[2c47b73] | 1 | /** |
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| 2 | * @file sz_int64.c |
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| 3 | * @author Sheng Di |
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| 4 | * @date Aug, 2017 |
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| 5 | * @brief sz_int64, 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_int64.h" |
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[9ee2ce3] | 24 | #include "utility.h" |
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[2c47b73] | 25 | |
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| 26 | unsigned int optimize_intervals_int64_1D(int64_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_int64_2D(int64_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_int64_3D(int64_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_int64_4D(int64_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_int64_1D_MDQ(int64_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_int64_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 | int64_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 | compressInt64Value(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 | compressInt64Value(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; |
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| 262 | int64_t predAbsErr; |
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| 263 | double interval = 2*realPrecision; |
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| 264 | |
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| 265 | for(i=2;i<dataLength;i++) |
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| 266 | { |
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| 267 | // if(i==2869438) |
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| 268 | // printf("i=%d\n", i); |
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| 269 | curData = spaceFillingValue[i]; |
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| 270 | //pred = 2*last3CmprsData[0] - last3CmprsData[1]; |
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| 271 | pred = last3CmprsData[0]; |
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| 272 | predAbsErr = llabs(curData - pred); |
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[9ee2ce3] | 273 | if(predAbsErr<checkRadius) |
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[2c47b73] | 274 | { |
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| 275 | state = (predAbsErr/realPrecision+1)/2; |
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| 276 | if(curData>=pred) |
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| 277 | { |
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| 278 | type[i] = exe_params->intvRadius+state; |
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| 279 | pred = pred + state*interval; |
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| 280 | } |
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| 281 | else //curData<pred |
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| 282 | { |
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| 283 | type[i] = exe_params->intvRadius-state; |
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| 284 | pred = pred - state*interval; |
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| 285 | } |
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| 286 | /* if(type[i]==0) |
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| 287 | printf("err:type[%d]=0\n", i);*/ |
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| 288 | listAdd_int(last3CmprsData, pred); |
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| 289 | continue; |
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| 290 | } |
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| 291 | |
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| 292 | //unpredictable data processing |
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| 293 | type[i] = 0; |
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| 294 | compressInt64Value(curData, minValue, byteSize, bytes); |
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| 295 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
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| 296 | listAdd_int(last3CmprsData, curData); |
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| 297 | }//end of for |
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| 298 | |
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| 299 | size_t exactDataNum = exactDataByteArray->size / byteSize; |
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| 300 | |
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| 301 | TightDataPointStorageI* tdps; |
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| 302 | |
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| 303 | new_TightDataPointStorageI(&tdps, dataLength, exactDataNum, byteSize, |
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| 304 | type, exactDataByteArray->array, exactDataByteArray->size, |
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| 305 | realPrecision, minValue, quantization_intervals, SZ_INT64); |
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| 306 | |
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| 307 | //sdi:Debug |
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| 308 | /* int sum =0; |
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| 309 | for(i=0;i<dataLength;i++) |
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| 310 | if(type[i]==0) sum++; |
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| 311 | printf("opt_quantizations=%d, exactDataNum=%d, sum=%d\n",quantization_intervals, exactDataNum, sum);*/ |
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| 312 | |
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| 313 | //free memory |
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| 314 | free(type); |
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| 315 | free(exactDataByteArray); //exactDataByteArray->array has been released in free_TightDataPointStorageF(tdps); |
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| 316 | |
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| 317 | return tdps; |
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| 318 | } |
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| 319 | |
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| 320 | void SZ_compress_args_int64_StoreOriData(int64_t* oriData, size_t dataLength, TightDataPointStorageI* tdps, |
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| 321 | unsigned char** newByteData, size_t *outSize) |
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| 322 | { |
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| 323 | int intSize=sizeof(int64_t); |
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| 324 | size_t k = 0, i; |
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| 325 | tdps->isLossless = 1; |
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| 326 | size_t totalByteLength = 3 + MetaDataByteLength + exe_params->SZ_SIZE_TYPE + 1 + intSize*dataLength; |
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| 327 | *newByteData = (unsigned char*)malloc(totalByteLength); |
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| 328 | |
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| 329 | unsigned char dsLengthBytes[8]; |
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| 330 | for (i = 0; i < 3; i++)//3 |
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| 331 | (*newByteData)[k++] = versionNumber[i]; |
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| 332 | |
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| 333 | if(exe_params->SZ_SIZE_TYPE==4)//1 |
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| 334 | (*newByteData)[k++] = 16; //00010000 |
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| 335 | else |
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| 336 | (*newByteData)[k++] = 80; //01010000: 01000000 indicates the SZ_SIZE_TYPE=8 |
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| 337 | |
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| 338 | convertSZParamsToBytes(confparams_cpr, &((*newByteData)[k])); |
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| 339 | k = k + MetaDataByteLength; |
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| 340 | |
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| 341 | sizeToBytes(dsLengthBytes,dataLength); //SZ_SIZE_TYPE: 4 or 8 |
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| 342 | for (i = 0; i < exe_params->SZ_SIZE_TYPE; i++) |
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| 343 | (*newByteData)[k++] = dsLengthBytes[i]; |
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| 344 | |
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| 345 | if(sysEndianType==BIG_ENDIAN_SYSTEM) |
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| 346 | memcpy((*newByteData)+4+MetaDataByteLength+exe_params->SZ_SIZE_TYPE, oriData, dataLength*intSize); |
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| 347 | else |
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| 348 | { |
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| 349 | unsigned char* p = (*newByteData)+4+MetaDataByteLength+exe_params->SZ_SIZE_TYPE; |
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| 350 | for(i=0;i<dataLength;i++,p+=intSize) |
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| 351 | int64ToBytes_bigEndian(p, oriData[i]); |
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| 352 | } |
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| 353 | *outSize = totalByteLength; |
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| 354 | } |
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| 355 | |
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| 356 | void SZ_compress_args_int64_NoCkRngeNoGzip_1D(unsigned char** newByteData, int64_t *oriData, |
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| 357 | size_t dataLength, double realPrecision, size_t *outSize, int64_t valueRangeSize, int64_t minValue) |
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| 358 | { |
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| 359 | TightDataPointStorageI* tdps = SZ_compress_int64_1D_MDQ(oriData, dataLength, realPrecision, valueRangeSize, minValue); |
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| 360 | //TODO: return bytes.... |
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| 361 | convertTDPStoFlatBytes_int(tdps, newByteData, outSize); |
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| 362 | if(*outSize > dataLength*sizeof(int64_t)) |
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| 363 | SZ_compress_args_int64_StoreOriData(oriData, dataLength+2, tdps, newByteData, outSize); |
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| 364 | free_TightDataPointStorageI(tdps); |
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| 365 | } |
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| 366 | |
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| 367 | TightDataPointStorageI* SZ_compress_int64_2D_MDQ(int64_t *oriData, size_t r1, size_t r2, double realPrecision, int64_t valueRangeSize, int64_t minValue) |
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| 368 | { |
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| 369 | unsigned char bytes[8] = {0,0,0,0,0,0,0,0}; |
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| 370 | int byteSize = computeByteSizePerIntValue(valueRangeSize); |
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| 371 | |
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| 372 | unsigned int quantization_intervals; |
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| 373 | if(exe_params->optQuantMode==1) |
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| 374 | { |
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| 375 | quantization_intervals = optimize_intervals_int64_2D(oriData, r1, r2, realPrecision); |
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| 376 | updateQuantizationInfo(quantization_intervals); |
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| 377 | } |
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| 378 | else |
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| 379 | quantization_intervals = exe_params->intvCapacity; |
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| 380 | size_t i,j; |
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| 381 | int64_t pred1D, pred2D, curValue; |
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| 382 | int64_t diff = 0.0; |
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| 383 | double itvNum = 0; |
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| 384 | int64_t *P0, *P1; |
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| 385 | |
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| 386 | size_t dataLength = r1*r2; |
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| 387 | |
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| 388 | P0 = (int64_t*)malloc(r2*sizeof(int64_t)); |
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| 389 | memset(P0, 0, r2*sizeof(int64_t)); |
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| 390 | P1 = (int64_t*)malloc(r2*sizeof(int64_t)); |
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| 391 | memset(P1, 0, r2*sizeof(int64_t)); |
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| 392 | |
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| 393 | int* type = (int*) malloc(dataLength*sizeof(int)); |
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| 394 | //type[dataLength]=0; |
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| 395 | |
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| 396 | int64_t* spaceFillingValue = oriData; // |
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| 397 | |
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| 398 | DynamicByteArray *exactDataByteArray; |
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| 399 | new_DBA(&exactDataByteArray, DynArrayInitLen); |
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| 400 | |
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| 401 | type[0] = 0; |
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| 402 | curValue = P1[0] = spaceFillingValue[0]; |
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| 403 | compressInt64Value(curValue, minValue, byteSize, bytes); |
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| 404 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
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| 405 | |
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| 406 | /* Process Row-0 data 1*/ |
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| 407 | pred1D = P1[0]; |
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| 408 | diff = spaceFillingValue[1] - pred1D; |
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| 409 | |
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| 410 | itvNum = llabs(diff)/realPrecision + 1; |
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| 411 | |
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| 412 | if (itvNum < exe_params->intvCapacity) |
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| 413 | { |
---|
| 414 | if (diff < 0) itvNum = -itvNum; |
---|
| 415 | type[1] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 416 | P1[1] = pred1D + 2 * (type[1] - exe_params->intvRadius) * realPrecision; |
---|
| 417 | } |
---|
| 418 | else |
---|
| 419 | { |
---|
| 420 | type[1] = 0; |
---|
| 421 | curValue = P1[1] = spaceFillingValue[1]; |
---|
| 422 | compressInt64Value(curValue, minValue, byteSize, bytes); |
---|
| 423 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
| 424 | } |
---|
| 425 | |
---|
| 426 | /* Process Row-0 data 2 --> data r2-1 */ |
---|
| 427 | for (j = 2; j < r2; j++) |
---|
| 428 | { |
---|
| 429 | pred1D = 2*P1[j-1] - P1[j-2]; |
---|
| 430 | diff = spaceFillingValue[j] - pred1D; |
---|
| 431 | |
---|
| 432 | itvNum = llabs(diff)/realPrecision + 1; |
---|
| 433 | |
---|
| 434 | if (itvNum < exe_params->intvCapacity) |
---|
| 435 | { |
---|
| 436 | if (diff < 0) itvNum = -itvNum; |
---|
| 437 | type[j] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 438 | P1[j] = pred1D + 2 * (type[j] - exe_params->intvRadius) * realPrecision; |
---|
| 439 | } |
---|
| 440 | else |
---|
| 441 | { |
---|
| 442 | type[j] = 0; |
---|
| 443 | curValue = P1[j] = spaceFillingValue[j]; |
---|
| 444 | compressInt64Value(curValue, minValue, byteSize, bytes); |
---|
| 445 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
| 446 | } |
---|
| 447 | } |
---|
| 448 | |
---|
| 449 | /* Process Row-1 --> Row-r1-1 */ |
---|
| 450 | size_t index; |
---|
| 451 | for (i = 1; i < r1; i++) |
---|
| 452 | { |
---|
| 453 | /* Process row-i data 0 */ |
---|
| 454 | index = i*r2; |
---|
| 455 | pred1D = P1[0]; |
---|
| 456 | diff = spaceFillingValue[index] - pred1D; |
---|
| 457 | |
---|
| 458 | itvNum = llabs(diff)/realPrecision + 1; |
---|
| 459 | |
---|
| 460 | if (itvNum < exe_params->intvCapacity) |
---|
| 461 | { |
---|
| 462 | if (diff < 0) itvNum = -itvNum; |
---|
| 463 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 464 | P0[0] = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 465 | } |
---|
| 466 | else |
---|
| 467 | { |
---|
| 468 | type[index] = 0; |
---|
| 469 | curValue = P0[0] = spaceFillingValue[index]; |
---|
| 470 | compressInt64Value(curValue, minValue, byteSize, bytes); |
---|
| 471 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
| 472 | } |
---|
| 473 | |
---|
| 474 | /* Process row-i data 1 --> r2-1*/ |
---|
| 475 | for (j = 1; j < r2; j++) |
---|
| 476 | { |
---|
| 477 | index = i*r2+j; |
---|
| 478 | pred2D = P0[j-1] + P1[j] - P1[j-1]; |
---|
| 479 | |
---|
| 480 | diff = spaceFillingValue[index] - pred2D; |
---|
| 481 | |
---|
| 482 | itvNum = llabs(diff)/realPrecision + 1; |
---|
| 483 | |
---|
| 484 | if (itvNum < exe_params->intvCapacity) |
---|
| 485 | { |
---|
| 486 | if (diff < 0) itvNum = -itvNum; |
---|
| 487 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 488 | P0[j] = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 489 | } |
---|
| 490 | else |
---|
| 491 | { |
---|
| 492 | type[index] = 0; |
---|
| 493 | curValue = P0[j] = spaceFillingValue[index]; |
---|
| 494 | compressInt64Value(curValue, minValue, byteSize, bytes); |
---|
| 495 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
| 496 | } |
---|
| 497 | } |
---|
| 498 | |
---|
| 499 | int64_t *Pt; |
---|
| 500 | Pt = P1; |
---|
| 501 | P1 = P0; |
---|
| 502 | P0 = Pt; |
---|
| 503 | } |
---|
| 504 | |
---|
| 505 | if(r2!=1) |
---|
| 506 | free(P0); |
---|
| 507 | free(P1); |
---|
| 508 | |
---|
| 509 | size_t exactDataNum = exactDataByteArray->size; |
---|
| 510 | |
---|
| 511 | TightDataPointStorageI* tdps; |
---|
| 512 | |
---|
| 513 | new_TightDataPointStorageI(&tdps, dataLength, exactDataNum, byteSize, |
---|
| 514 | type, exactDataByteArray->array, exactDataByteArray->size, |
---|
| 515 | realPrecision, minValue, quantization_intervals, SZ_INT64); |
---|
| 516 | |
---|
| 517 | //free memory |
---|
| 518 | free(type); |
---|
| 519 | free(exactDataByteArray); //exactDataByteArray->array has been released in free_TightDataPointStorageF(tdps); |
---|
| 520 | |
---|
| 521 | return tdps; |
---|
| 522 | } |
---|
| 523 | |
---|
| 524 | /** |
---|
| 525 | * |
---|
| 526 | * Note: @r1 is high dimension |
---|
| 527 | * @r2 is low dimension |
---|
| 528 | * */ |
---|
| 529 | void SZ_compress_args_int64_NoCkRngeNoGzip_2D(unsigned char** newByteData, int64_t *oriData, size_t r1, size_t r2, double realPrecision, size_t *outSize, |
---|
| 530 | int64_t valueRangeSize, int64_t minValue) |
---|
| 531 | { |
---|
| 532 | TightDataPointStorageI* tdps = SZ_compress_int64_2D_MDQ(oriData, r1, r2, realPrecision, valueRangeSize, minValue); |
---|
| 533 | |
---|
| 534 | convertTDPStoFlatBytes_int(tdps, newByteData, outSize); |
---|
| 535 | |
---|
| 536 | size_t dataLength = r1*r2; |
---|
| 537 | if(*outSize>dataLength*sizeof(int64_t)) |
---|
| 538 | SZ_compress_args_int64_StoreOriData(oriData, dataLength, tdps, newByteData, outSize); |
---|
| 539 | |
---|
| 540 | free_TightDataPointStorageI(tdps); |
---|
| 541 | } |
---|
| 542 | |
---|
| 543 | TightDataPointStorageI* SZ_compress_int64_3D_MDQ(int64_t *oriData, size_t r1, size_t r2, size_t r3, double realPrecision, int64_t valueRangeSize, int64_t minValue) |
---|
| 544 | { |
---|
| 545 | unsigned char bytes[8] = {0,0,0,0,0,0,0,0}; |
---|
| 546 | int byteSize = computeByteSizePerIntValue(valueRangeSize); |
---|
| 547 | |
---|
| 548 | unsigned int quantization_intervals; |
---|
| 549 | if(exe_params->optQuantMode==1) |
---|
| 550 | { |
---|
| 551 | quantization_intervals = optimize_intervals_int64_3D(oriData, r1, r2, r3, realPrecision); |
---|
| 552 | updateQuantizationInfo(quantization_intervals); |
---|
| 553 | } |
---|
| 554 | else |
---|
| 555 | quantization_intervals = exe_params->intvCapacity; |
---|
| 556 | size_t i,j,k; |
---|
| 557 | int64_t pred1D, pred2D, pred3D, curValue; |
---|
| 558 | int64_t diff = 0.0; |
---|
| 559 | double itvNum = 0; |
---|
| 560 | int64_t *P0, *P1; |
---|
| 561 | |
---|
| 562 | size_t dataLength = r1*r2*r3; |
---|
| 563 | |
---|
| 564 | size_t r23 = r2*r3; |
---|
| 565 | P0 = (int64_t*)malloc(r23*sizeof(int64_t)); |
---|
| 566 | P1 = (int64_t*)malloc(r23*sizeof(int64_t)); |
---|
| 567 | |
---|
| 568 | int* type = (int*) malloc(dataLength*sizeof(int)); |
---|
| 569 | |
---|
| 570 | int64_t* spaceFillingValue = oriData; // |
---|
| 571 | |
---|
| 572 | DynamicByteArray *exactDataByteArray; |
---|
| 573 | new_DBA(&exactDataByteArray, DynArrayInitLen); |
---|
| 574 | |
---|
| 575 | type[0] = 0; |
---|
| 576 | P1[0] = spaceFillingValue[0]; |
---|
| 577 | compressInt64Value(spaceFillingValue[0], minValue, byteSize, bytes); |
---|
| 578 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
| 579 | |
---|
| 580 | /* Process Row-0 data 1*/ |
---|
| 581 | pred1D = P1[0]; |
---|
| 582 | diff = spaceFillingValue[1] - pred1D; |
---|
| 583 | |
---|
| 584 | itvNum = llabs(diff)/realPrecision + 1; |
---|
| 585 | |
---|
| 586 | if (itvNum < exe_params->intvCapacity) |
---|
| 587 | { |
---|
| 588 | if (diff < 0) itvNum = -itvNum; |
---|
| 589 | type[1] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 590 | P1[1] = pred1D + 2 * (type[1] - exe_params->intvRadius) * realPrecision; |
---|
| 591 | } |
---|
| 592 | else |
---|
| 593 | { |
---|
| 594 | type[1] = 0; |
---|
| 595 | curValue = P1[1] = spaceFillingValue[1]; |
---|
| 596 | compressInt64Value(curValue, minValue, byteSize, bytes); |
---|
| 597 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
| 598 | } |
---|
| 599 | |
---|
| 600 | /* Process Row-0 data 2 --> data r3-1 */ |
---|
| 601 | for (j = 2; j < r3; j++) |
---|
| 602 | { |
---|
| 603 | pred1D = 2*P1[j-1] - P1[j-2]; |
---|
| 604 | diff = spaceFillingValue[j] - pred1D; |
---|
| 605 | |
---|
| 606 | itvNum = llabs(diff)/realPrecision + 1; |
---|
| 607 | |
---|
| 608 | if (itvNum < exe_params->intvCapacity) |
---|
| 609 | { |
---|
| 610 | if (diff < 0) itvNum = -itvNum; |
---|
| 611 | type[j] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 612 | P1[j] = pred1D + 2 * (type[j] - exe_params->intvRadius) * realPrecision; |
---|
| 613 | } |
---|
| 614 | else |
---|
| 615 | { |
---|
| 616 | type[j] = 0; |
---|
| 617 | curValue = P1[j] = spaceFillingValue[j]; |
---|
| 618 | compressInt64Value(curValue, minValue, byteSize, bytes); |
---|
| 619 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
| 620 | } |
---|
| 621 | } |
---|
| 622 | |
---|
| 623 | /* Process Row-1 --> Row-r2-1 */ |
---|
| 624 | size_t index; |
---|
| 625 | for (i = 1; i < r2; i++) |
---|
| 626 | { |
---|
| 627 | /* Process row-i data 0 */ |
---|
| 628 | index = i*r3; |
---|
| 629 | pred1D = P1[index-r3]; |
---|
| 630 | diff = spaceFillingValue[index] - pred1D; |
---|
| 631 | |
---|
| 632 | itvNum = llabs(diff)/realPrecision + 1; |
---|
| 633 | |
---|
| 634 | if (itvNum < exe_params->intvCapacity) |
---|
| 635 | { |
---|
| 636 | if (diff < 0) itvNum = -itvNum; |
---|
| 637 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 638 | P1[index] = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 639 | } |
---|
| 640 | else |
---|
| 641 | { |
---|
| 642 | type[index] = 0; |
---|
| 643 | curValue = P1[index] = spaceFillingValue[index]; |
---|
| 644 | compressInt64Value(curValue, minValue, byteSize, bytes); |
---|
| 645 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
| 646 | } |
---|
| 647 | |
---|
| 648 | /* Process row-i data 1 --> data r3-1*/ |
---|
| 649 | for (j = 1; j < r3; j++) |
---|
| 650 | { |
---|
| 651 | index = i*r3+j; |
---|
| 652 | pred2D = P1[index-1] + P1[index-r3] - P1[index-r3-1]; |
---|
| 653 | |
---|
| 654 | diff = spaceFillingValue[index] - pred2D; |
---|
| 655 | |
---|
| 656 | itvNum = llabs(diff)/realPrecision + 1; |
---|
| 657 | |
---|
| 658 | if (itvNum < exe_params->intvCapacity) |
---|
| 659 | { |
---|
| 660 | if (diff < 0) itvNum = -itvNum; |
---|
| 661 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 662 | P1[index] = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 663 | } |
---|
| 664 | else |
---|
| 665 | { |
---|
| 666 | type[index] = 0; |
---|
| 667 | curValue = P1[index] = spaceFillingValue[index]; |
---|
| 668 | compressInt64Value(curValue, minValue, byteSize, bytes); |
---|
| 669 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
| 670 | } |
---|
| 671 | } |
---|
| 672 | } |
---|
| 673 | |
---|
| 674 | |
---|
| 675 | /////////////////////////// Process layer-1 --> layer-r1-1 /////////////////////////// |
---|
| 676 | |
---|
| 677 | for (k = 1; k < r1; k++) |
---|
| 678 | { |
---|
| 679 | /* Process Row-0 data 0*/ |
---|
| 680 | index = k*r23; |
---|
| 681 | pred1D = P1[0]; |
---|
| 682 | diff = spaceFillingValue[index] - pred1D; |
---|
| 683 | |
---|
| 684 | itvNum = llabs(diff)/realPrecision + 1; |
---|
| 685 | |
---|
| 686 | if (itvNum < exe_params->intvCapacity) |
---|
| 687 | { |
---|
| 688 | if (diff < 0) itvNum = -itvNum; |
---|
| 689 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 690 | P0[0] = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 691 | } |
---|
| 692 | else |
---|
| 693 | { |
---|
| 694 | type[index] = 0; |
---|
| 695 | curValue = P0[0] = spaceFillingValue[index]; |
---|
| 696 | compressInt64Value(curValue, minValue, byteSize, bytes); |
---|
| 697 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
| 698 | } |
---|
| 699 | |
---|
| 700 | |
---|
| 701 | /* Process Row-0 data 1 --> data r3-1 */ |
---|
| 702 | for (j = 1; j < r3; j++) |
---|
| 703 | { |
---|
| 704 | //index = k*r2*r3+j; |
---|
| 705 | index ++; |
---|
| 706 | pred2D = P0[j-1] + P1[j] - P1[j-1]; |
---|
| 707 | diff = spaceFillingValue[index] - pred2D; |
---|
| 708 | |
---|
| 709 | itvNum = llabs(diff)/realPrecision + 1; |
---|
| 710 | |
---|
| 711 | if (itvNum < exe_params->intvCapacity) |
---|
| 712 | { |
---|
| 713 | if (diff < 0) itvNum = -itvNum; |
---|
| 714 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 715 | P0[j] = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 716 | /* if(type[index]==0) |
---|
| 717 | printf("err:type[%d]=0, index4\n", index); */ |
---|
| 718 | } |
---|
| 719 | else |
---|
| 720 | { |
---|
| 721 | type[index] = 0; |
---|
| 722 | curValue = P0[j] = spaceFillingValue[index]; |
---|
| 723 | compressInt64Value(curValue, minValue, byteSize, bytes); |
---|
| 724 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
| 725 | } |
---|
| 726 | } |
---|
| 727 | |
---|
| 728 | /* Process Row-1 --> Row-r2-1 */ |
---|
| 729 | size_t index2D; |
---|
| 730 | for (i = 1; i < r2; i++) |
---|
| 731 | { |
---|
| 732 | /* Process Row-i data 0 */ |
---|
| 733 | index = k*r23 + i*r3; |
---|
| 734 | index2D = i*r3; |
---|
| 735 | pred2D = P0[index2D-r3] + P1[index2D] - P1[index2D-r3]; |
---|
| 736 | diff = spaceFillingValue[index] - pred2D; |
---|
| 737 | |
---|
| 738 | itvNum = llabs(diff)/realPrecision + 1; |
---|
| 739 | |
---|
| 740 | if (itvNum < exe_params->intvCapacity) |
---|
| 741 | { |
---|
| 742 | if (diff < 0) itvNum = -itvNum; |
---|
| 743 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 744 | P0[index2D] = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 745 | } |
---|
| 746 | else |
---|
| 747 | { |
---|
| 748 | type[index] = 0; |
---|
| 749 | curValue = P0[index2D] = spaceFillingValue[index]; |
---|
| 750 | compressInt64Value(curValue, minValue, byteSize, bytes); |
---|
| 751 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
| 752 | } |
---|
| 753 | |
---|
| 754 | /* Process Row-i data 1 --> data r3-1 */ |
---|
| 755 | for (j = 1; j < r3; j++) |
---|
| 756 | { |
---|
| 757 | // if(k==63&&i==43&&j==27) |
---|
| 758 | // printf("i=%d\n", i); |
---|
| 759 | //index = k*r2*r3 + i*r3 + j; |
---|
| 760 | index ++; |
---|
| 761 | index2D = i*r3 + j; |
---|
| 762 | pred3D = P0[index2D-1] + P0[index2D-r3]+ P1[index2D] - P0[index2D-r3-1] - P1[index2D-r3] - P1[index2D-1] + P1[index2D-r3-1]; |
---|
| 763 | diff = spaceFillingValue[index] - pred3D; |
---|
| 764 | |
---|
| 765 | itvNum = llabs(diff)/realPrecision + 1; |
---|
| 766 | |
---|
| 767 | if (itvNum < exe_params->intvCapacity) |
---|
| 768 | { |
---|
| 769 | if (diff < 0) itvNum = -itvNum; |
---|
| 770 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 771 | P0[index2D] = pred3D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 772 | } |
---|
| 773 | else |
---|
| 774 | { |
---|
| 775 | type[index] = 0; |
---|
| 776 | curValue = P0[index2D] = spaceFillingValue[index]; |
---|
| 777 | compressInt64Value(curValue, minValue, byteSize, bytes); |
---|
| 778 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
| 779 | } |
---|
| 780 | } |
---|
| 781 | } |
---|
| 782 | |
---|
| 783 | int64_t *Pt; |
---|
| 784 | Pt = P1; |
---|
| 785 | P1 = P0; |
---|
| 786 | P0 = Pt; |
---|
| 787 | } |
---|
| 788 | if(r23!=1) |
---|
| 789 | free(P0); |
---|
| 790 | free(P1); |
---|
| 791 | |
---|
| 792 | size_t exactDataNum = exactDataByteArray->size; |
---|
| 793 | |
---|
| 794 | TightDataPointStorageI* tdps; |
---|
| 795 | |
---|
| 796 | new_TightDataPointStorageI(&tdps, dataLength, exactDataNum, byteSize, |
---|
| 797 | type, exactDataByteArray->array, exactDataByteArray->size, |
---|
| 798 | realPrecision, minValue, quantization_intervals, SZ_INT64); |
---|
| 799 | |
---|
| 800 | //free memory |
---|
| 801 | free(type); |
---|
| 802 | free(exactDataByteArray); //exactDataByteArray->array has been released in free_TightDataPointStorageF(tdps); |
---|
| 803 | |
---|
| 804 | return tdps; |
---|
| 805 | } |
---|
| 806 | |
---|
| 807 | |
---|
| 808 | void SZ_compress_args_int64_NoCkRngeNoGzip_3D(unsigned char** newByteData, int64_t *oriData, size_t r1, size_t r2, size_t r3, double realPrecision, size_t *outSize, |
---|
| 809 | int64_t valueRangeSize, int64_t minValue) |
---|
| 810 | { |
---|
| 811 | TightDataPointStorageI* tdps = SZ_compress_int64_3D_MDQ(oriData, r1, r2, r3, realPrecision, valueRangeSize, minValue); |
---|
| 812 | |
---|
| 813 | convertTDPStoFlatBytes_int(tdps, newByteData, outSize); |
---|
| 814 | |
---|
| 815 | size_t dataLength = r1*r2*r3; |
---|
| 816 | if(*outSize>dataLength*sizeof(int64_t)) |
---|
| 817 | SZ_compress_args_int64_StoreOriData(oriData, dataLength, tdps, newByteData, outSize); |
---|
| 818 | |
---|
| 819 | free_TightDataPointStorageI(tdps); |
---|
| 820 | } |
---|
| 821 | |
---|
| 822 | |
---|
| 823 | TightDataPointStorageI* SZ_compress_int64_4D_MDQ(int64_t *oriData, size_t r1, size_t r2, size_t r3, size_t r4, double realPrecision, int64_t valueRangeSize, int64_t minValue) |
---|
| 824 | { |
---|
| 825 | unsigned char bytes[8] = {0,0,0,0,0,0,0,0}; |
---|
| 826 | int byteSize = computeByteSizePerIntValue(valueRangeSize); |
---|
| 827 | |
---|
| 828 | unsigned int quantization_intervals; |
---|
| 829 | if(exe_params->optQuantMode==1) |
---|
| 830 | { |
---|
| 831 | quantization_intervals = optimize_intervals_int64_4D(oriData, r1, r2, r3, r4, realPrecision); |
---|
| 832 | updateQuantizationInfo(quantization_intervals); |
---|
| 833 | } |
---|
| 834 | else |
---|
| 835 | quantization_intervals = exe_params->intvCapacity; |
---|
| 836 | size_t i,j,k; |
---|
| 837 | int64_t pred1D, pred2D, pred3D, curValue; |
---|
| 838 | int64_t diff = 0.0; |
---|
| 839 | double itvNum = 0; |
---|
| 840 | int64_t *P0, *P1; |
---|
| 841 | |
---|
| 842 | size_t dataLength = r1*r2*r3*r4; |
---|
| 843 | |
---|
| 844 | size_t r234 = r2*r3*r4; |
---|
| 845 | size_t r34 = r3*r4; |
---|
| 846 | |
---|
| 847 | P0 = (int64_t*)malloc(r34*sizeof(int64_t)); |
---|
| 848 | P1 = (int64_t*)malloc(r34*sizeof(int64_t)); |
---|
| 849 | |
---|
| 850 | int* type = (int*) malloc(dataLength*sizeof(int)); |
---|
| 851 | |
---|
| 852 | int64_t* spaceFillingValue = oriData; // |
---|
| 853 | |
---|
| 854 | DynamicByteArray *exactDataByteArray; |
---|
| 855 | new_DBA(&exactDataByteArray, DynArrayInitLen); |
---|
| 856 | |
---|
| 857 | size_t l; |
---|
| 858 | for (l = 0; l < r1; l++) |
---|
| 859 | { |
---|
| 860 | |
---|
| 861 | /////////////////////////// Process layer-0 /////////////////////////// |
---|
| 862 | /* Process Row-0 data 0*/ |
---|
| 863 | size_t index = l*r234; |
---|
| 864 | size_t index2D = 0; |
---|
| 865 | |
---|
| 866 | type[index] = 0; |
---|
| 867 | curValue = P1[index2D] = spaceFillingValue[index]; |
---|
| 868 | compressInt64Value(curValue, minValue, byteSize, bytes); |
---|
| 869 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
| 870 | |
---|
| 871 | /* Process Row-0 data 1*/ |
---|
| 872 | index = l*r234+1; |
---|
| 873 | index2D = 1; |
---|
| 874 | |
---|
| 875 | pred1D = P1[index2D-1]; |
---|
| 876 | diff = curValue - pred1D; |
---|
| 877 | |
---|
| 878 | itvNum = llabs(diff)/realPrecision + 1; |
---|
| 879 | |
---|
| 880 | if (itvNum < exe_params->intvCapacity) |
---|
| 881 | { |
---|
| 882 | if (diff < 0) itvNum = -itvNum; |
---|
| 883 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 884 | P1[index2D] = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 885 | } |
---|
| 886 | else |
---|
| 887 | { |
---|
| 888 | type[index] = 0; |
---|
| 889 | |
---|
| 890 | curValue = P1[index2D] = spaceFillingValue[0]; |
---|
| 891 | compressInt64Value(curValue, minValue, byteSize, bytes); |
---|
| 892 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
| 893 | } |
---|
| 894 | |
---|
| 895 | /* Process Row-0 data 2 --> data r4-1 */ |
---|
| 896 | for (j = 2; j < r4; j++) |
---|
| 897 | { |
---|
| 898 | index = l*r234+j; |
---|
| 899 | index2D = j; |
---|
| 900 | |
---|
| 901 | pred1D = 2*P1[index2D-1] - P1[index2D-2]; |
---|
| 902 | diff = spaceFillingValue[index] - pred1D; |
---|
| 903 | |
---|
| 904 | itvNum = llabs(diff)/realPrecision + 1; |
---|
| 905 | |
---|
| 906 | if (itvNum < exe_params->intvCapacity) |
---|
| 907 | { |
---|
| 908 | if (diff < 0) itvNum = -itvNum; |
---|
| 909 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 910 | P1[index2D] = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 911 | } |
---|
| 912 | else |
---|
| 913 | { |
---|
| 914 | type[index] = 0; |
---|
| 915 | |
---|
| 916 | curValue = P1[index2D] = spaceFillingValue[0]; |
---|
| 917 | compressInt64Value(curValue, minValue, byteSize, bytes); |
---|
| 918 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
| 919 | } |
---|
| 920 | } |
---|
| 921 | |
---|
| 922 | /* Process Row-1 --> Row-r3-1 */ |
---|
| 923 | for (i = 1; i < r3; i++) |
---|
| 924 | { |
---|
| 925 | /* Process row-i data 0 */ |
---|
| 926 | index = l*r234+i*r4; |
---|
| 927 | index2D = i*r4; |
---|
| 928 | |
---|
| 929 | pred1D = P1[index2D-r4]; |
---|
| 930 | diff = spaceFillingValue[index] - pred1D; |
---|
| 931 | |
---|
| 932 | itvNum = llabs(diff)/realPrecision + 1; |
---|
| 933 | |
---|
| 934 | if (itvNum < exe_params->intvCapacity) |
---|
| 935 | { |
---|
| 936 | if (diff < 0) itvNum = -itvNum; |
---|
| 937 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 938 | P1[index2D] = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 939 | } |
---|
| 940 | else |
---|
| 941 | { |
---|
| 942 | type[index] = 0; |
---|
| 943 | |
---|
| 944 | curValue = P1[index2D] = spaceFillingValue[0]; |
---|
| 945 | compressInt64Value(curValue, minValue, byteSize, bytes); |
---|
| 946 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
| 947 | } |
---|
| 948 | |
---|
| 949 | /* Process row-i data 1 --> data r4-1*/ |
---|
| 950 | for (j = 1; j < r4; j++) |
---|
| 951 | { |
---|
| 952 | index = l*r234+i*r4+j; |
---|
| 953 | index2D = i*r4+j; |
---|
| 954 | |
---|
| 955 | pred2D = P1[index2D-1] + P1[index2D-r4] - P1[index2D-r4-1]; |
---|
| 956 | |
---|
| 957 | diff = spaceFillingValue[index] - pred2D; |
---|
| 958 | |
---|
| 959 | itvNum = llabs(diff)/realPrecision + 1; |
---|
| 960 | |
---|
| 961 | if (itvNum < exe_params->intvCapacity) |
---|
| 962 | { |
---|
| 963 | if (diff < 0) itvNum = -itvNum; |
---|
| 964 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 965 | P1[index2D] = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 966 | } |
---|
| 967 | else |
---|
| 968 | { |
---|
| 969 | type[index] = 0; |
---|
| 970 | |
---|
| 971 | curValue = P1[index2D] = spaceFillingValue[0]; |
---|
| 972 | compressInt64Value(curValue, minValue, byteSize, bytes); |
---|
| 973 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
| 974 | } |
---|
| 975 | } |
---|
| 976 | } |
---|
| 977 | |
---|
| 978 | |
---|
| 979 | /////////////////////////// Process layer-1 --> layer-r2-1 /////////////////////////// |
---|
| 980 | |
---|
| 981 | for (k = 1; k < r2; k++) |
---|
| 982 | { |
---|
| 983 | /* Process Row-0 data 0*/ |
---|
| 984 | index = l*r234+k*r34; |
---|
| 985 | index2D = 0; |
---|
| 986 | |
---|
| 987 | pred1D = P1[index2D]; |
---|
| 988 | diff = spaceFillingValue[index] - pred1D; |
---|
| 989 | |
---|
| 990 | itvNum = llabs(diff)/realPrecision + 1; |
---|
| 991 | |
---|
| 992 | if (itvNum < exe_params->intvCapacity) |
---|
| 993 | { |
---|
| 994 | if (diff < 0) itvNum = -itvNum; |
---|
| 995 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 996 | P0[index2D] = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 997 | } |
---|
| 998 | else |
---|
| 999 | { |
---|
| 1000 | type[index] = 0; |
---|
| 1001 | |
---|
| 1002 | curValue = P0[index2D] = spaceFillingValue[0]; |
---|
| 1003 | compressInt64Value(curValue, minValue, byteSize, bytes); |
---|
| 1004 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
| 1005 | } |
---|
| 1006 | |
---|
| 1007 | /* Process Row-0 data 1 --> data r4-1 */ |
---|
| 1008 | for (j = 1; j < r4; j++) |
---|
| 1009 | { |
---|
| 1010 | index = l*r234+k*r34+j; |
---|
| 1011 | index2D = j; |
---|
| 1012 | |
---|
| 1013 | pred2D = P0[index2D-1] + P1[index2D] - P1[index2D-1]; |
---|
| 1014 | diff = spaceFillingValue[index] - pred2D; |
---|
| 1015 | |
---|
| 1016 | itvNum = llabs(diff)/realPrecision + 1; |
---|
| 1017 | |
---|
| 1018 | if (itvNum < exe_params->intvCapacity) |
---|
| 1019 | { |
---|
| 1020 | if (diff < 0) itvNum = -itvNum; |
---|
| 1021 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 1022 | P0[index2D] = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 1023 | } |
---|
| 1024 | else |
---|
| 1025 | { |
---|
| 1026 | type[index] = 0; |
---|
| 1027 | |
---|
| 1028 | curValue = P0[index2D] = spaceFillingValue[0]; |
---|
| 1029 | compressInt64Value(curValue, minValue, byteSize, bytes); |
---|
| 1030 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
| 1031 | } |
---|
| 1032 | } |
---|
| 1033 | |
---|
| 1034 | /* Process Row-1 --> Row-r3-1 */ |
---|
| 1035 | for (i = 1; i < r3; i++) |
---|
| 1036 | { |
---|
| 1037 | /* Process Row-i data 0 */ |
---|
| 1038 | index = l*r234+k*r34+i*r4; |
---|
| 1039 | index2D = i*r4; |
---|
| 1040 | |
---|
| 1041 | pred2D = P0[index2D-r4] + P1[index2D] - P1[index2D-r4]; |
---|
| 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 | P0[index2D] = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 1051 | } |
---|
| 1052 | else |
---|
| 1053 | { |
---|
| 1054 | type[index] = 0; |
---|
| 1055 | |
---|
| 1056 | curValue = P0[index2D] = spaceFillingValue[0]; |
---|
| 1057 | compressInt64Value(curValue, minValue, byteSize, bytes); |
---|
| 1058 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
| 1059 | } |
---|
| 1060 | |
---|
| 1061 | /* Process Row-i data 1 --> data r4-1 */ |
---|
| 1062 | for (j = 1; j < r4; j++) |
---|
| 1063 | { |
---|
| 1064 | index = l*r234+k*r34+i*r4+j; |
---|
| 1065 | index2D = i*r4+j; |
---|
| 1066 | |
---|
| 1067 | pred3D = P0[index2D-1] + P0[index2D-r4]+ P1[index2D] - P0[index2D-r4-1] - P1[index2D-r4] - P1[index2D-1] + P1[index2D-r4-1]; |
---|
| 1068 | diff = spaceFillingValue[index] - pred3D; |
---|
| 1069 | |
---|
| 1070 | |
---|
| 1071 | itvNum = llabs(diff)/realPrecision + 1; |
---|
| 1072 | |
---|
| 1073 | if (itvNum < exe_params->intvCapacity) |
---|
| 1074 | { |
---|
| 1075 | if (diff < 0) itvNum = -itvNum; |
---|
| 1076 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 1077 | P0[index2D] = pred3D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 1078 | } |
---|
| 1079 | else |
---|
| 1080 | { |
---|
| 1081 | type[index] = 0; |
---|
| 1082 | |
---|
| 1083 | curValue = P0[index2D] = spaceFillingValue[0]; |
---|
| 1084 | compressInt64Value(curValue, minValue, byteSize, bytes); |
---|
| 1085 | memcpyDBA_Data(exactDataByteArray, bytes, byteSize); |
---|
| 1086 | } |
---|
| 1087 | } |
---|
| 1088 | } |
---|
| 1089 | |
---|
| 1090 | int64_t *Pt; |
---|
| 1091 | Pt = P1; |
---|
| 1092 | P1 = P0; |
---|
| 1093 | P0 = Pt; |
---|
| 1094 | } |
---|
| 1095 | } |
---|
| 1096 | |
---|
| 1097 | free(P0); |
---|
| 1098 | free(P1); |
---|
| 1099 | |
---|
| 1100 | size_t exactDataNum = exactDataByteArray->size; |
---|
| 1101 | |
---|
| 1102 | TightDataPointStorageI* tdps; |
---|
| 1103 | |
---|
| 1104 | new_TightDataPointStorageI(&tdps, dataLength, exactDataNum, byteSize, |
---|
| 1105 | type, exactDataByteArray->array, exactDataByteArray->size, |
---|
| 1106 | realPrecision, minValue, quantization_intervals, SZ_INT64); |
---|
| 1107 | |
---|
| 1108 | //free memory |
---|
| 1109 | free(type); |
---|
| 1110 | free(exactDataByteArray); //exactDataByteArray->array has been released in free_TightDataPointStorageF(tdps); |
---|
| 1111 | |
---|
| 1112 | return tdps; |
---|
| 1113 | } |
---|
| 1114 | |
---|
| 1115 | void SZ_compress_args_int64_NoCkRngeNoGzip_4D(unsigned char** newByteData, int64_t *oriData, size_t r1, size_t r2, size_t r3, size_t r4, double realPrecision, |
---|
| 1116 | size_t *outSize, int64_t valueRangeSize, int64_t minValue) |
---|
| 1117 | { |
---|
| 1118 | TightDataPointStorageI* tdps = SZ_compress_int64_4D_MDQ(oriData, r1, r2, r3, r4, realPrecision, valueRangeSize, minValue); |
---|
| 1119 | |
---|
| 1120 | convertTDPStoFlatBytes_int(tdps, newByteData, outSize); |
---|
| 1121 | |
---|
| 1122 | size_t dataLength = r1*r2*r3*r4; |
---|
| 1123 | if(*outSize>dataLength*sizeof(int64_t)) |
---|
| 1124 | SZ_compress_args_int64_StoreOriData(oriData, dataLength, tdps, newByteData, outSize); |
---|
| 1125 | |
---|
| 1126 | free_TightDataPointStorageI(tdps); |
---|
| 1127 | } |
---|
| 1128 | |
---|
| 1129 | void SZ_compress_args_int64_withinRange(unsigned char** newByteData, int64_t *oriData, size_t dataLength, size_t *outSize) |
---|
| 1130 | { |
---|
| 1131 | TightDataPointStorageI* tdps = (TightDataPointStorageI*) malloc(sizeof(TightDataPointStorageI)); |
---|
| 1132 | tdps->typeArray = NULL; |
---|
| 1133 | |
---|
| 1134 | tdps->allSameData = 1; |
---|
| 1135 | tdps->dataSeriesLength = dataLength; |
---|
| 1136 | tdps->exactDataBytes = (unsigned char*)malloc(sizeof(unsigned char)*8); |
---|
| 1137 | tdps->isLossless = 0; |
---|
| 1138 | //tdps->exactByteSize = 4; |
---|
| 1139 | tdps->exactDataNum = 1; |
---|
| 1140 | tdps->exactDataBytes_size = 8; |
---|
| 1141 | |
---|
| 1142 | int64_t value = oriData[0]; |
---|
| 1143 | int64ToBytes_bigEndian(tdps->exactDataBytes, value); |
---|
| 1144 | |
---|
| 1145 | size_t tmpOutSize; |
---|
| 1146 | convertTDPStoFlatBytes_int(tdps, newByteData, &tmpOutSize); |
---|
| 1147 | |
---|
| 1148 | *outSize = tmpOutSize;//3+1+sizeof(int64_t)+SZ_SIZE_TYPE; //8==3+1+4(int64_size) |
---|
| 1149 | free_TightDataPointStorageI(tdps); |
---|
| 1150 | } |
---|
| 1151 | |
---|
| 1152 | int SZ_compress_args_int64_wRngeNoGzip(unsigned char** newByteData, int64_t *oriData, |
---|
| 1153 | size_t r5, size_t r4, size_t r3, size_t r2, size_t r1, size_t *outSize, |
---|
| 1154 | int errBoundMode, double absErr_Bound, double relBoundRatio) |
---|
| 1155 | { |
---|
| 1156 | int status = SZ_SCES; |
---|
| 1157 | size_t dataLength = computeDataLength(r5,r4,r3,r2,r1); |
---|
| 1158 | int64_t valueRangeSize = 0; |
---|
| 1159 | |
---|
| 1160 | int64_t minValue = computeRangeSize_int(oriData, SZ_INT64, dataLength, &valueRangeSize); |
---|
| 1161 | double realPrecision = getRealPrecision_int(valueRangeSize, errBoundMode, absErr_Bound, relBoundRatio, &status); |
---|
| 1162 | |
---|
| 1163 | if(valueRangeSize <= realPrecision) |
---|
| 1164 | { |
---|
| 1165 | SZ_compress_args_int64_withinRange(newByteData, oriData, dataLength, outSize); |
---|
| 1166 | } |
---|
| 1167 | else |
---|
| 1168 | { |
---|
| 1169 | // SZ_compress_args_int64_NoCkRngeNoGzip_2D(newByteData, oriData, r2, r1, realPrecision, outSize); |
---|
| 1170 | if(r5==0&&r4==0&&r3==0&&r2==0) |
---|
| 1171 | { |
---|
| 1172 | SZ_compress_args_int64_NoCkRngeNoGzip_1D(newByteData, oriData, r1, realPrecision, outSize, valueRangeSize, minValue); |
---|
| 1173 | } |
---|
| 1174 | else if(r5==0&&r4==0&&r3==0) |
---|
| 1175 | { |
---|
| 1176 | SZ_compress_args_int64_NoCkRngeNoGzip_2D(newByteData, oriData, r2, r1, realPrecision, outSize, valueRangeSize, minValue); |
---|
| 1177 | } |
---|
| 1178 | else if(r5==0&&r4==0) |
---|
| 1179 | { |
---|
| 1180 | SZ_compress_args_int64_NoCkRngeNoGzip_3D(newByteData, oriData, r3, r2, r1, realPrecision, outSize, valueRangeSize, minValue); |
---|
| 1181 | } |
---|
| 1182 | else if(r5==0) |
---|
| 1183 | { |
---|
| 1184 | SZ_compress_args_int64_NoCkRngeNoGzip_3D(newByteData, oriData, r4*r3, r2, r1, realPrecision, outSize, valueRangeSize, minValue); |
---|
| 1185 | } |
---|
| 1186 | } |
---|
| 1187 | return status; |
---|
| 1188 | } |
---|
| 1189 | |
---|
| 1190 | int SZ_compress_args_int64(unsigned char** newByteData, int64_t *oriData, |
---|
| 1191 | size_t r5, size_t r4, size_t r3, size_t r2, size_t r1, size_t *outSize, |
---|
| 1192 | int errBoundMode, double absErr_Bound, double relBoundRatio) |
---|
| 1193 | { |
---|
| 1194 | confparams_cpr->errorBoundMode = errBoundMode; |
---|
| 1195 | |
---|
| 1196 | if(errBoundMode>=PW_REL) |
---|
| 1197 | { |
---|
| 1198 | printf("Error: Current SZ version doesn't support integer data compression with point-wise relative error bound being based on pwrType=AVG\n"); |
---|
| 1199 | exit(0); |
---|
| 1200 | return SZ_NSCS; |
---|
| 1201 | } |
---|
| 1202 | int status = SZ_SCES; |
---|
| 1203 | size_t dataLength = computeDataLength(r5,r4,r3,r2,r1); |
---|
| 1204 | int64_t valueRangeSize = 0; |
---|
| 1205 | |
---|
| 1206 | int64_t minValue = (int64_t)computeRangeSize_int(oriData, SZ_INT64, dataLength, &valueRangeSize); |
---|
| 1207 | double realPrecision = 0; |
---|
| 1208 | |
---|
| 1209 | if(confparams_cpr->errorBoundMode==PSNR) |
---|
| 1210 | { |
---|
| 1211 | confparams_cpr->errorBoundMode = ABS; |
---|
| 1212 | realPrecision = confparams_cpr->absErrBound = computeABSErrBoundFromPSNR(confparams_cpr->psnr, (double)confparams_cpr->predThreshold, (double)valueRangeSize); |
---|
| 1213 | //printf("realPrecision=%lf\n", realPrecision); |
---|
| 1214 | } |
---|
| 1215 | else |
---|
| 1216 | realPrecision = getRealPrecision_int(valueRangeSize, errBoundMode, absErr_Bound, relBoundRatio, &status); |
---|
| 1217 | |
---|
| 1218 | if(valueRangeSize <= realPrecision) |
---|
| 1219 | { |
---|
| 1220 | SZ_compress_args_int64_withinRange(newByteData, oriData, dataLength, outSize); |
---|
| 1221 | } |
---|
| 1222 | else |
---|
| 1223 | { |
---|
| 1224 | size_t tmpOutSize = 0; |
---|
| 1225 | unsigned char* tmpByteData; |
---|
| 1226 | if (r2==0) |
---|
| 1227 | { |
---|
| 1228 | SZ_compress_args_int64_NoCkRngeNoGzip_1D(&tmpByteData, oriData, r1, realPrecision, &tmpOutSize, valueRangeSize, minValue); |
---|
| 1229 | } |
---|
| 1230 | else |
---|
| 1231 | if (r3==0) |
---|
| 1232 | { |
---|
| 1233 | SZ_compress_args_int64_NoCkRngeNoGzip_2D(&tmpByteData, oriData, r2, r1, realPrecision, &tmpOutSize, valueRangeSize, minValue); |
---|
| 1234 | } |
---|
| 1235 | else |
---|
| 1236 | if (r4==0) |
---|
| 1237 | { |
---|
| 1238 | SZ_compress_args_int64_NoCkRngeNoGzip_3D(&tmpByteData, oriData, r3, r2, r1, realPrecision, &tmpOutSize, valueRangeSize, minValue); |
---|
| 1239 | } |
---|
| 1240 | else |
---|
| 1241 | if (r5==0) |
---|
| 1242 | { |
---|
| 1243 | SZ_compress_args_int64_NoCkRngeNoGzip_4D(&tmpByteData, oriData, r4, r3, r2, r1, realPrecision, &tmpOutSize, valueRangeSize, minValue); |
---|
| 1244 | } |
---|
| 1245 | else |
---|
| 1246 | { |
---|
| 1247 | printf("Error: doesn't support 5 dimensions for now.\n"); |
---|
| 1248 | status = SZ_DERR; //dimension error |
---|
| 1249 | } |
---|
| 1250 | //Call Gzip to do the further compression. |
---|
| 1251 | if(confparams_cpr->szMode==SZ_BEST_SPEED) |
---|
| 1252 | { |
---|
| 1253 | *outSize = tmpOutSize; |
---|
| 1254 | *newByteData = tmpByteData; |
---|
| 1255 | } |
---|
| 1256 | else if(confparams_cpr->szMode==SZ_BEST_COMPRESSION || confparams_cpr->szMode==SZ_DEFAULT_COMPRESSION) |
---|
| 1257 | { |
---|
[9ee2ce3] | 1258 | *outSize = sz_lossless_compress(confparams_cpr->losslessCompressor, confparams_cpr->gzipMode, tmpByteData, tmpOutSize, newByteData); |
---|
[2c47b73] | 1259 | free(tmpByteData); |
---|
| 1260 | } |
---|
| 1261 | else |
---|
| 1262 | { |
---|
| 1263 | printf("Error: Wrong setting of confparams_cpr->szMode in the int64_t compression.\n"); |
---|
| 1264 | status = SZ_MERR; //mode error |
---|
| 1265 | } |
---|
| 1266 | } |
---|
| 1267 | |
---|
| 1268 | return status; |
---|
| 1269 | } |
---|