1 | /** |
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2 | * @file sz_uint64.c |
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3 | * @author Sheng Di |
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4 | * @date Aug, 2017 |
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5 | * @brief sz_uint64, 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_uint64.h" |
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24 | |
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25 | unsigned int optimize_intervals_uint64_1D(uint64_t *oriData, size_t dataLength, double realPrecision) |
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26 | { |
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27 | size_t i = 0, radiusIndex; |
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28 | int64_t pred_value = 0, pred_err; |
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29 | size_t *intervals = (size_t*)malloc(confparams_cpr->maxRangeRadius*sizeof(size_t)); |
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30 | memset(intervals, 0, confparams_cpr->maxRangeRadius*sizeof(size_t)); |
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31 | size_t totalSampleSize = dataLength/confparams_cpr->sampleDistance; |
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32 | for(i=2;i<dataLength;i++) |
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33 | { |
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34 | if(i%confparams_cpr->sampleDistance==0) |
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35 | { |
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36 | //pred_value = 2*oriData[i-1] - oriData[i-2]; |
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37 | pred_value = oriData[i-1]; |
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38 | pred_err = llabs(pred_value - (int64_t)(oriData[i])); |
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39 | radiusIndex = (uint64_t)((pred_err/realPrecision+1)/2); |
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40 | if(radiusIndex>=confparams_cpr->maxRangeRadius) |
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41 | radiusIndex = confparams_cpr->maxRangeRadius - 1; |
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42 | intervals[radiusIndex]++; |
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43 | } |
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44 | } |
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45 | //compute the appropriate number |
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46 | size_t targetCount = totalSampleSize*confparams_cpr->predThreshold; |
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47 | size_t sum = 0; |
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48 | for(i=0;i<confparams_cpr->maxRangeRadius;i++) |
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49 | { |
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50 | sum += intervals[i]; |
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51 | if(sum>targetCount) |
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52 | break; |
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53 | } |
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54 | if(i>=confparams_cpr->maxRangeRadius) |
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55 | i = confparams_cpr->maxRangeRadius-1; |
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56 | |
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57 | unsigned int accIntervals = 2*(i+1); |
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58 | unsigned int powerOf2 = roundUpToPowerOf2(accIntervals); |
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59 | |
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60 | if(powerOf2<32) |
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61 | powerOf2 = 32; |
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62 | |
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63 | free(intervals); |
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64 | //printf("accIntervals=%d, powerOf2=%d\n", accIntervals, powerOf2); |
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65 | return powerOf2; |
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66 | } |
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67 | |
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68 | unsigned int optimize_intervals_uint64_2D(uint64_t *oriData, size_t r1, size_t r2, double realPrecision) |
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69 | { |
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70 | size_t i,j, index; |
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71 | size_t radiusIndex; |
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72 | int64_t pred_value = 0, pred_err; |
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73 | size_t *intervals = (size_t*)malloc(confparams_cpr->maxRangeRadius*sizeof(size_t)); |
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74 | memset(intervals, 0, confparams_cpr->maxRangeRadius*sizeof(size_t)); |
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75 | size_t totalSampleSize = (r1-1)*(r2-1)/confparams_cpr->sampleDistance; |
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76 | for(i=1;i<r1;i++) |
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77 | { |
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78 | for(j=1;j<r2;j++) |
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79 | { |
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80 | if((i+j)%confparams_cpr->sampleDistance==0) |
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81 | { |
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82 | index = i*r2+j; |
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83 | pred_value = oriData[index-1] + oriData[index-r2] - oriData[index-r2-1]; |
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84 | pred_err = llabs(pred_value - (int64_t)(oriData[index])); |
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85 | radiusIndex = (uint64_t)((pred_err/realPrecision+1)/2); |
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86 | if(radiusIndex>=confparams_cpr->maxRangeRadius) |
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87 | radiusIndex = confparams_cpr->maxRangeRadius - 1; |
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88 | intervals[radiusIndex]++; |
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89 | } |
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90 | } |
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91 | } |
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92 | //compute the appropriate number |
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93 | size_t targetCount = totalSampleSize*confparams_cpr->predThreshold; |
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94 | size_t sum = 0; |
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95 | for(i=0;i<confparams_cpr->maxRangeRadius;i++) |
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96 | { |
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97 | sum += intervals[i]; |
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98 | if(sum>targetCount) |
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99 | break; |
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100 | } |
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101 | if(i>=confparams_cpr->maxRangeRadius) |
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102 | i = confparams_cpr->maxRangeRadius-1; |
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103 | unsigned int accIntervals = 2*(i+1); |
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104 | unsigned int powerOf2 = roundUpToPowerOf2(accIntervals); |
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105 | |
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106 | if(powerOf2<32) |
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107 | powerOf2 = 32; |
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108 | |
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109 | free(intervals); |
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110 | //printf("confparams_cpr->maxRangeRadius = %d, accIntervals=%d, powerOf2=%d\n", confparams_cpr->maxRangeRadius, accIntervals, powerOf2); |
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111 | return powerOf2; |
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112 | } |
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113 | |
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114 | unsigned int optimize_intervals_uint64_3D(uint64_t *oriData, size_t r1, size_t r2, size_t r3, double realPrecision) |
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115 | { |
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116 | size_t i,j,k, index; |
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117 | size_t radiusIndex; |
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118 | size_t r23=r2*r3; |
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119 | int64_t pred_value = 0, pred_err; |
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120 | size_t *intervals = (size_t*)malloc(confparams_cpr->maxRangeRadius*sizeof(size_t)); |
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121 | memset(intervals, 0, confparams_cpr->maxRangeRadius*sizeof(size_t)); |
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122 | size_t totalSampleSize = (r1-1)*(r2-1)*(r3-1)/confparams_cpr->sampleDistance; |
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123 | for(i=1;i<r1;i++) |
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124 | { |
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125 | for(j=1;j<r2;j++) |
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126 | { |
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127 | for(k=1;k<r3;k++) |
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128 | { |
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129 | if((i+j+k)%confparams_cpr->sampleDistance==0) |
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130 | { |
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131 | index = i*r23+j*r3+k; |
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132 | pred_value = oriData[index-1] + oriData[index-r3] + oriData[index-r23] |
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133 | - oriData[index-1-r23] - oriData[index-r3-1] - oriData[index-r3-r23] + oriData[index-r3-r23-1]; |
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134 | pred_err = llabs(pred_value - (int64_t)(oriData[index])); |
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135 | radiusIndex = (pred_err/realPrecision+1)/2; |
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136 | if(radiusIndex>=confparams_cpr->maxRangeRadius) |
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137 | { |
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138 | radiusIndex = confparams_cpr->maxRangeRadius - 1; |
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139 | //printf("radiusIndex=%d\n", radiusIndex); |
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140 | } |
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141 | intervals[radiusIndex]++; |
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142 | } |
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143 | } |
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144 | } |
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145 | } |
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146 | //compute the appropriate number |
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147 | size_t targetCount = totalSampleSize*confparams_cpr->predThreshold; |
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148 | size_t sum = 0; |
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149 | for(i=0;i<confparams_cpr->maxRangeRadius;i++) |
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150 | { |
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151 | sum += intervals[i]; |
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152 | if(sum>targetCount) |
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153 | break; |
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154 | } |
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155 | if(i>=confparams_cpr->maxRangeRadius) |
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156 | i = confparams_cpr->maxRangeRadius-1; |
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157 | unsigned int accIntervals = 2*(i+1); |
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158 | unsigned int powerOf2 = roundUpToPowerOf2(accIntervals); |
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159 | |
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160 | if(powerOf2<32) |
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161 | powerOf2 = 32; |
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162 | |
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163 | free(intervals); |
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164 | //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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165 | return powerOf2; |
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166 | } |
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167 | |
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168 | |
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169 | unsigned int optimize_intervals_uint64_4D(uint64_t *oriData, size_t r1, size_t r2, size_t r3, size_t r4, double realPrecision) |
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170 | { |
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171 | size_t i,j,k,l, index; |
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172 | size_t radiusIndex; |
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173 | size_t r234=r2*r3*r4; |
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174 | size_t r34=r3*r4; |
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175 | int64_t pred_value = 0, pred_err; |
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176 | size_t *intervals = (size_t*)malloc(confparams_cpr->maxRangeRadius*sizeof(size_t)); |
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177 | memset(intervals, 0, confparams_cpr->maxRangeRadius*sizeof(size_t)); |
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178 | size_t totalSampleSize = (r1-1)*(r2-1)*(r3-1)*(r4-1)/confparams_cpr->sampleDistance; |
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179 | for(i=1;i<r1;i++) |
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180 | { |
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181 | for(j=1;j<r2;j++) |
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182 | { |
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183 | for(k=1;k<r3;k++) |
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184 | { |
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185 | for (l=1;l<r4;l++) |
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186 | { |
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187 | if((i+j+k+l)%confparams_cpr->sampleDistance==0) |
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188 | { |
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189 | index = i*r234+j*r34+k*r4+l; |
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190 | pred_value = oriData[index-1] + oriData[index-r3] + oriData[index-r34] |
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191 | - oriData[index-1-r34] - oriData[index-r4-1] - oriData[index-r4-r34] + oriData[index-r4-r34-1]; |
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192 | pred_err = llabs(pred_value - (int64_t)(oriData[index])); |
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193 | radiusIndex = (uint64_t)((pred_err/realPrecision+1)/2); |
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194 | if(radiusIndex>=confparams_cpr->maxRangeRadius) |
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195 | radiusIndex = confparams_cpr->maxRangeRadius - 1; |
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196 | intervals[radiusIndex]++; |
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197 | } |
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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 | //compute the appropriate number |
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203 | size_t targetCount = totalSampleSize*confparams_cpr->predThreshold; |
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204 | size_t sum = 0; |
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205 | for(i=0;i<confparams_cpr->maxRangeRadius;i++) |
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206 | { |
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207 | sum += intervals[i]; |
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208 | if(sum>targetCount) |
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209 | break; |
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210 | } |
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211 | if(i>=confparams_cpr->maxRangeRadius) |
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212 | i = confparams_cpr->maxRangeRadius-1; |
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213 | |
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214 | unsigned int accIntervals = 2*(i+1); |
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215 | unsigned int powerOf2 = roundUpToPowerOf2(accIntervals); |
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216 | |
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217 | if(powerOf2<32) |
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218 | powerOf2 = 32; |
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219 | |
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220 | free(intervals); |
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221 | return powerOf2; |
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222 | } |
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223 | |
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224 | TightDataPointStorageI* SZ_compress_uint64_1D_MDQ(uint64_t *oriData, size_t dataLength, double realPrecision, uint64_t valueRangeSize, uint64_t minValue) |
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225 | { |
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226 | unsigned char bytes[8] = {0,0,0,0,0,0,0,0}; |
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227 | int byteSize = computeByteSizePerIntValue(valueRangeSize); |
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228 | unsigned int quantization_intervals; |
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229 | if(exe_params->optQuantMode==1) |
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230 | quantization_intervals = optimize_intervals_uint64_1D(oriData, dataLength, realPrecision); |
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231 | else |
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232 | quantization_intervals = exe_params->intvCapacity; |
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233 | updateQuantizationInfo(quantization_intervals); |
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234 | size_t i; |
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235 | |
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236 | int* type = (int*) malloc(dataLength*sizeof(int)); |
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237 | |
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238 | uint64_t* spaceFillingValue = oriData; // |
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239 | |
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240 | DynamicByteArray *exactDataByteArray; |
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241 | new_DBA(&exactDataByteArray, DynArrayInitLen); |
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242 | |
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243 | int64_t last3CmprsData[3] = {0,0,0}; |
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244 | |
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245 | //add the first data |
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246 | type[0] = 0; |
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247 | compressUInt64Value(spaceFillingValue[0], minValue, byteSize, bytes); |
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248 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
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249 | listAdd_int(last3CmprsData, spaceFillingValue[0]); |
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250 | |
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251 | type[1] = 0; |
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252 | compressUInt64Value(spaceFillingValue[1], minValue, byteSize, bytes); |
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253 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
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254 | listAdd_int(last3CmprsData, spaceFillingValue[1]); |
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255 | //printf("%.30G\n",last3CmprsData[0]); |
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256 | |
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257 | int state; |
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258 | double checkRadius = (exe_params->intvCapacity-1)*realPrecision; |
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259 | int64_t curData; |
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260 | int64_t pred, predAbsErr; |
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261 | double interval = 2*realPrecision; |
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262 | |
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263 | for(i=2;i<dataLength;i++) |
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264 | { |
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265 | // if(i==2869438) |
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266 | // printf("i=%d\n", i); |
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267 | curData = spaceFillingValue[i]; |
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268 | //pred = 2*last3CmprsData[0] - last3CmprsData[1]; |
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269 | pred = last3CmprsData[0]; |
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270 | predAbsErr = llabs(curData - pred); |
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271 | if(predAbsErr<=checkRadius) |
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272 | { |
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273 | state = (predAbsErr/realPrecision+1)/2; |
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274 | if(curData>=pred) |
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275 | { |
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276 | type[i] = exe_params->intvRadius+state; |
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277 | pred = pred + state*interval; |
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278 | } |
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279 | else //curData<pred |
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280 | { |
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281 | type[i] = exe_params->intvRadius-state; |
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282 | pred = pred - state*interval; |
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283 | } |
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284 | /* if(type[i]==0) |
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285 | printf("err:type[%d]=0\n", i);*/ |
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286 | listAdd_int(last3CmprsData, pred); |
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287 | continue; |
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288 | } |
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289 | |
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290 | //unpredictable data processing |
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291 | type[i] = 0; |
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292 | compressUInt64Value(curData, minValue, byteSize, bytes); |
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293 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
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294 | listAdd_int(last3CmprsData, curData); |
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295 | }//end of for |
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296 | |
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297 | size_t exactDataNum = exactDataByteArray->size / byteSize; |
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298 | |
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299 | TightDataPointStorageI* tdps; |
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300 | |
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301 | new_TightDataPointStorageI(&tdps, dataLength, exactDataNum, byteSize, |
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302 | type, exactDataByteArray->array, exactDataByteArray->size, |
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303 | realPrecision, minValue, quantization_intervals, SZ_UINT64); |
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304 | |
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305 | //sdi:Debug |
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306 | /* int sum =0; |
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307 | for(i=0;i<dataLength;i++) |
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308 | if(type[i]==0) sum++; |
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309 | printf("opt_quantizations=%d, exactDataNum=%d, sum=%d\n",quantization_intervals, exactDataNum, sum);*/ |
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310 | |
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311 | //free memory |
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312 | free(type); |
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313 | free(exactDataByteArray); //exactDataByteArray->array has been released in free_TightDataPointStorageF(tdps); |
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314 | |
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315 | return tdps; |
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316 | } |
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317 | |
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318 | void SZ_compress_args_uint64_StoreOriData(uint64_t* oriData, size_t dataLength, TightDataPointStorageI* tdps, |
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319 | unsigned char** newByteData, size_t *outSize) |
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320 | { |
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321 | int intSize=sizeof(uint64_t); |
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322 | size_t k = 0, i; |
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323 | tdps->isLossless = 1; |
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324 | size_t totalByteLength = 3 + MetaDataByteLength + exe_params->SZ_SIZE_TYPE + 1 + intSize*dataLength; |
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325 | *newByteData = (unsigned char*)malloc(totalByteLength); |
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326 | |
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327 | unsigned char dsLengthBytes[8]; |
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328 | for (i = 0; i < 3; i++)//3 |
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329 | (*newByteData)[k++] = versionNumber[i]; |
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330 | |
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331 | if(exe_params->SZ_SIZE_TYPE==4)//1 |
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332 | (*newByteData)[k++] = 16; //00010000 |
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333 | else |
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334 | (*newByteData)[k++] = 80; //01010000: 01000000 indicates the SZ_SIZE_TYPE=8 |
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335 | |
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336 | convertSZParamsToBytes(confparams_cpr, &((*newByteData)[k])); |
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337 | k = k + MetaDataByteLength; |
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338 | |
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339 | sizeToBytes(dsLengthBytes,dataLength); //SZ_SIZE_TYPE: 4 or 8 |
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340 | for (i = 0; i < exe_params->SZ_SIZE_TYPE; i++) |
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341 | (*newByteData)[k++] = dsLengthBytes[i]; |
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342 | |
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343 | if(sysEndianType==BIG_ENDIAN_SYSTEM) |
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344 | memcpy((*newByteData)+4+MetaDataByteLength+exe_params->SZ_SIZE_TYPE, oriData, dataLength*intSize); |
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345 | else |
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346 | { |
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347 | unsigned char* p = (*newByteData)+4+MetaDataByteLength+exe_params->SZ_SIZE_TYPE; |
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348 | for(i=0;i<dataLength;i++,p+=intSize) |
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349 | int64ToBytes_bigEndian(p, oriData[i]); |
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350 | } |
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351 | *outSize = totalByteLength; |
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352 | } |
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353 | |
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354 | void SZ_compress_args_uint64_NoCkRngeNoGzip_1D(unsigned char** newByteData, uint64_t *oriData, |
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355 | size_t dataLength, double realPrecision, size_t *outSize, uint64_t valueRangeSize, uint64_t minValue) |
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356 | { |
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357 | TightDataPointStorageI* tdps = SZ_compress_uint64_1D_MDQ(oriData, dataLength, realPrecision, valueRangeSize, minValue); |
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358 | //TODO: return bytes.... |
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359 | convertTDPStoFlatBytes_int(tdps, newByteData, outSize); |
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360 | if(*outSize > dataLength*sizeof(uint64_t)) |
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361 | SZ_compress_args_uint64_StoreOriData(oriData, dataLength+2, tdps, newByteData, outSize); |
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362 | free_TightDataPointStorageI(tdps); |
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363 | } |
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364 | |
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365 | TightDataPointStorageI* SZ_compress_uint64_2D_MDQ(uint64_t *oriData, size_t r1, size_t r2, double realPrecision, uint64_t valueRangeSize, uint64_t minValue) |
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366 | { |
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367 | unsigned char bytes[8] = {0,0,0,0,0,0,0,0}; |
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368 | int byteSize = computeByteSizePerIntValue(valueRangeSize); |
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369 | |
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370 | unsigned int quantization_intervals; |
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371 | if(exe_params->optQuantMode==1) |
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372 | { |
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373 | quantization_intervals = optimize_intervals_uint64_2D(oriData, r1, r2, realPrecision); |
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374 | updateQuantizationInfo(quantization_intervals); |
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375 | } |
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376 | else |
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377 | quantization_intervals = exe_params->intvCapacity; |
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378 | size_t i,j; |
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379 | int64_t pred1D, pred2D, curValue; |
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380 | int64_t diff = 0.0; |
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381 | double itvNum = 0; |
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382 | uint64_t *P0, *P1; |
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383 | |
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384 | size_t dataLength = r1*r2; |
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385 | |
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386 | P0 = (uint64_t*)malloc(r2*sizeof(uint64_t)); |
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387 | memset(P0, 0, r2*sizeof(uint64_t)); |
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388 | P1 = (uint64_t*)malloc(r2*sizeof(uint64_t)); |
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389 | memset(P1, 0, r2*sizeof(uint64_t)); |
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390 | |
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391 | int* type = (int*) malloc(dataLength*sizeof(int)); |
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392 | //type[dataLength]=0; |
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393 | |
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394 | uint64_t* spaceFillingValue = oriData; // |
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395 | |
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396 | DynamicByteArray *exactDataByteArray; |
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397 | new_DBA(&exactDataByteArray, DynArrayInitLen); |
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398 | |
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399 | type[0] = 0; |
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400 | curValue = P1[0] = spaceFillingValue[0]; |
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401 | compressUInt64Value(curValue, minValue, byteSize, bytes); |
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402 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
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403 | |
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404 | /* Process Row-0 data 1*/ |
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405 | pred1D = P1[0]; |
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406 | diff = (int64_t)(spaceFillingValue[1]) - (int64_t)(pred1D); |
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407 | |
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408 | itvNum = llabs(diff)/realPrecision + 1; |
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409 | |
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410 | if (itvNum < exe_params->intvCapacity) |
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411 | { |
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412 | if (diff < 0) itvNum = -itvNum; |
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413 | type[1] = (int) (itvNum/2) + exe_params->intvRadius; |
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414 | P1[1] = pred1D + 2 * (type[1] - exe_params->intvRadius) * realPrecision; |
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415 | } |
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416 | else |
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417 | { |
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418 | type[1] = 0; |
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419 | curValue = P1[1] = spaceFillingValue[1]; |
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420 | compressUInt64Value(curValue, minValue, byteSize, bytes); |
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421 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
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422 | } |
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423 | |
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424 | /* Process Row-0 data 2 --> data r2-1 */ |
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425 | for (j = 2; j < r2; j++) |
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426 | { |
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427 | pred1D = 2*P1[j-1] - P1[j-2]; |
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428 | diff = (int64_t)(spaceFillingValue[j]) - (int64_t)(pred1D); |
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429 | |
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430 | itvNum = llabs(diff)/realPrecision + 1; |
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431 | |
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432 | if (itvNum < exe_params->intvCapacity) |
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433 | { |
---|
434 | if (diff < 0) itvNum = -itvNum; |
---|
435 | type[j] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
436 | P1[j] = pred1D + 2 * (type[j] - exe_params->intvRadius) * realPrecision; |
---|
437 | } |
---|
438 | else |
---|
439 | { |
---|
440 | type[j] = 0; |
---|
441 | curValue = P1[j] = spaceFillingValue[j]; |
---|
442 | compressUInt64Value(curValue, minValue, byteSize, bytes); |
---|
443 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
444 | } |
---|
445 | } |
---|
446 | |
---|
447 | /* Process Row-1 --> Row-r1-1 */ |
---|
448 | size_t index; |
---|
449 | for (i = 1; i < r1; i++) |
---|
450 | { |
---|
451 | /* Process row-i data 0 */ |
---|
452 | index = i*r2; |
---|
453 | pred1D = P1[0]; |
---|
454 | diff = (int64_t)(spaceFillingValue[index]) - (int64_t)(pred1D); |
---|
455 | |
---|
456 | itvNum = llabs(diff)/realPrecision + 1; |
---|
457 | |
---|
458 | if (itvNum < exe_params->intvCapacity) |
---|
459 | { |
---|
460 | if (diff < 0) itvNum = -itvNum; |
---|
461 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
462 | P0[0] = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
463 | } |
---|
464 | else |
---|
465 | { |
---|
466 | type[index] = 0; |
---|
467 | curValue = P0[0] = spaceFillingValue[index]; |
---|
468 | compressUInt64Value(curValue, minValue, byteSize, bytes); |
---|
469 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
470 | } |
---|
471 | |
---|
472 | /* Process row-i data 1 --> r2-1*/ |
---|
473 | for (j = 1; j < r2; j++) |
---|
474 | { |
---|
475 | index = i*r2+j; |
---|
476 | pred2D = P0[j-1] + P1[j] - P1[j-1]; |
---|
477 | |
---|
478 | diff = (int64_t)(spaceFillingValue[index]) - (int64_t)(pred2D); |
---|
479 | |
---|
480 | itvNum = llabs(diff)/realPrecision + 1; |
---|
481 | |
---|
482 | if (itvNum < exe_params->intvCapacity) |
---|
483 | { |
---|
484 | if (diff < 0) itvNum = -itvNum; |
---|
485 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
486 | P0[j] = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
487 | } |
---|
488 | else |
---|
489 | { |
---|
490 | type[index] = 0; |
---|
491 | curValue = P0[j] = spaceFillingValue[index]; |
---|
492 | compressUInt64Value(curValue, minValue, byteSize, bytes); |
---|
493 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
494 | } |
---|
495 | } |
---|
496 | |
---|
497 | uint64_t *Pt; |
---|
498 | Pt = P1; |
---|
499 | P1 = P0; |
---|
500 | P0 = Pt; |
---|
501 | } |
---|
502 | |
---|
503 | if(r2!=1) |
---|
504 | free(P0); |
---|
505 | free(P1); |
---|
506 | |
---|
507 | size_t exactDataNum = exactDataByteArray->size; |
---|
508 | |
---|
509 | TightDataPointStorageI* tdps; |
---|
510 | |
---|
511 | new_TightDataPointStorageI(&tdps, dataLength, exactDataNum, byteSize, |
---|
512 | type, exactDataByteArray->array, exactDataByteArray->size, |
---|
513 | realPrecision, minValue, quantization_intervals, SZ_UINT64); |
---|
514 | |
---|
515 | //free memory |
---|
516 | free(type); |
---|
517 | free(exactDataByteArray); //exactDataByteArray->array has been released in free_TightDataPointStorageF(tdps); |
---|
518 | |
---|
519 | return tdps; |
---|
520 | } |
---|
521 | |
---|
522 | /** |
---|
523 | * |
---|
524 | * Note: @r1 is high dimension |
---|
525 | * @r2 is low dimension |
---|
526 | * */ |
---|
527 | void SZ_compress_args_uint64_NoCkRngeNoGzip_2D(unsigned char** newByteData, uint64_t *oriData, size_t r1, size_t r2, double realPrecision, size_t *outSize, |
---|
528 | int64_t valueRangeSize, uint64_t minValue) |
---|
529 | { |
---|
530 | TightDataPointStorageI* tdps = SZ_compress_uint64_2D_MDQ(oriData, r1, r2, realPrecision, valueRangeSize, minValue); |
---|
531 | |
---|
532 | convertTDPStoFlatBytes_int(tdps, newByteData, outSize); |
---|
533 | |
---|
534 | size_t dataLength = r1*r2; |
---|
535 | if(*outSize>dataLength*sizeof(uint64_t)) |
---|
536 | SZ_compress_args_uint64_StoreOriData(oriData, dataLength, tdps, newByteData, outSize); |
---|
537 | |
---|
538 | free_TightDataPointStorageI(tdps); |
---|
539 | } |
---|
540 | |
---|
541 | TightDataPointStorageI* SZ_compress_uint64_3D_MDQ(uint64_t *oriData, size_t r1, size_t r2, size_t r3, double realPrecision, uint64_t valueRangeSize, uint64_t minValue) |
---|
542 | { |
---|
543 | unsigned char bytes[8] = {0,0,0,0,0,0,0,0}; |
---|
544 | int byteSize = computeByteSizePerIntValue(valueRangeSize); |
---|
545 | |
---|
546 | unsigned int quantization_intervals; |
---|
547 | if(exe_params->optQuantMode==1) |
---|
548 | { |
---|
549 | quantization_intervals = optimize_intervals_uint64_3D(oriData, r1, r2, r3, realPrecision); |
---|
550 | updateQuantizationInfo(quantization_intervals); |
---|
551 | } |
---|
552 | else |
---|
553 | quantization_intervals = exe_params->intvCapacity; |
---|
554 | size_t i,j,k; |
---|
555 | int64_t pred1D, pred2D, pred3D, curValue; |
---|
556 | int64_t diff = 0.0; |
---|
557 | double itvNum = 0; |
---|
558 | uint64_t *P0, *P1; |
---|
559 | |
---|
560 | size_t dataLength = r1*r2*r3; |
---|
561 | |
---|
562 | size_t r23 = r2*r3; |
---|
563 | P0 = (uint64_t*)malloc(r23*sizeof(uint64_t)); |
---|
564 | P1 = (uint64_t*)malloc(r23*sizeof(uint64_t)); |
---|
565 | |
---|
566 | int* type = (int*) malloc(dataLength*sizeof(int)); |
---|
567 | |
---|
568 | uint64_t* spaceFillingValue = oriData; // |
---|
569 | |
---|
570 | DynamicByteArray *exactDataByteArray; |
---|
571 | new_DBA(&exactDataByteArray, DynArrayInitLen); |
---|
572 | |
---|
573 | type[0] = 0; |
---|
574 | P1[0] = spaceFillingValue[0]; |
---|
575 | compressUInt64Value(spaceFillingValue[0], minValue, byteSize, bytes); |
---|
576 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
577 | |
---|
578 | /* Process Row-0 data 1*/ |
---|
579 | pred1D = P1[0]; |
---|
580 | diff = (int64_t)(spaceFillingValue[1]) - (int64_t)(pred1D); |
---|
581 | |
---|
582 | itvNum = llabs(diff)/realPrecision + 1; |
---|
583 | |
---|
584 | if (itvNum < exe_params->intvCapacity) |
---|
585 | { |
---|
586 | if (diff < 0) itvNum = -itvNum; |
---|
587 | type[1] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
588 | P1[1] = pred1D + 2 * (type[1] - exe_params->intvRadius) * realPrecision; |
---|
589 | } |
---|
590 | else |
---|
591 | { |
---|
592 | type[1] = 0; |
---|
593 | curValue = P1[1] = spaceFillingValue[1]; |
---|
594 | compressUInt64Value(curValue, minValue, byteSize, bytes); |
---|
595 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
596 | } |
---|
597 | |
---|
598 | /* Process Row-0 data 2 --> data r3-1 */ |
---|
599 | for (j = 2; j < r3; j++) |
---|
600 | { |
---|
601 | pred1D = 2*P1[j-1] - P1[j-2]; |
---|
602 | diff = (int64_t)(spaceFillingValue[j]) - (int64_t)(pred1D); |
---|
603 | |
---|
604 | itvNum = llabs(diff)/realPrecision + 1; |
---|
605 | |
---|
606 | if (itvNum < exe_params->intvCapacity) |
---|
607 | { |
---|
608 | if (diff < 0) itvNum = -itvNum; |
---|
609 | type[j] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
610 | P1[j] = pred1D + 2 * (type[j] - exe_params->intvRadius) * realPrecision; |
---|
611 | } |
---|
612 | else |
---|
613 | { |
---|
614 | type[j] = 0; |
---|
615 | curValue = P1[j] = spaceFillingValue[j]; |
---|
616 | compressUInt64Value(curValue, minValue, byteSize, bytes); |
---|
617 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
618 | } |
---|
619 | } |
---|
620 | |
---|
621 | /* Process Row-1 --> Row-r2-1 */ |
---|
622 | size_t index; |
---|
623 | for (i = 1; i < r2; i++) |
---|
624 | { |
---|
625 | /* Process row-i data 0 */ |
---|
626 | index = i*r3; |
---|
627 | pred1D = P1[index-r3]; |
---|
628 | diff = (int64_t)(spaceFillingValue[index]) - (int64_t)(pred1D); |
---|
629 | |
---|
630 | itvNum = llabs(diff)/realPrecision + 1; |
---|
631 | |
---|
632 | if (itvNum < exe_params->intvCapacity) |
---|
633 | { |
---|
634 | if (diff < 0) itvNum = -itvNum; |
---|
635 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
636 | P1[index] = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
637 | } |
---|
638 | else |
---|
639 | { |
---|
640 | type[index] = 0; |
---|
641 | curValue = P1[index] = spaceFillingValue[index]; |
---|
642 | compressUInt64Value(curValue, minValue, byteSize, bytes); |
---|
643 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
644 | } |
---|
645 | |
---|
646 | /* Process row-i data 1 --> data r3-1*/ |
---|
647 | for (j = 1; j < r3; j++) |
---|
648 | { |
---|
649 | index = i*r3+j; |
---|
650 | pred2D = P1[index-1] + P1[index-r3] - P1[index-r3-1]; |
---|
651 | |
---|
652 | diff = (int64_t)(spaceFillingValue[index]) - (int64_t)(pred2D); |
---|
653 | |
---|
654 | itvNum = llabs(diff)/realPrecision + 1; |
---|
655 | |
---|
656 | if (itvNum < exe_params->intvCapacity) |
---|
657 | { |
---|
658 | if (diff < 0) itvNum = -itvNum; |
---|
659 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
660 | P1[index] = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
661 | } |
---|
662 | else |
---|
663 | { |
---|
664 | type[index] = 0; |
---|
665 | curValue = P1[index] = spaceFillingValue[index]; |
---|
666 | compressUInt64Value(curValue, minValue, byteSize, bytes); |
---|
667 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
668 | } |
---|
669 | } |
---|
670 | } |
---|
671 | |
---|
672 | |
---|
673 | /////////////////////////// Process layer-1 --> layer-r1-1 /////////////////////////// |
---|
674 | |
---|
675 | for (k = 1; k < r1; k++) |
---|
676 | { |
---|
677 | /* Process Row-0 data 0*/ |
---|
678 | index = k*r23; |
---|
679 | pred1D = P1[0]; |
---|
680 | diff = (int64_t)(spaceFillingValue[index]) - (int64_t)(pred1D); |
---|
681 | |
---|
682 | itvNum = llabs(diff)/realPrecision + 1; |
---|
683 | |
---|
684 | if (itvNum < exe_params->intvCapacity) |
---|
685 | { |
---|
686 | if (diff < 0) itvNum = -itvNum; |
---|
687 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
688 | P0[0] = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
689 | } |
---|
690 | else |
---|
691 | { |
---|
692 | type[index] = 0; |
---|
693 | curValue = P0[0] = spaceFillingValue[index]; |
---|
694 | compressUInt64Value(curValue, minValue, byteSize, bytes); |
---|
695 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
696 | } |
---|
697 | |
---|
698 | |
---|
699 | /* Process Row-0 data 1 --> data r3-1 */ |
---|
700 | for (j = 1; j < r3; j++) |
---|
701 | { |
---|
702 | //index = k*r2*r3+j; |
---|
703 | index ++; |
---|
704 | pred2D = P0[j-1] + P1[j] - P1[j-1]; |
---|
705 | diff = (int64_t)(spaceFillingValue[index]) - (int64_t)(pred2D); |
---|
706 | |
---|
707 | itvNum = llabs(diff)/realPrecision + 1; |
---|
708 | |
---|
709 | if (itvNum < exe_params->intvCapacity) |
---|
710 | { |
---|
711 | if (diff < 0) itvNum = -itvNum; |
---|
712 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
713 | P0[j] = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
714 | /* if(type[index]==0) |
---|
715 | printf("err:type[%d]=0, index4\n", index); */ |
---|
716 | } |
---|
717 | else |
---|
718 | { |
---|
719 | type[index] = 0; |
---|
720 | curValue = P0[j] = spaceFillingValue[index]; |
---|
721 | compressUInt64Value(curValue, minValue, byteSize, bytes); |
---|
722 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
723 | } |
---|
724 | } |
---|
725 | |
---|
726 | /* Process Row-1 --> Row-r2-1 */ |
---|
727 | size_t index2D; |
---|
728 | for (i = 1; i < r2; i++) |
---|
729 | { |
---|
730 | /* Process Row-i data 0 */ |
---|
731 | index = k*r23 + i*r3; |
---|
732 | index2D = i*r3; |
---|
733 | pred2D = P0[index2D-r3] + P1[index2D] - P1[index2D-r3]; |
---|
734 | diff = (int64_t)(spaceFillingValue[index]) - (int64_t)(pred2D); |
---|
735 | |
---|
736 | itvNum = llabs(diff)/realPrecision + 1; |
---|
737 | |
---|
738 | if (itvNum < exe_params->intvCapacity) |
---|
739 | { |
---|
740 | if (diff < 0) itvNum = -itvNum; |
---|
741 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
742 | P0[index2D] = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
743 | } |
---|
744 | else |
---|
745 | { |
---|
746 | type[index] = 0; |
---|
747 | curValue = P0[index2D] = spaceFillingValue[index]; |
---|
748 | compressUInt64Value(curValue, minValue, byteSize, bytes); |
---|
749 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
750 | } |
---|
751 | |
---|
752 | /* Process Row-i data 1 --> data r3-1 */ |
---|
753 | for (j = 1; j < r3; j++) |
---|
754 | { |
---|
755 | // if(k==63&&i==43&&j==27) |
---|
756 | // printf("i=%d\n", i); |
---|
757 | //index = k*r2*r3 + i*r3 + j; |
---|
758 | index ++; |
---|
759 | index2D = i*r3 + j; |
---|
760 | pred3D = P0[index2D-1] + P0[index2D-r3]+ P1[index2D] - P0[index2D-r3-1] - P1[index2D-r3] - P1[index2D-1] + P1[index2D-r3-1]; |
---|
761 | diff = (int64_t)(spaceFillingValue[index]) - (int64_t)(pred3D); |
---|
762 | |
---|
763 | itvNum = llabs(diff)/realPrecision + 1; |
---|
764 | |
---|
765 | if (itvNum < exe_params->intvCapacity) |
---|
766 | { |
---|
767 | if (diff < 0) itvNum = -itvNum; |
---|
768 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
769 | P0[index2D] = pred3D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
770 | } |
---|
771 | else |
---|
772 | { |
---|
773 | type[index] = 0; |
---|
774 | curValue = P0[index2D] = spaceFillingValue[index]; |
---|
775 | compressUInt64Value(curValue, minValue, byteSize, bytes); |
---|
776 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
777 | } |
---|
778 | } |
---|
779 | } |
---|
780 | |
---|
781 | uint64_t *Pt; |
---|
782 | Pt = P1; |
---|
783 | P1 = P0; |
---|
784 | P0 = Pt; |
---|
785 | } |
---|
786 | if(r23!=1) |
---|
787 | free(P0); |
---|
788 | free(P1); |
---|
789 | |
---|
790 | size_t exactDataNum = exactDataByteArray->size; |
---|
791 | |
---|
792 | TightDataPointStorageI* tdps; |
---|
793 | |
---|
794 | new_TightDataPointStorageI(&tdps, dataLength, exactDataNum, byteSize, |
---|
795 | type, exactDataByteArray->array, exactDataByteArray->size, |
---|
796 | realPrecision, minValue, quantization_intervals, SZ_UINT64); |
---|
797 | |
---|
798 | //free memory |
---|
799 | free(type); |
---|
800 | free(exactDataByteArray); //exactDataByteArray->array has been released in free_TightDataPointStorageF(tdps); |
---|
801 | |
---|
802 | return tdps; |
---|
803 | } |
---|
804 | |
---|
805 | |
---|
806 | void SZ_compress_args_uint64_NoCkRngeNoGzip_3D(unsigned char** newByteData, uint64_t *oriData, size_t r1, size_t r2, size_t r3, double realPrecision, size_t *outSize, |
---|
807 | uint64_t valueRangeSize, uint64_t minValue) |
---|
808 | { |
---|
809 | TightDataPointStorageI* tdps = SZ_compress_uint64_3D_MDQ(oriData, r1, r2, r3, realPrecision, valueRangeSize, minValue); |
---|
810 | |
---|
811 | convertTDPStoFlatBytes_int(tdps, newByteData, outSize); |
---|
812 | |
---|
813 | size_t dataLength = r1*r2*r3; |
---|
814 | if(*outSize>dataLength*sizeof(uint64_t)) |
---|
815 | SZ_compress_args_uint64_StoreOriData(oriData, dataLength, tdps, newByteData, outSize); |
---|
816 | |
---|
817 | free_TightDataPointStorageI(tdps); |
---|
818 | } |
---|
819 | |
---|
820 | |
---|
821 | TightDataPointStorageI* SZ_compress_uint64_4D_MDQ(uint64_t *oriData, size_t r1, size_t r2, size_t r3, size_t r4, double realPrecision, uint64_t valueRangeSize, uint64_t minValue) |
---|
822 | { |
---|
823 | unsigned char bytes[8] = {0,0,0,0,0,0,0,0}; |
---|
824 | int byteSize = computeByteSizePerIntValue(valueRangeSize); |
---|
825 | |
---|
826 | unsigned int quantization_intervals; |
---|
827 | if(exe_params->optQuantMode==1) |
---|
828 | { |
---|
829 | quantization_intervals = optimize_intervals_uint64_4D(oriData, r1, r2, r3, r4, realPrecision); |
---|
830 | updateQuantizationInfo(quantization_intervals); |
---|
831 | } |
---|
832 | else |
---|
833 | quantization_intervals = exe_params->intvCapacity; |
---|
834 | size_t i,j,k; |
---|
835 | int64_t pred1D, pred2D, pred3D, curValue; |
---|
836 | int64_t diff = 0.0; |
---|
837 | double itvNum = 0; |
---|
838 | uint64_t *P0, *P1; |
---|
839 | |
---|
840 | size_t dataLength = r1*r2*r3*r4; |
---|
841 | |
---|
842 | size_t r234 = r2*r3*r4; |
---|
843 | size_t r34 = r3*r4; |
---|
844 | |
---|
845 | P0 = (uint64_t*)malloc(r34*sizeof(uint64_t)); |
---|
846 | P1 = (uint64_t*)malloc(r34*sizeof(uint64_t)); |
---|
847 | |
---|
848 | int* type = (int*) malloc(dataLength*sizeof(int)); |
---|
849 | |
---|
850 | uint64_t* spaceFillingValue = oriData; // |
---|
851 | |
---|
852 | DynamicByteArray *exactDataByteArray; |
---|
853 | new_DBA(&exactDataByteArray, DynArrayInitLen); |
---|
854 | |
---|
855 | size_t l; |
---|
856 | for (l = 0; l < r1; l++) |
---|
857 | { |
---|
858 | |
---|
859 | /////////////////////////// Process layer-0 /////////////////////////// |
---|
860 | /* Process Row-0 data 0*/ |
---|
861 | size_t index = l*r234; |
---|
862 | size_t index2D = 0; |
---|
863 | |
---|
864 | type[index] = 0; |
---|
865 | curValue = P1[index2D] = spaceFillingValue[index]; |
---|
866 | compressUInt64Value(curValue, minValue, byteSize, bytes); |
---|
867 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
868 | |
---|
869 | /* Process Row-0 data 1*/ |
---|
870 | index = l*r234+1; |
---|
871 | index2D = 1; |
---|
872 | |
---|
873 | pred1D = P1[index2D-1]; |
---|
874 | diff = (int64_t)(curValue) - (int64_t)(pred1D); |
---|
875 | |
---|
876 | itvNum = llabs(diff)/realPrecision + 1; |
---|
877 | |
---|
878 | if (itvNum < exe_params->intvCapacity) |
---|
879 | { |
---|
880 | if (diff < 0) itvNum = -itvNum; |
---|
881 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
882 | P1[index2D] = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
883 | } |
---|
884 | else |
---|
885 | { |
---|
886 | type[index] = 0; |
---|
887 | |
---|
888 | curValue = P1[index2D] = spaceFillingValue[0]; |
---|
889 | compressUInt64Value(curValue, minValue, byteSize, bytes); |
---|
890 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
891 | } |
---|
892 | |
---|
893 | /* Process Row-0 data 2 --> data r4-1 */ |
---|
894 | for (j = 2; j < r4; j++) |
---|
895 | { |
---|
896 | index = l*r234+j; |
---|
897 | index2D = j; |
---|
898 | |
---|
899 | pred1D = 2*P1[index2D-1] - P1[index2D-2]; |
---|
900 | diff = (int64_t)(spaceFillingValue[index]) - (int64_t)(pred1D); |
---|
901 | |
---|
902 | itvNum = llabs(diff)/realPrecision + 1; |
---|
903 | |
---|
904 | if (itvNum < exe_params->intvCapacity) |
---|
905 | { |
---|
906 | if (diff < 0) itvNum = -itvNum; |
---|
907 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
908 | P1[index2D] = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
909 | } |
---|
910 | else |
---|
911 | { |
---|
912 | type[index] = 0; |
---|
913 | |
---|
914 | curValue = P1[index2D] = spaceFillingValue[0]; |
---|
915 | compressUInt64Value(curValue, minValue, byteSize, bytes); |
---|
916 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
917 | } |
---|
918 | } |
---|
919 | |
---|
920 | /* Process Row-1 --> Row-r3-1 */ |
---|
921 | for (i = 1; i < r3; i++) |
---|
922 | { |
---|
923 | /* Process row-i data 0 */ |
---|
924 | index = l*r234+i*r4; |
---|
925 | index2D = i*r4; |
---|
926 | |
---|
927 | pred1D = P1[index2D-r4]; |
---|
928 | diff = (int64_t)(spaceFillingValue[index]) - (int64_t)(pred1D); |
---|
929 | |
---|
930 | itvNum = llabs(diff)/realPrecision + 1; |
---|
931 | |
---|
932 | if (itvNum < exe_params->intvCapacity) |
---|
933 | { |
---|
934 | if (diff < 0) itvNum = -itvNum; |
---|
935 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
936 | P1[index2D] = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
937 | } |
---|
938 | else |
---|
939 | { |
---|
940 | type[index] = 0; |
---|
941 | |
---|
942 | curValue = P1[index2D] = spaceFillingValue[0]; |
---|
943 | compressUInt64Value(curValue, minValue, byteSize, bytes); |
---|
944 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
945 | } |
---|
946 | |
---|
947 | /* Process row-i data 1 --> data r4-1*/ |
---|
948 | for (j = 1; j < r4; j++) |
---|
949 | { |
---|
950 | index = l*r234+i*r4+j; |
---|
951 | index2D = i*r4+j; |
---|
952 | |
---|
953 | pred2D = P1[index2D-1] + P1[index2D-r4] - P1[index2D-r4-1]; |
---|
954 | |
---|
955 | diff = (int64_t)(spaceFillingValue[index]) - (int64_t)(pred2D); |
---|
956 | |
---|
957 | itvNum = llabs(diff)/realPrecision + 1; |
---|
958 | |
---|
959 | if (itvNum < exe_params->intvCapacity) |
---|
960 | { |
---|
961 | if (diff < 0) itvNum = -itvNum; |
---|
962 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
963 | P1[index2D] = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
964 | } |
---|
965 | else |
---|
966 | { |
---|
967 | type[index] = 0; |
---|
968 | |
---|
969 | curValue = P1[index2D] = spaceFillingValue[0]; |
---|
970 | compressUInt64Value(curValue, minValue, byteSize, bytes); |
---|
971 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
972 | } |
---|
973 | } |
---|
974 | } |
---|
975 | |
---|
976 | |
---|
977 | /////////////////////////// Process layer-1 --> layer-r2-1 /////////////////////////// |
---|
978 | |
---|
979 | for (k = 1; k < r2; k++) |
---|
980 | { |
---|
981 | /* Process Row-0 data 0*/ |
---|
982 | index = l*r234+k*r34; |
---|
983 | index2D = 0; |
---|
984 | |
---|
985 | pred1D = P1[index2D]; |
---|
986 | diff = (int64_t)(spaceFillingValue[index]) - (int64_t)(pred1D); |
---|
987 | |
---|
988 | itvNum = llabs(diff)/realPrecision + 1; |
---|
989 | |
---|
990 | if (itvNum < exe_params->intvCapacity) |
---|
991 | { |
---|
992 | if (diff < 0) itvNum = -itvNum; |
---|
993 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
994 | P0[index2D] = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
995 | } |
---|
996 | else |
---|
997 | { |
---|
998 | type[index] = 0; |
---|
999 | |
---|
1000 | curValue = P0[index2D] = spaceFillingValue[0]; |
---|
1001 | compressUInt64Value(curValue, minValue, byteSize, bytes); |
---|
1002 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
1003 | } |
---|
1004 | |
---|
1005 | /* Process Row-0 data 1 --> data r4-1 */ |
---|
1006 | for (j = 1; j < r4; j++) |
---|
1007 | { |
---|
1008 | index = l*r234+k*r34+j; |
---|
1009 | index2D = j; |
---|
1010 | |
---|
1011 | pred2D = P0[index2D-1] + P1[index2D] - P1[index2D-1]; |
---|
1012 | diff = (int64_t)(spaceFillingValue[index]) - (int64_t)(pred2D); |
---|
1013 | |
---|
1014 | itvNum = llabs(diff)/realPrecision + 1; |
---|
1015 | |
---|
1016 | if (itvNum < exe_params->intvCapacity) |
---|
1017 | { |
---|
1018 | if (diff < 0) itvNum = -itvNum; |
---|
1019 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
1020 | P0[index2D] = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
1021 | } |
---|
1022 | else |
---|
1023 | { |
---|
1024 | type[index] = 0; |
---|
1025 | |
---|
1026 | curValue = P0[index2D] = spaceFillingValue[0]; |
---|
1027 | compressUInt64Value(curValue, minValue, byteSize, bytes); |
---|
1028 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
1029 | } |
---|
1030 | } |
---|
1031 | |
---|
1032 | /* Process Row-1 --> Row-r3-1 */ |
---|
1033 | for (i = 1; i < r3; i++) |
---|
1034 | { |
---|
1035 | /* Process Row-i data 0 */ |
---|
1036 | index = l*r234+k*r34+i*r4; |
---|
1037 | index2D = i*r4; |
---|
1038 | |
---|
1039 | pred2D = P0[index2D-r4] + P1[index2D] - P1[index2D-r4]; |
---|
1040 | diff = (int64_t)(spaceFillingValue[index]) - (int64_t)(pred2D); |
---|
1041 | |
---|
1042 | itvNum = llabs(diff)/realPrecision + 1; |
---|
1043 | |
---|
1044 | if (itvNum < exe_params->intvCapacity) |
---|
1045 | { |
---|
1046 | if (diff < 0) itvNum = -itvNum; |
---|
1047 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
1048 | P0[index2D] = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
1049 | } |
---|
1050 | else |
---|
1051 | { |
---|
1052 | type[index] = 0; |
---|
1053 | |
---|
1054 | curValue = P0[index2D] = spaceFillingValue[0]; |
---|
1055 | compressUInt64Value(curValue, minValue, byteSize, bytes); |
---|
1056 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
1057 | } |
---|
1058 | |
---|
1059 | /* Process Row-i data 1 --> data r4-1 */ |
---|
1060 | for (j = 1; j < r4; j++) |
---|
1061 | { |
---|
1062 | index = l*r234+k*r34+i*r4+j; |
---|
1063 | index2D = i*r4+j; |
---|
1064 | |
---|
1065 | pred3D = P0[index2D-1] + P0[index2D-r4]+ P1[index2D] - P0[index2D-r4-1] - P1[index2D-r4] - P1[index2D-1] + P1[index2D-r4-1]; |
---|
1066 | diff = (int64_t)(spaceFillingValue[index]) - (int64_t)(pred3D); |
---|
1067 | |
---|
1068 | |
---|
1069 | itvNum = llabs(diff)/realPrecision + 1; |
---|
1070 | |
---|
1071 | if (itvNum < exe_params->intvCapacity) |
---|
1072 | { |
---|
1073 | if (diff < 0) itvNum = -itvNum; |
---|
1074 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
1075 | P0[index2D] = pred3D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
1076 | } |
---|
1077 | else |
---|
1078 | { |
---|
1079 | type[index] = 0; |
---|
1080 | |
---|
1081 | curValue = P0[index2D] = spaceFillingValue[0]; |
---|
1082 | compressUInt64Value(curValue, minValue, byteSize, bytes); |
---|
1083 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
1084 | } |
---|
1085 | } |
---|
1086 | } |
---|
1087 | |
---|
1088 | uint64_t *Pt; |
---|
1089 | Pt = P1; |
---|
1090 | P1 = P0; |
---|
1091 | P0 = Pt; |
---|
1092 | } |
---|
1093 | } |
---|
1094 | |
---|
1095 | free(P0); |
---|
1096 | free(P1); |
---|
1097 | |
---|
1098 | size_t exactDataNum = exactDataByteArray->size; |
---|
1099 | |
---|
1100 | TightDataPointStorageI* tdps; |
---|
1101 | |
---|
1102 | new_TightDataPointStorageI(&tdps, dataLength, exactDataNum, byteSize, |
---|
1103 | type, exactDataByteArray->array, exactDataByteArray->size, |
---|
1104 | realPrecision, minValue, quantization_intervals, SZ_UINT64); |
---|
1105 | |
---|
1106 | //free memory |
---|
1107 | free(type); |
---|
1108 | free(exactDataByteArray); //exactDataByteArray->array has been released in free_TightDataPointStorageF(tdps); |
---|
1109 | |
---|
1110 | return tdps; |
---|
1111 | } |
---|
1112 | |
---|
1113 | void SZ_compress_args_uint64_NoCkRngeNoGzip_4D(unsigned char** newByteData, uint64_t *oriData, size_t r1, size_t r2, size_t r3, size_t r4, double realPrecision, |
---|
1114 | size_t *outSize, uint64_t valueRangeSize, uint64_t minValue) |
---|
1115 | { |
---|
1116 | TightDataPointStorageI* tdps = SZ_compress_uint64_4D_MDQ(oriData, r1, r2, r3, r4, realPrecision, valueRangeSize, minValue); |
---|
1117 | |
---|
1118 | convertTDPStoFlatBytes_int(tdps, newByteData, outSize); |
---|
1119 | |
---|
1120 | size_t dataLength = r1*r2*r3*r4; |
---|
1121 | if(*outSize>dataLength*sizeof(uint64_t)) |
---|
1122 | SZ_compress_args_uint64_StoreOriData(oriData, dataLength, tdps, newByteData, outSize); |
---|
1123 | |
---|
1124 | free_TightDataPointStorageI(tdps); |
---|
1125 | } |
---|
1126 | |
---|
1127 | void SZ_compress_args_uint64_withinRange(unsigned char** newByteData, uint64_t *oriData, size_t dataLength, size_t *outSize) |
---|
1128 | { |
---|
1129 | TightDataPointStorageI* tdps = (TightDataPointStorageI*) malloc(sizeof(TightDataPointStorageI)); |
---|
1130 | tdps->typeArray = NULL; |
---|
1131 | |
---|
1132 | tdps->allSameData = 1; |
---|
1133 | tdps->dataSeriesLength = dataLength; |
---|
1134 | tdps->exactDataBytes = (unsigned char*)malloc(sizeof(unsigned char)*8); |
---|
1135 | tdps->isLossless = 0; |
---|
1136 | //tdps->exactByteSize = 8; |
---|
1137 | tdps->exactDataNum = 1; |
---|
1138 | tdps->exactDataBytes_size = 8; |
---|
1139 | |
---|
1140 | uint64_t value = oriData[0]; |
---|
1141 | int64ToBytes_bigEndian(tdps->exactDataBytes, value); |
---|
1142 | |
---|
1143 | size_t tmpOutSize; |
---|
1144 | convertTDPStoFlatBytes_int(tdps, newByteData, &tmpOutSize); |
---|
1145 | |
---|
1146 | *outSize = tmpOutSize;//3+1+sizeof(uint64_t)+SZ_SIZE_TYPE; //8==3+1+4(uint64_size) |
---|
1147 | free_TightDataPointStorageI(tdps); |
---|
1148 | } |
---|
1149 | |
---|
1150 | int SZ_compress_args_uint64_wRngeNoGzip(unsigned char** newByteData, uint64_t *oriData, |
---|
1151 | size_t r5, size_t r4, size_t r3, size_t r2, size_t r1, size_t *outSize, |
---|
1152 | int errBoundMode, double absErr_Bound, double relBoundRatio) |
---|
1153 | { |
---|
1154 | int status = SZ_SCES; |
---|
1155 | size_t dataLength = computeDataLength(r5,r4,r3,r2,r1); |
---|
1156 | int64_t valueRangeSize = 0; |
---|
1157 | |
---|
1158 | uint64_t minValue = computeRangeSize_int(oriData, SZ_UINT64, dataLength, &valueRangeSize); |
---|
1159 | double realPrecision = getRealPrecision_int(valueRangeSize, errBoundMode, absErr_Bound, relBoundRatio, &status); |
---|
1160 | |
---|
1161 | if(valueRangeSize <= realPrecision) |
---|
1162 | { |
---|
1163 | SZ_compress_args_uint64_withinRange(newByteData, oriData, dataLength, outSize); |
---|
1164 | } |
---|
1165 | else |
---|
1166 | { |
---|
1167 | // SZ_compress_args_uint64_NoCkRngeNoGzip_2D(newByteData, oriData, r2, r1, realPrecision, outSize); |
---|
1168 | if(r5==0&&r4==0&&r3==0&&r2==0) |
---|
1169 | { |
---|
1170 | SZ_compress_args_uint64_NoCkRngeNoGzip_1D(newByteData, oriData, r1, realPrecision, outSize, valueRangeSize, minValue); |
---|
1171 | } |
---|
1172 | else if(r5==0&&r4==0&&r3==0) |
---|
1173 | { |
---|
1174 | SZ_compress_args_uint64_NoCkRngeNoGzip_2D(newByteData, oriData, r2, r1, realPrecision, outSize, valueRangeSize, minValue); |
---|
1175 | } |
---|
1176 | else if(r5==0&&r4==0) |
---|
1177 | { |
---|
1178 | SZ_compress_args_uint64_NoCkRngeNoGzip_3D(newByteData, oriData, r3, r2, r1, realPrecision, outSize, valueRangeSize, minValue); |
---|
1179 | } |
---|
1180 | else if(r5==0) |
---|
1181 | { |
---|
1182 | SZ_compress_args_uint64_NoCkRngeNoGzip_3D(newByteData, oriData, r4*r3, r2, r1, realPrecision, outSize, valueRangeSize, minValue); |
---|
1183 | } |
---|
1184 | } |
---|
1185 | return status; |
---|
1186 | } |
---|
1187 | |
---|
1188 | int SZ_compress_args_uint64(unsigned char** newByteData, uint64_t *oriData, |
---|
1189 | size_t r5, size_t r4, size_t r3, size_t r2, size_t r1, size_t *outSize, |
---|
1190 | int errBoundMode, double absErr_Bound, double relBoundRatio) |
---|
1191 | { |
---|
1192 | confparams_cpr->errorBoundMode = errBoundMode; |
---|
1193 | |
---|
1194 | if(errBoundMode>=PW_REL) |
---|
1195 | { |
---|
1196 | printf("Error: Current SZ version doesn't support integer data compression with point-wise relative error bound being based on pwrType=AVG\n"); |
---|
1197 | exit(0); |
---|
1198 | return SZ_NSCS; |
---|
1199 | } |
---|
1200 | int status = SZ_SCES; |
---|
1201 | size_t dataLength = computeDataLength(r5,r4,r3,r2,r1); |
---|
1202 | int64_t valueRangeSize = 0; |
---|
1203 | |
---|
1204 | uint64_t minValue = (uint64_t)computeRangeSize_int(oriData, SZ_UINT64, dataLength, &valueRangeSize); |
---|
1205 | double realPrecision = 0; |
---|
1206 | |
---|
1207 | if(confparams_cpr->errorBoundMode==PSNR) |
---|
1208 | { |
---|
1209 | confparams_cpr->errorBoundMode = ABS; |
---|
1210 | realPrecision = confparams_cpr->absErrBound = computeABSErrBoundFromPSNR(confparams_cpr->psnr, (double)confparams_cpr->predThreshold, (double)valueRangeSize); |
---|
1211 | //printf("realPrecision=%lf\n", realPrecision); |
---|
1212 | } |
---|
1213 | else |
---|
1214 | realPrecision = getRealPrecision_int(valueRangeSize, errBoundMode, absErr_Bound, relBoundRatio, &status); |
---|
1215 | |
---|
1216 | if(valueRangeSize <= realPrecision) |
---|
1217 | { |
---|
1218 | SZ_compress_args_uint64_withinRange(newByteData, oriData, dataLength, outSize); |
---|
1219 | } |
---|
1220 | else |
---|
1221 | { |
---|
1222 | size_t tmpOutSize = 0; |
---|
1223 | unsigned char* tmpByteData; |
---|
1224 | if (r2==0) |
---|
1225 | { |
---|
1226 | SZ_compress_args_uint64_NoCkRngeNoGzip_1D(&tmpByteData, oriData, r1, realPrecision, &tmpOutSize, valueRangeSize, minValue); |
---|
1227 | } |
---|
1228 | else |
---|
1229 | if (r3==0) |
---|
1230 | { |
---|
1231 | SZ_compress_args_uint64_NoCkRngeNoGzip_2D(&tmpByteData, oriData, r2, r1, realPrecision, &tmpOutSize, valueRangeSize, minValue); |
---|
1232 | } |
---|
1233 | else |
---|
1234 | if (r4==0) |
---|
1235 | { |
---|
1236 | SZ_compress_args_uint64_NoCkRngeNoGzip_3D(&tmpByteData, oriData, r3, r2, r1, realPrecision, &tmpOutSize, valueRangeSize, minValue); |
---|
1237 | } |
---|
1238 | else |
---|
1239 | if (r5==0) |
---|
1240 | { |
---|
1241 | SZ_compress_args_uint64_NoCkRngeNoGzip_4D(&tmpByteData, oriData, r4, r3, r2, r1, realPrecision, &tmpOutSize, valueRangeSize, minValue); |
---|
1242 | } |
---|
1243 | else |
---|
1244 | { |
---|
1245 | printf("Error: doesn't support 5 dimensions for now.\n"); |
---|
1246 | status = SZ_DERR; //dimension error |
---|
1247 | } |
---|
1248 | //Call Gzip to do the further compression. |
---|
1249 | if(confparams_cpr->szMode==SZ_BEST_SPEED) |
---|
1250 | { |
---|
1251 | *outSize = tmpOutSize; |
---|
1252 | *newByteData = tmpByteData; |
---|
1253 | } |
---|
1254 | else if(confparams_cpr->szMode==SZ_BEST_COMPRESSION || confparams_cpr->szMode==SZ_DEFAULT_COMPRESSION) |
---|
1255 | { |
---|
1256 | *outSize = zlib_compress5(tmpByteData, tmpOutSize, newByteData, confparams_cpr->gzipMode); |
---|
1257 | free(tmpByteData); |
---|
1258 | } |
---|
1259 | else |
---|
1260 | { |
---|
1261 | printf("Error: Wrong setting of confparams_cpr->szMode in the uint64_t compression.\n"); |
---|
1262 | status = SZ_MERR; //mode error |
---|
1263 | } |
---|
1264 | } |
---|
1265 | |
---|
1266 | return status; |
---|
1267 | } |
---|