZ_INT16_MAX) |
---|
985 | P1[index2D] = tmp; |
---|
986 | else if(tmp < SZ_INT16_MIN) |
---|
987 | P1[index2D] = SZ_INT16_MIN; |
---|
988 | else |
---|
989 | P1[index2D] = SZ_INT16_MAX; |
---|
990 | } |
---|
991 | else |
---|
992 | { |
---|
993 | type[index] = 0; |
---|
994 | |
---|
995 | curValue = P1[index2D] = spaceFillingValue[0]; |
---|
996 | compressInt16Value(curValue, minValue, byteSize, bytes); |
---|
997 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
998 | } |
---|
999 | } |
---|
1000 | |
---|
1001 | /* Process Row-1 --> Row-r3-1 */ |
---|
1002 | for (i = 1; i < r3; i++) |
---|
1003 | { |
---|
1004 | /* Process row-i data 0 */ |
---|
1005 | index = l*r234+i*r4; |
---|
1006 | index2D = i*r4; |
---|
1007 | |
---|
1008 | pred1D = P1[index2D-r4]; |
---|
1009 | diff = spaceFillingValue[index] - pred1D; |
---|
1010 | |
---|
1011 | itvNum = llabs(diff)/realPrecision + 1; |
---|
1012 | |
---|
1013 | if (itvNum < exe_params->intvCapacity) |
---|
1014 | { |
---|
1015 | if (diff < 0) itvNum = -itvNum; |
---|
1016 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
1017 | tmp = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
1018 | if(tmp >= SZ_INT16_MIN&&tmp<SZ_INT16_MAX) |
---|
1019 | P1[index2D] = tmp; |
---|
1020 | else if(tmp < SZ_INT16_MIN) |
---|
1021 | P1[index2D] = SZ_INT16_MIN; |
---|
1022 | else |
---|
1023 | P1[index2D] = SZ_INT16_MAX; |
---|
1024 | } |
---|
1025 | else |
---|
1026 | { |
---|
1027 | type[index] = 0; |
---|
1028 | |
---|
1029 | curValue = P1[index2D] = spaceFillingValue[0]; |
---|
1030 | compressInt16Value(curValue, minValue, byteSize, bytes); |
---|
1031 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
1032 | } |
---|
1033 | |
---|
1034 | /* Process row-i data 1 --> data r4-1*/ |
---|
1035 | for (j = 1; j < r4; j++) |
---|
1036 | { |
---|
1037 | index = l*r234+i*r4+j; |
---|
1038 | index2D = i*r4+j; |
---|
1039 | |
---|
1040 | pred2D = P1[index2D-1] + P1[index2D-r4] - P1[index2D-r4-1]; |
---|
1041 | |
---|
1042 | diff = spaceFillingValue[index] - pred2D; |
---|
1043 | |
---|
1044 | itvNum = llabs(diff)/realPrecision + 1; |
---|
1045 | |
---|
1046 | if (itvNum < exe_params->intvCapacity) |
---|
1047 | { |
---|
1048 | if (diff < 0) itvNum = -itvNum; |
---|
1049 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
1050 | tmp = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
1051 | if(tmp >= SZ_INT16_MIN&&tmp<SZ_INT16_MAX) |
---|
1052 | P1[index2D] = tmp; |
---|
1053 | else if(tmp < SZ_INT16_MIN) |
---|
1054 | P1[index2D] = SZ_INT16_MIN; |
---|
1055 | else |
---|
1056 | P1[index2D] = SZ_INT16_MAX; |
---|
1057 | } |
---|
1058 | else |
---|
1059 | { |
---|
1060 | type[index] = 0; |
---|
1061 | |
---|
1062 | curValue = P1[index2D] = spaceFillingValue[0]; |
---|
1063 | compressInt16Value(curValue, minValue, byteSize, bytes); |
---|
1064 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
1065 | } |
---|
1066 | } |
---|
1067 | } |
---|
1068 | |
---|
1069 | |
---|
1070 | /////////////////////////// Process layer-1 --> layer-r2-1 /////////////////////////// |
---|
1071 | |
---|
1072 | for (k = 1; k < r2; k++) |
---|
1073 | { |
---|
1074 | /* Process Row-0 data 0*/ |
---|
1075 | index = l*r234+k*r34; |
---|
1076 | index2D = 0; |
---|
1077 | |
---|
1078 | pred1D = P1[index2D]; |
---|
1079 | diff = spaceFillingValue[index] - pred1D; |
---|
1080 | |
---|
1081 | itvNum = llabs(diff)/realPrecision + 1; |
---|
1082 | |
---|
1083 | if (itvNum < exe_params->intvCapacity) |
---|
1084 | { |
---|
1085 | if (diff < 0) itvNum = -itvNum; |
---|
1086 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
1087 | tmp = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
1088 | if(tmp >= SZ_INT16_MIN&&tmp<SZ_INT16_MAX) |
---|
1089 | P0[index2D] = tmp; |
---|
1090 | else if(tmp < SZ_INT16_MIN) |
---|
1091 | P0[index2D] = SZ_INT16_MIN; |
---|
1092 | else |
---|
1093 | P0[index2D] = SZ_INT16_MAX; |
---|
1094 | } |
---|
1095 | else |
---|
1096 | { |
---|
1097 | type[index] = 0; |
---|
1098 | |
---|
1099 | curValue = P0[index2D] = spaceFillingValue[0]; |
---|
1100 | compressInt16Value(curValue, minValue, byteSize, bytes); |
---|
1101 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
1102 | } |
---|
1103 | |
---|
1104 | /* Process Row-0 data 1 --> data r4-1 */ |
---|
1105 | for (j = 1; j < r4; j++) |
---|
1106 | { |
---|
1107 | index = l*r234+k*r34+j; |
---|
1108 | index2D = j; |
---|
1109 | |
---|
1110 | pred2D = P0[index2D-1] + P1[index2D] - P1[index2D-1]; |
---|
1111 | diff = spaceFillingValue[index] - pred2D; |
---|
1112 | |
---|
1113 | itvNum = llabs(diff)/realPrecision + 1; |
---|
1114 | |
---|
1115 | if (itvNum < exe_params->intvCapacity) |
---|
1116 | { |
---|
1117 | if (diff < 0) itvNum = -itvNum; |
---|
1118 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
1119 | tmp = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
1120 | if(tmp >= SZ_INT16_MIN&&tmp<SZ_INT16_MAX) |
---|
1121 | P0[index2D] = tmp; |
---|
1122 | else if(tmp < SZ_INT16_MIN) |
---|
1123 | P0[index2D] = SZ_INT16_MIN; |
---|
1124 | else |
---|
1125 | P0[index2D] = SZ_INT16_MAX; |
---|
1126 | } |
---|
1127 | else |
---|
1128 | { |
---|
1129 | type[index] = 0; |
---|
1130 | |
---|
1131 | curValue = P0[index2D] = spaceFillingValue[0]; |
---|
1132 | compressInt16Value(curValue, minValue, byteSize, bytes); |
---|
1133 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
1134 | } |
---|
1135 | } |
---|
1136 | |
---|
1137 | /* Process Row-1 --> Row-r3-1 */ |
---|
1138 | for (i = 1; i < r3; i++) |
---|
1139 | { |
---|
1140 | /* Process Row-i data 0 */ |
---|
1141 | index = l*r234+k*r34+i*r4; |
---|
1142 | index2D = i*r4; |
---|
1143 | |
---|
1144 | pred2D = P0[index2D-r4] + P1[index2D] - P1[index2D-r4]; |
---|
1145 | diff = spaceFillingValue[index] - pred2D; |
---|
1146 | |
---|
1147 | itvNum = llabs(diff)/realPrecision + 1; |
---|
1148 | |
---|
1149 | if (itvNum < exe_params->intvCapacity) |
---|
1150 | { |
---|
1151 | if (diff < 0) itvNum = -itvNum; |
---|
1152 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
1153 | tmp = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
1154 | if(tmp >= SZ_INT16_MIN&&tmp<SZ_INT16_MAX) |
---|
1155 | P0[index2D] = tmp; |
---|
1156 | else if(tmp < SZ_INT16_MIN) |
---|
1157 | P0[index2D] = SZ_INT16_MIN; |
---|
1158 | else |
---|
1159 | P0[index2D] = SZ_INT16_MAX; |
---|
1160 | } |
---|
1161 | else |
---|
1162 | { |
---|
1163 | type[index] = 0; |
---|
1164 | |
---|
1165 | curValue = P0[index2D] = spaceFillingValue[0]; |
---|
1166 | compressInt16Value(curValue, minValue, byteSize, bytes); |
---|
1167 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
1168 | } |
---|
1169 | |
---|
1170 | /* Process Row-i data 1 --> data r4-1 */ |
---|
1171 | for (j = 1; j < r4; j++) |
---|
1172 | { |
---|
1173 | index = l*r234+k*r34+i*r4+j; |
---|
1174 | index2D = i*r4+j; |
---|
1175 | |
---|
1176 | pred3D = P0[index2D-1] + P0[index2D-r4]+ P1[index2D] - P0[index2D-r4-1] - P1[index2D-r4] - P1[index2D-1] + P1[index2D-r4-1]; |
---|
1177 | diff = spaceFillingValue[index] - pred3D; |
---|
1178 | |
---|
1179 | |
---|
1180 | itvNum = llabs(diff)/realPrecision + 1; |
---|
1181 | |
---|
1182 | if (itvNum < exe_params->intvCapacity) |
---|
1183 | { |
---|
1184 | if (diff < 0) itvNum = -itvNum; |
---|
1185 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
1186 | tmp = pred3D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
1187 | if(tmp >= SZ_INT16_MIN&&tmp<SZ_INT16_MAX) |
---|
1188 | P0[index2D] = tmp; |
---|
1189 | else if(tmp < SZ_INT16_MIN) |
---|
1190 | P0[index2D] = SZ_INT16_MIN; |
---|
1191 | else |
---|
1192 | P0[index2D] = SZ_INT16_MAX; |
---|
1193 | } |
---|
1194 | else |
---|
1195 | { |
---|
1196 | type[index] = 0; |
---|
1197 | |
---|
1198 | curValue = P0[index2D] = spaceFillingValue[0]; |
---|
1199 | compressInt16Value(curValue, minValue, byteSize, bytes); |
---|
1200 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
1201 | } |
---|
1202 | } |
---|
1203 | } |
---|
1204 | |
---|
1205 | int16_t *Pt; |
---|
1206 | Pt = P1; |
---|
1207 | P1 = P0; |
---|
1208 | P0 = Pt; |
---|
1209 | } |
---|
1210 | } |
---|
1211 | |
---|
1212 | free(P0); |
---|
1213 | free(P1); |
---|
1214 | |
---|
1215 | size_t exactDataNum = exactDataByteArray->size; |
---|
1216 | |
---|
1217 | TightDataPointStorageI* tdps; |
---|
1218 | |
---|
1219 | new_TightDataPointStorageI(&tdps, dataLength, exactDataNum, byteSize, |
---|
1220 | type, exactDataByteArray->array, exactDataByteArray->size, |
---|
1221 | realPrecision, minValue, quantization_intervals, SZ_INT16); |
---|
1222 | |
---|
1223 | //free memory |
---|
1224 | free(type); |
---|
1225 | free(exactDataByteArray); //exactDataByteArray->array has been released in free_TightDataPointStorageF(tdps); |
---|
1226 | |
---|
1227 | return tdps; |
---|
1228 | } |
---|
1229 | |
---|
1230 | void SZ_compress_args_int16_NoCkRngeNoGzip_4D(unsigned char** newByteData, int16_t *oriData, size_t r1, size_t r2, size_t r3, size_t r4, double realPrecision, |
---|
1231 | size_t *outSize, int64_t valueRangeSize, int64_t minValue) |
---|
1232 | { |
---|
1233 | TightDataPointStorageI* tdps = SZ_compress_int16_4D_MDQ(oriData, r1, r2, r3, r4, realPrecision, valueRangeSize, minValue); |
---|
1234 | |
---|
1235 | convertTDPStoFlatBytes_int(tdps, newByteData, outSize); |
---|
1236 | |
---|
1237 | size_t dataLength = r1*r2*r3*r4; |
---|
1238 | if(*outSize>dataLength*sizeof(int16_t)) |
---|
1239 | SZ_compress_args_int16_StoreOriData(oriData, dataLength, tdps, newByteData, outSize); |
---|
1240 | |
---|
1241 | free_TightDataPointStorageI(tdps); |
---|
1242 | } |
---|
1243 | |
---|
1244 | void SZ_compress_args_int16_withinRange(unsigned char** newByteData, int16_t *oriData, size_t dataLength, size_t *outSize) |
---|
1245 | { |
---|
1246 | TightDataPointStorageI* tdps = (TightDataPointStorageI*) malloc(sizeof(TightDataPointStorageI)); |
---|
1247 | tdps->typeArray = NULL; |
---|
1248 | |
---|
1249 | tdps->allSameData = 1; |
---|
1250 | tdps->dataSeriesLength = dataLength; |
---|
1251 | tdps->exactDataBytes = (unsigned char*)malloc(sizeof(unsigned char)*2); |
---|
1252 | tdps->isLossless = 0; |
---|
1253 | //tdps->exactByteSize = 4; |
---|
1254 | tdps->exactDataNum = 1; |
---|
1255 | tdps->exactDataBytes_size = 2; |
---|
1256 | |
---|
1257 | int16_t value = oriData[0]; |
---|
1258 | int16ToBytes_bigEndian(tdps->exactDataBytes, value); |
---|
1259 | |
---|
1260 | size_t tmpOutSize; |
---|
1261 | convertTDPStoFlatBytes_int(tdps, newByteData, &tmpOutSize); |
---|
1262 | |
---|
1263 | *outSize = tmpOutSize;//3+1+sizeof(int16_t)+SZ_SIZE_TYPE; //8==3+1+4(int16_size) |
---|
1264 | free_TightDataPointStorageI(tdps); |
---|
1265 | } |
---|
1266 | |
---|
1267 | int SZ_compress_args_int16_wRngeNoGzip(unsigned char** newByteData, int16_t *oriData, |
---|
1268 | size_t r5, size_t r4, size_t r3, size_t r2, size_t r1, size_t *outSize, |
---|
1269 | int errBoundMode, double absErr_Bound, double relBoundRatio) |
---|
1270 | { |
---|
1271 | int status = SZ_SCES; |
---|
1272 | size_t dataLength = computeDataLength(r5,r4,r3,r2,r1); |
---|
1273 | int64_t valueRangeSize = 0; |
---|
1274 | |
---|
1275 | int16_t minValue = computeRangeSize_int(oriData, SZ_INT16, dataLength, &valueRangeSize); |
---|
1276 | double realPrecision = getRealPrecision_int(valueRangeSize, errBoundMode, absErr_Bound, relBoundRatio, &status); |
---|
1277 | |
---|
1278 | if(valueRangeSize <= realPrecision) |
---|
1279 | { |
---|
1280 | SZ_compress_args_int16_withinRange(newByteData, oriData, dataLength, outSize); |
---|
1281 | } |
---|
1282 | else |
---|
1283 | { |
---|
1284 | // SZ_compress_args_int16_NoCkRngeNoGzip_2D(newByteData, oriData, r2, r1, realPrecision, outSize); |
---|
1285 | if(r5==0&&r4==0&&r3==0&&r2==0) |
---|
1286 | { |
---|
1287 | SZ_compress_args_int16_NoCkRngeNoGzip_1D(newByteData, oriData, r1, realPrecision, outSize, valueRangeSize, minValue); |
---|
1288 | } |
---|
1289 | else if(r5==0&&r4==0&&r3==0) |
---|
1290 | { |
---|
1291 | SZ_compress_args_int16_NoCkRngeNoGzip_2D(newByteData, oriData, r2, r1, realPrecision, outSize, valueRangeSize, minValue); |
---|
1292 | } |
---|
1293 | else if(r5==0&&r4==0) |
---|
1294 | { |
---|
1295 | SZ_compress_args_int16_NoCkRngeNoGzip_3D(newByteData, oriData, r3, r2, r1, realPrecision, outSize, valueRangeSize, minValue); |
---|
1296 | } |
---|
1297 | else if(r5==0) |
---|
1298 | { |
---|
1299 | SZ_compress_args_int16_NoCkRngeNoGzip_3D(newByteData, oriData, r4*r3, r2, r1, realPrecision, outSize, valueRangeSize, minValue); |
---|
1300 | } |
---|
1301 | } |
---|
1302 | return status; |
---|
1303 | } |
---|
1304 | |
---|
1305 | int SZ_compress_args_int16(unsigned char** newByteData, int16_t *oriData, |
---|
1306 | size_t r5, size_t r4, size_t r3, size_t r2, size_t r1, size_t *outSize, |
---|
1307 | int errBoundMode, double absErr_Bound, double relBoundRatio) |
---|
1308 | { |
---|
1309 | confparams_cpr->errorBoundMode = errBoundMode; |
---|
1310 | |
---|
1311 | if(errBoundMode>=PW_REL) |
---|
1312 | { |
---|
1313 | printf("Error: Current SZ version doesn't support integer data compression with point-wise relative error bound being based on pwrType=AVG\n"); |
---|
1314 | exit(0); |
---|
1315 | return SZ_NSCS; |
---|
1316 | } |
---|
1317 | int status = SZ_SCES; |
---|
1318 | size_t dataLength = computeDataLength(r5,r4,r3,r2,r1); |
---|
1319 | int64_t valueRangeSize = 0; |
---|
1320 | |
---|
1321 | int16_t minValue = (int16_t)computeRangeSize_int(oriData, SZ_INT16, dataLength, &valueRangeSize); |
---|
1322 | double realPrecision = 0; |
---|
1323 | |
---|
1324 | if(confparams_cpr->errorBoundMode==PSNR) |
---|
1325 | { |
---|
1326 | confparams_cpr->errorBoundMode = ABS; |
---|
1327 | realPrecision = confparams_cpr->absErrBound = computeABSErrBoundFromPSNR(confparams_cpr->psnr, (double)confparams_cpr->predThreshold, (double)valueRangeSize); |
---|
1328 | //printf("realPrecision=%lf\n", realPrecision); |
---|
1329 | } |
---|
1330 | else |
---|
1331 | realPrecision = getRealPrecision_int(valueRangeSize, errBoundMode, absErr_Bound, relBoundRatio, &status); |
---|
1332 | |
---|
1333 | if(valueRangeSize <= realPrecision) |
---|
1334 | { |
---|
1335 | SZ_compress_args_int16_withinRange(newByteData, oriData, dataLength, outSize); |
---|
1336 | } |
---|
1337 | else |
---|
1338 | { |
---|
1339 | size_t tmpOutSize = 0; |
---|
1340 | unsigned char* tmpByteData; |
---|
1341 | if (r2==0) |
---|
1342 | { |
---|
1343 | SZ_compress_args_int16_NoCkRngeNoGzip_1D(&tmpByteData, oriData, r1, realPrecision, &tmpOutSize, valueRangeSize, minValue); |
---|
1344 | } |
---|
1345 | else |
---|
1346 | if (r3==0) |
---|
1347 | { |
---|
1348 | SZ_compress_args_int16_NoCkRngeNoGzip_2D(&tmpByteData, oriData, r2, r1, realPrecision, &tmpOutSize, valueRangeSize, minValue); |
---|
1349 | } |
---|
1350 | else |
---|
1351 | if (r4==0) |
---|
1352 | { |
---|
1353 | SZ_compress_args_int16_NoCkRngeNoGzip_3D(&tmpByteData, oriData, r3, r2, r1, realPrecision, &tmpOutSize, valueRangeSize, minValue); |
---|
1354 | } |
---|
1355 | else |
---|
1356 | if (r5==0) |
---|
1357 | { |
---|
1358 | SZ_compress_args_int16_NoCkRngeNoGzip_4D(&tmpByteData, oriData, r4, r3, r2, r1, realPrecision, &tmpOutSize, valueRangeSize, minValue); |
---|
1359 | } |
---|
1360 | else |
---|
1361 | { |
---|
1362 | printf("Error: doesn't support 5 dimensions for now.\n"); |
---|
1363 | status = SZ_DERR; //dimension error |
---|
1364 | } |
---|
1365 | //Call Gzip to do the further compression. |
---|
1366 | if(confparams_cpr->szMode==SZ_BEST_SPEED) |
---|
1367 | { |
---|
1368 | *outSize = tmpOutSize; |
---|
1369 | *newByteData = tmpByteData; |
---|
1370 | } |
---|
1371 | else if(confparams_cpr->szMode==SZ_BEST_COMPRESSION || confparams_cpr->szMode==SZ_DEFAULT_COMPRESSION) |
---|
1372 | { |
---|
1373 | *outSize = sz_lossless_compress(confparams_cpr->losslessCompressor, confparams_cpr->gzipMode, tmpByteData, tmpOutSize, newByteData); |
---|
1374 | free(tmpByteData); |
---|
1375 | } |
---|
1376 | else |
---|
1377 | { |
---|
1378 | printf("Error: Wrong setting of confparams_cpr->szMode in the int16_t compression.\n"); |
---|
1379 | status = SZ_MERR; //mode error |
---|
1380 | } |
---|
1381 | } |
---|
1382 | |
---|
1383 | return status; |
---|
1384 | } |
---|