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Diffstat (limited to 'src/zstd/programs/benchzstd.c')
| -rw-r--r-- | src/zstd/programs/benchzstd.c | 888 |
1 files changed, 888 insertions, 0 deletions
diff --git a/src/zstd/programs/benchzstd.c b/src/zstd/programs/benchzstd.c new file mode 100644 index 000000000..77056203d --- /dev/null +++ b/src/zstd/programs/benchzstd.c @@ -0,0 +1,888 @@ +/* + * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc. + * All rights reserved. + * + * This source code is licensed under both the BSD-style license (found in the + * LICENSE file in the root directory of this source tree) and the GPLv2 (found + * in the COPYING file in the root directory of this source tree). + * You may select, at your option, one of the above-listed licenses. + */ + + +/* ************************************** +* Tuning parameters +****************************************/ +#ifndef BMK_TIMETEST_DEFAULT_S /* default minimum time per test */ +#define BMK_TIMETEST_DEFAULT_S 3 +#endif + + +/* ************************************* +* Includes +***************************************/ +#include "platform.h" /* Large Files support */ +#include "util.h" /* UTIL_getFileSize, UTIL_sleep */ +#include <stdlib.h> /* malloc, free */ +#include <string.h> /* memset, strerror */ +#include <stdio.h> /* fprintf, fopen */ +#include <errno.h> +#include <assert.h> /* assert */ + +#include "timefn.h" /* UTIL_time_t */ +#include "benchfn.h" +#include "../lib/common/mem.h" +#define ZSTD_STATIC_LINKING_ONLY +#include "../lib/zstd.h" +#include "datagen.h" /* RDG_genBuffer */ +#include "../lib/common/xxhash.h" +#include "benchzstd.h" +#include "../lib/common/zstd_errors.h" + + +/* ************************************* +* Constants +***************************************/ +#ifndef ZSTD_GIT_COMMIT +# define ZSTD_GIT_COMMIT_STRING "" +#else +# define ZSTD_GIT_COMMIT_STRING ZSTD_EXPAND_AND_QUOTE(ZSTD_GIT_COMMIT) +#endif + +#define TIMELOOP_MICROSEC (1*1000000ULL) /* 1 second */ +#define TIMELOOP_NANOSEC (1*1000000000ULL) /* 1 second */ +#define ACTIVEPERIOD_MICROSEC (70*TIMELOOP_MICROSEC) /* 70 seconds */ +#define COOLPERIOD_SEC 10 + +#define KB *(1 <<10) +#define MB *(1 <<20) +#define GB *(1U<<30) + +#define BMK_RUNTEST_DEFAULT_MS 1000 + +static const size_t maxMemory = (sizeof(size_t)==4) ? + /* 32-bit */ (2 GB - 64 MB) : + /* 64-bit */ (size_t)(1ULL << ((sizeof(size_t)*8)-31)); + + +/* ************************************* +* console display +***************************************/ +#define DISPLAY(...) fprintf(stderr, __VA_ARGS__) +#define DISPLAYLEVEL(l, ...) if (displayLevel>=l) { DISPLAY(__VA_ARGS__); } +/* 0 : no display; 1: errors; 2 : + result + interaction + warnings; 3 : + progression; 4 : + information */ + +static const U64 g_refreshRate = SEC_TO_MICRO / 6; +static UTIL_time_t g_displayClock = UTIL_TIME_INITIALIZER; + +#define DISPLAYUPDATE(l, ...) { if (displayLevel>=l) { \ + if ((UTIL_clockSpanMicro(g_displayClock) > g_refreshRate) || (displayLevel>=4)) \ + { g_displayClock = UTIL_getTime(); DISPLAY(__VA_ARGS__); \ + if (displayLevel>=4) fflush(stderr); } } } + + +/* ************************************* +* Exceptions +***************************************/ +#ifndef DEBUG +# define DEBUG 0 +#endif +#define DEBUGOUTPUT(...) { if (DEBUG) DISPLAY(__VA_ARGS__); } + +#define RETURN_ERROR_INT(errorNum, ...) { \ + DEBUGOUTPUT("%s: %i: \n", __FILE__, __LINE__); \ + DISPLAYLEVEL(1, "Error %i : ", errorNum); \ + DISPLAYLEVEL(1, __VA_ARGS__); \ + DISPLAYLEVEL(1, " \n"); \ + return errorNum; \ +} + +#define CHECK_Z(zf) { \ + size_t const zerr = zf; \ + if (ZSTD_isError(zerr)) { \ + DEBUGOUTPUT("%s: %i: \n", __FILE__, __LINE__); \ + DISPLAY("Error : "); \ + DISPLAY("%s failed : %s", \ + #zf, ZSTD_getErrorName(zerr)); \ + DISPLAY(" \n"); \ + exit(1); \ + } \ +} + +#define RETURN_ERROR(errorNum, retType, ...) { \ + retType r; \ + memset(&r, 0, sizeof(retType)); \ + DEBUGOUTPUT("%s: %i: \n", __FILE__, __LINE__); \ + DISPLAYLEVEL(1, "Error %i : ", errorNum); \ + DISPLAYLEVEL(1, __VA_ARGS__); \ + DISPLAYLEVEL(1, " \n"); \ + r.tag = errorNum; \ + return r; \ +} + + +/* ************************************* +* Benchmark Parameters +***************************************/ + +BMK_advancedParams_t BMK_initAdvancedParams(void) { + BMK_advancedParams_t const res = { + BMK_both, /* mode */ + BMK_TIMETEST_DEFAULT_S, /* nbSeconds */ + 0, /* blockSize */ + 0, /* nbWorkers */ + 0, /* realTime */ + 0, /* additionalParam */ + 0, /* ldmFlag */ + 0, /* ldmMinMatch */ + 0, /* ldmHashLog */ + 0, /* ldmBuckSizeLog */ + 0, /* ldmHashRateLog */ + ZSTD_lcm_auto /* literalCompressionMode */ + }; + return res; +} + + +/* ******************************************************** +* Bench functions +**********************************************************/ +typedef struct { + const void* srcPtr; + size_t srcSize; + void* cPtr; + size_t cRoom; + size_t cSize; + void* resPtr; + size_t resSize; +} blockParam_t; + +#undef MIN +#undef MAX +#define MIN(a,b) ((a) < (b) ? (a) : (b)) +#define MAX(a,b) ((a) > (b) ? (a) : (b)) + +static void +BMK_initCCtx(ZSTD_CCtx* ctx, + const void* dictBuffer, size_t dictBufferSize, + int cLevel, + const ZSTD_compressionParameters* comprParams, + const BMK_advancedParams_t* adv) +{ + ZSTD_CCtx_reset(ctx, ZSTD_reset_session_and_parameters); + if (adv->nbWorkers==1) { + CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_nbWorkers, 0)); + } else { + CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_nbWorkers, adv->nbWorkers)); + } + CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_compressionLevel, cLevel)); + CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_enableLongDistanceMatching, adv->ldmFlag)); + CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_ldmMinMatch, adv->ldmMinMatch)); + CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_ldmHashLog, adv->ldmHashLog)); + CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_ldmBucketSizeLog, adv->ldmBucketSizeLog)); + CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_ldmHashRateLog, adv->ldmHashRateLog)); + CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_windowLog, (int)comprParams->windowLog)); + CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_hashLog, (int)comprParams->hashLog)); + CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_chainLog, (int)comprParams->chainLog)); + CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_searchLog, (int)comprParams->searchLog)); + CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_minMatch, (int)comprParams->minMatch)); + CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_targetLength, (int)comprParams->targetLength)); + CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_literalCompressionMode, (int)adv->literalCompressionMode)); + CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_strategy, comprParams->strategy)); + CHECK_Z(ZSTD_CCtx_loadDictionary(ctx, dictBuffer, dictBufferSize)); +} + +static void BMK_initDCtx(ZSTD_DCtx* dctx, + const void* dictBuffer, size_t dictBufferSize) { + CHECK_Z(ZSTD_DCtx_reset(dctx, ZSTD_reset_session_and_parameters)); + CHECK_Z(ZSTD_DCtx_loadDictionary(dctx, dictBuffer, dictBufferSize)); +} + + +typedef struct { + ZSTD_CCtx* cctx; + const void* dictBuffer; + size_t dictBufferSize; + int cLevel; + const ZSTD_compressionParameters* comprParams; + const BMK_advancedParams_t* adv; +} BMK_initCCtxArgs; + +static size_t local_initCCtx(void* payload) { + BMK_initCCtxArgs* ag = (BMK_initCCtxArgs*)payload; + BMK_initCCtx(ag->cctx, ag->dictBuffer, ag->dictBufferSize, ag->cLevel, ag->comprParams, ag->adv); + return 0; +} + +typedef struct { + ZSTD_DCtx* dctx; + const void* dictBuffer; + size_t dictBufferSize; +} BMK_initDCtxArgs; + +static size_t local_initDCtx(void* payload) { + BMK_initDCtxArgs* ag = (BMK_initDCtxArgs*)payload; + BMK_initDCtx(ag->dctx, ag->dictBuffer, ag->dictBufferSize); + return 0; +} + + +/* `addArgs` is the context */ +static size_t local_defaultCompress( + const void* srcBuffer, size_t srcSize, + void* dstBuffer, size_t dstSize, + void* addArgs) +{ + ZSTD_CCtx* const cctx = (ZSTD_CCtx*)addArgs; + return ZSTD_compress2(cctx, dstBuffer, dstSize, srcBuffer, srcSize); +} + +/* `addArgs` is the context */ +static size_t local_defaultDecompress( + const void* srcBuffer, size_t srcSize, + void* dstBuffer, size_t dstCapacity, + void* addArgs) +{ + size_t moreToFlush = 1; + ZSTD_DCtx* const dctx = (ZSTD_DCtx*)addArgs; + ZSTD_inBuffer in; + ZSTD_outBuffer out; + in.src = srcBuffer; in.size = srcSize; in.pos = 0; + out.dst = dstBuffer; out.size = dstCapacity; out.pos = 0; + while (moreToFlush) { + if(out.pos == out.size) { + return (size_t)-ZSTD_error_dstSize_tooSmall; + } + moreToFlush = ZSTD_decompressStream(dctx, &out, &in); + if (ZSTD_isError(moreToFlush)) { + return moreToFlush; + } + } + return out.pos; + +} + + +/* ================================================================= */ +/* Benchmark Zstandard, mem-to-mem scenarios */ +/* ================================================================= */ + +int BMK_isSuccessful_benchOutcome(BMK_benchOutcome_t outcome) +{ + return outcome.tag == 0; +} + +BMK_benchResult_t BMK_extract_benchResult(BMK_benchOutcome_t outcome) +{ + assert(outcome.tag == 0); + return outcome.internal_never_use_directly; +} + +static BMK_benchOutcome_t BMK_benchOutcome_error(void) +{ + BMK_benchOutcome_t b; + memset(&b, 0, sizeof(b)); + b.tag = 1; + return b; +} + +static BMK_benchOutcome_t BMK_benchOutcome_setValidResult(BMK_benchResult_t result) +{ + BMK_benchOutcome_t b; + b.tag = 0; + b.internal_never_use_directly = result; + return b; +} + + +/* benchMem with no allocation */ +static BMK_benchOutcome_t +BMK_benchMemAdvancedNoAlloc( + const void** srcPtrs, size_t* srcSizes, + void** cPtrs, size_t* cCapacities, size_t* cSizes, + void** resPtrs, size_t* resSizes, + void** resultBufferPtr, void* compressedBuffer, + size_t maxCompressedSize, + BMK_timedFnState_t* timeStateCompress, + BMK_timedFnState_t* timeStateDecompress, + + const void* srcBuffer, size_t srcSize, + const size_t* fileSizes, unsigned nbFiles, + const int cLevel, + const ZSTD_compressionParameters* comprParams, + const void* dictBuffer, size_t dictBufferSize, + ZSTD_CCtx* cctx, ZSTD_DCtx* dctx, + int displayLevel, const char* displayName, + const BMK_advancedParams_t* adv) +{ + size_t const blockSize = ((adv->blockSize>=32 && (adv->mode != BMK_decodeOnly)) ? adv->blockSize : srcSize) + (!srcSize); /* avoid div by 0 */ + BMK_benchResult_t benchResult; + size_t const loadedCompressedSize = srcSize; + size_t cSize = 0; + double ratio = 0.; + U32 nbBlocks; + + assert(cctx != NULL); assert(dctx != NULL); + + /* init */ + memset(&benchResult, 0, sizeof(benchResult)); + if (strlen(displayName)>17) displayName += strlen(displayName) - 17; /* display last 17 characters */ + if (adv->mode == BMK_decodeOnly) { /* benchmark only decompression : source must be already compressed */ + const char* srcPtr = (const char*)srcBuffer; + U64 totalDSize64 = 0; + U32 fileNb; + for (fileNb=0; fileNb<nbFiles; fileNb++) { + U64 const fSize64 = ZSTD_findDecompressedSize(srcPtr, fileSizes[fileNb]); + if (fSize64==0) RETURN_ERROR(32, BMK_benchOutcome_t, "Impossible to determine original size "); + totalDSize64 += fSize64; + srcPtr += fileSizes[fileNb]; + } + { size_t const decodedSize = (size_t)totalDSize64; + assert((U64)decodedSize == totalDSize64); /* check overflow */ + free(*resultBufferPtr); + *resultBufferPtr = malloc(decodedSize); + if (!(*resultBufferPtr)) { + RETURN_ERROR(33, BMK_benchOutcome_t, "not enough memory"); + } + if (totalDSize64 > decodedSize) { /* size_t overflow */ + free(*resultBufferPtr); + RETURN_ERROR(32, BMK_benchOutcome_t, "original size is too large"); + } + cSize = srcSize; + srcSize = decodedSize; + ratio = (double)srcSize / (double)cSize; + } + } + + /* Init data blocks */ + { const char* srcPtr = (const char*)srcBuffer; + char* cPtr = (char*)compressedBuffer; + char* resPtr = (char*)(*resultBufferPtr); + U32 fileNb; + for (nbBlocks=0, fileNb=0; fileNb<nbFiles; fileNb++) { + size_t remaining = fileSizes[fileNb]; + U32 const nbBlocksforThisFile = (adv->mode == BMK_decodeOnly) ? 1 : (U32)((remaining + (blockSize-1)) / blockSize); + U32 const blockEnd = nbBlocks + nbBlocksforThisFile; + for ( ; nbBlocks<blockEnd; nbBlocks++) { + size_t const thisBlockSize = MIN(remaining, blockSize); + srcPtrs[nbBlocks] = srcPtr; + srcSizes[nbBlocks] = thisBlockSize; + cPtrs[nbBlocks] = cPtr; + cCapacities[nbBlocks] = (adv->mode == BMK_decodeOnly) ? thisBlockSize : ZSTD_compressBound(thisBlockSize); + resPtrs[nbBlocks] = resPtr; + resSizes[nbBlocks] = (adv->mode == BMK_decodeOnly) ? (size_t) ZSTD_findDecompressedSize(srcPtr, thisBlockSize) : thisBlockSize; + srcPtr += thisBlockSize; + cPtr += cCapacities[nbBlocks]; + resPtr += thisBlockSize; + remaining -= thisBlockSize; + if (adv->mode == BMK_decodeOnly) { + cSizes[nbBlocks] = thisBlockSize; + benchResult.cSize = thisBlockSize; + } + } + } + } + + /* warming up `compressedBuffer` */ + if (adv->mode == BMK_decodeOnly) { + memcpy(compressedBuffer, srcBuffer, loadedCompressedSize); + } else { + RDG_genBuffer(compressedBuffer, maxCompressedSize, 0.10, 0.50, 1); + } + + /* Bench */ + { U64 const crcOrig = (adv->mode == BMK_decodeOnly) ? 0 : XXH64(srcBuffer, srcSize, 0); +# define NB_MARKS 4 + const char* marks[NB_MARKS] = { " |", " /", " =", " \\" }; + U32 markNb = 0; + int compressionCompleted = (adv->mode == BMK_decodeOnly); + int decompressionCompleted = (adv->mode == BMK_compressOnly); + BMK_benchParams_t cbp, dbp; + BMK_initCCtxArgs cctxprep; + BMK_initDCtxArgs dctxprep; + + cbp.benchFn = local_defaultCompress; /* ZSTD_compress2 */ + cbp.benchPayload = cctx; + cbp.initFn = local_initCCtx; /* BMK_initCCtx */ + cbp.initPayload = &cctxprep; + cbp.errorFn = ZSTD_isError; + cbp.blockCount = nbBlocks; + cbp.srcBuffers = srcPtrs; + cbp.srcSizes = srcSizes; + cbp.dstBuffers = cPtrs; + cbp.dstCapacities = cCapacities; + cbp.blockResults = cSizes; + + cctxprep.cctx = cctx; + cctxprep.dictBuffer = dictBuffer; + cctxprep.dictBufferSize = dictBufferSize; + cctxprep.cLevel = cLevel; + cctxprep.comprParams = comprParams; + cctxprep.adv = adv; + + dbp.benchFn = local_defaultDecompress; + dbp.benchPayload = dctx; + dbp.initFn = local_initDCtx; + dbp.initPayload = &dctxprep; + dbp.errorFn = ZSTD_isError; + dbp.blockCount = nbBlocks; + dbp.srcBuffers = (const void* const *) cPtrs; + dbp.srcSizes = cSizes; + dbp.dstBuffers = resPtrs; + dbp.dstCapacities = resSizes; + dbp.blockResults = NULL; + + dctxprep.dctx = dctx; + dctxprep.dictBuffer = dictBuffer; + dctxprep.dictBufferSize = dictBufferSize; + + DISPLAYLEVEL(2, "\r%70s\r", ""); /* blank line */ + DISPLAYLEVEL(2, "%2s-%-17.17s :%10u ->\r", marks[markNb], displayName, (unsigned)srcSize); + + while (!(compressionCompleted && decompressionCompleted)) { + if (!compressionCompleted) { + BMK_runOutcome_t const cOutcome = BMK_benchTimedFn( timeStateCompress, cbp); + + if (!BMK_isSuccessful_runOutcome(cOutcome)) { + return BMK_benchOutcome_error(); + } + + { BMK_runTime_t const cResult = BMK_extract_runTime(cOutcome); + cSize = cResult.sumOfReturn; + ratio = (double)srcSize / cSize; + { BMK_benchResult_t newResult; + newResult.cSpeed = (U64)((double)srcSize * TIMELOOP_NANOSEC / cResult.nanoSecPerRun); + benchResult.cSize = cSize; + if (newResult.cSpeed > benchResult.cSpeed) + benchResult.cSpeed = newResult.cSpeed; + } } + + { int const ratioAccuracy = (ratio < 10.) ? 3 : 2; + DISPLAYLEVEL(2, "%2s-%-17.17s :%10u ->%10u (%5.*f),%6.*f MB/s\r", + marks[markNb], displayName, + (unsigned)srcSize, (unsigned)cSize, + ratioAccuracy, ratio, + benchResult.cSpeed < (10 MB) ? 2 : 1, (double)benchResult.cSpeed / MB_UNIT); + } + compressionCompleted = BMK_isCompleted_TimedFn(timeStateCompress); + } + + if(!decompressionCompleted) { + BMK_runOutcome_t const dOutcome = BMK_benchTimedFn(timeStateDecompress, dbp); + + if(!BMK_isSuccessful_runOutcome(dOutcome)) { + return BMK_benchOutcome_error(); + } + + { BMK_runTime_t const dResult = BMK_extract_runTime(dOutcome); + U64 const newDSpeed = (U64)((double)srcSize * TIMELOOP_NANOSEC / dResult.nanoSecPerRun); + if (newDSpeed > benchResult.dSpeed) + benchResult.dSpeed = newDSpeed; + } + + { int const ratioAccuracy = (ratio < 10.) ? 3 : 2; + DISPLAYLEVEL(2, "%2s-%-17.17s :%10u ->%10u (%5.*f),%6.*f MB/s ,%6.1f MB/s \r", + marks[markNb], displayName, + (unsigned)srcSize, (unsigned)cSize, + ratioAccuracy, ratio, + benchResult.cSpeed < (10 MB) ? 2 : 1, (double)benchResult.cSpeed / MB_UNIT, + (double)benchResult.dSpeed / MB_UNIT); + } + decompressionCompleted = BMK_isCompleted_TimedFn(timeStateDecompress); + } + markNb = (markNb+1) % NB_MARKS; + } /* while (!(compressionCompleted && decompressionCompleted)) */ + + /* CRC Checking */ + { const BYTE* resultBuffer = (const BYTE*)(*resultBufferPtr); + U64 const crcCheck = XXH64(resultBuffer, srcSize, 0); + if ((adv->mode == BMK_both) && (crcOrig!=crcCheck)) { + size_t u; + DISPLAY("!!! WARNING !!! %14s : Invalid Checksum : %x != %x \n", + displayName, (unsigned)crcOrig, (unsigned)crcCheck); + for (u=0; u<srcSize; u++) { + if (((const BYTE*)srcBuffer)[u] != resultBuffer[u]) { + unsigned segNb, bNb, pos; + size_t bacc = 0; + DISPLAY("Decoding error at pos %u ", (unsigned)u); + for (segNb = 0; segNb < nbBlocks; segNb++) { + if (bacc + srcSizes[segNb] > u) break; + bacc += srcSizes[segNb]; + } + pos = (U32)(u - bacc); + bNb = pos / (128 KB); + DISPLAY("(sample %u, block %u, pos %u) \n", segNb, bNb, pos); + { size_t const lowest = (u>5) ? 5 : u; + size_t n; + DISPLAY("origin: "); + for (n=lowest; n>0; n--) + DISPLAY("%02X ", ((const BYTE*)srcBuffer)[u-n]); + DISPLAY(" :%02X: ", ((const BYTE*)srcBuffer)[u]); + for (n=1; n<3; n++) + DISPLAY("%02X ", ((const BYTE*)srcBuffer)[u+n]); + DISPLAY(" \n"); + DISPLAY("decode: "); + for (n=lowest; n>0; n++) + DISPLAY("%02X ", resultBuffer[u-n]); + DISPLAY(" :%02X: ", resultBuffer[u]); + for (n=1; n<3; n++) + DISPLAY("%02X ", resultBuffer[u+n]); + DISPLAY(" \n"); + } + break; + } + if (u==srcSize-1) { /* should never happen */ + DISPLAY("no difference detected\n"); + } + } /* for (u=0; u<srcSize; u++) */ + } /* if ((adv->mode == BMK_both) && (crcOrig!=crcCheck)) */ + } /* CRC Checking */ + + if (displayLevel == 1) { /* hidden display mode -q, used by python speed benchmark */ + double const cSpeed = (double)benchResult.cSpeed / MB_UNIT; + double const dSpeed = (double)benchResult.dSpeed / MB_UNIT; + if (adv->additionalParam) { + DISPLAY("-%-3i%11i (%5.3f) %6.2f MB/s %6.1f MB/s %s (param=%d)\n", cLevel, (int)cSize, ratio, cSpeed, dSpeed, displayName, adv->additionalParam); + } else { + DISPLAY("-%-3i%11i (%5.3f) %6.2f MB/s %6.1f MB/s %s\n", cLevel, (int)cSize, ratio, cSpeed, dSpeed, displayName); + } + } + + DISPLAYLEVEL(2, "%2i#\n", cLevel); + } /* Bench */ + + benchResult.cMem = (1ULL << (comprParams->windowLog)) + ZSTD_sizeof_CCtx(cctx); + return BMK_benchOutcome_setValidResult(benchResult); +} + +BMK_benchOutcome_t BMK_benchMemAdvanced(const void* srcBuffer, size_t srcSize, + void* dstBuffer, size_t dstCapacity, + const size_t* fileSizes, unsigned nbFiles, + int cLevel, const ZSTD_compressionParameters* comprParams, + const void* dictBuffer, size_t dictBufferSize, + int displayLevel, const char* displayName, const BMK_advancedParams_t* adv) + +{ + int const dstParamsError = !dstBuffer ^ !dstCapacity; /* must be both NULL or none */ + + size_t const blockSize = ((adv->blockSize>=32 && (adv->mode != BMK_decodeOnly)) ? adv->blockSize : srcSize) + (!srcSize) /* avoid div by 0 */ ; + U32 const maxNbBlocks = (U32) ((srcSize + (blockSize-1)) / blockSize) + nbFiles; + + /* these are the blockTable parameters, just split up */ + const void ** const srcPtrs = (const void**)malloc(maxNbBlocks * sizeof(void*)); + size_t* const srcSizes = (size_t*)malloc(maxNbBlocks * sizeof(size_t)); + + + void ** const cPtrs = (void**)malloc(maxNbBlocks * sizeof(void*)); + size_t* const cSizes = (size_t*)malloc(maxNbBlocks * sizeof(size_t)); + size_t* const cCapacities = (size_t*)malloc(maxNbBlocks * sizeof(size_t)); + + void ** const resPtrs = (void**)malloc(maxNbBlocks * sizeof(void*)); + size_t* const resSizes = (size_t*)malloc(maxNbBlocks * sizeof(size_t)); + + BMK_timedFnState_t* timeStateCompress = BMK_createTimedFnState(adv->nbSeconds * 1000, BMK_RUNTEST_DEFAULT_MS); + BMK_timedFnState_t* timeStateDecompress = BMK_createTimedFnState(adv->nbSeconds * 1000, BMK_RUNTEST_DEFAULT_MS); + + ZSTD_CCtx* const cctx = ZSTD_createCCtx(); + ZSTD_DCtx* const dctx = ZSTD_createDCtx(); + + const size_t maxCompressedSize = dstCapacity ? dstCapacity : ZSTD_compressBound(srcSize) + (maxNbBlocks * 1024); + + void* const internalDstBuffer = dstBuffer ? NULL : malloc(maxCompressedSize); + void* const compressedBuffer = dstBuffer ? dstBuffer : internalDstBuffer; + + BMK_benchOutcome_t outcome = BMK_benchOutcome_error(); /* error by default */ + + void* resultBuffer = srcSize ? malloc(srcSize) : NULL; + + int allocationincomplete = !srcPtrs || !srcSizes || !cPtrs || + !cSizes || !cCapacities || !resPtrs || !resSizes || + !timeStateCompress || !timeStateDecompress || + !cctx || !dctx || + !compressedBuffer || !resultBuffer; + + + if (!allocationincomplete && !dstParamsError) { + outcome = BMK_benchMemAdvancedNoAlloc(srcPtrs, srcSizes, + cPtrs, cCapacities, cSizes, + resPtrs, resSizes, + &resultBuffer, + compressedBuffer, maxCompressedSize, + timeStateCompress, timeStateDecompress, + srcBuffer, srcSize, + fileSizes, nbFiles, + cLevel, comprParams, + dictBuffer, dictBufferSize, + cctx, dctx, + displayLevel, displayName, adv); + } + + /* clean up */ + BMK_freeTimedFnState(timeStateCompress); + BMK_freeTimedFnState(timeStateDecompress); + + ZSTD_freeCCtx(cctx); + ZSTD_freeDCtx(dctx); + + free(internalDstBuffer); + free(resultBuffer); + + free((void*)srcPtrs); + free(srcSizes); + free(cPtrs); + free(cSizes); + free(cCapacities); + free(resPtrs); + free(resSizes); + + if(allocationincomplete) { + RETURN_ERROR(31, BMK_benchOutcome_t, "allocation error : not enough memory"); + } + + if(dstParamsError) { + RETURN_ERROR(32, BMK_benchOutcome_t, "Dst parameters not coherent"); + } + return outcome; +} + +BMK_benchOutcome_t BMK_benchMem(const void* srcBuffer, size_t srcSize, + const size_t* fileSizes, unsigned nbFiles, + int cLevel, const ZSTD_compressionParameters* comprParams, + const void* dictBuffer, size_t dictBufferSize, + int displayLevel, const char* displayName) { + + BMK_advancedParams_t const adv = BMK_initAdvancedParams(); + return BMK_benchMemAdvanced(srcBuffer, srcSize, + NULL, 0, + fileSizes, nbFiles, + cLevel, comprParams, + dictBuffer, dictBufferSize, + displayLevel, displayName, &adv); +} + +static BMK_benchOutcome_t BMK_benchCLevel(const void* srcBuffer, size_t benchedSize, + const size_t* fileSizes, unsigned nbFiles, + int cLevel, const ZSTD_compressionParameters* comprParams, + const void* dictBuffer, size_t dictBufferSize, + int displayLevel, const char* displayName, + BMK_advancedParams_t const * const adv) +{ + const char* pch = strrchr(displayName, '\\'); /* Windows */ + if (!pch) pch = strrchr(displayName, '/'); /* Linux */ + if (pch) displayName = pch+1; + + if (adv->realTime) { + DISPLAYLEVEL(2, "Note : switching to real-time priority \n"); + SET_REALTIME_PRIORITY; + } + + if (displayLevel == 1 && !adv->additionalParam) /* --quiet mode */ + DISPLAY("bench %s %s: input %u bytes, %u seconds, %u KB blocks\n", + ZSTD_VERSION_STRING, ZSTD_GIT_COMMIT_STRING, + (unsigned)benchedSize, adv->nbSeconds, (unsigned)(adv->blockSize>>10)); + + return BMK_benchMemAdvanced(srcBuffer, benchedSize, + NULL, 0, + fileSizes, nbFiles, + cLevel, comprParams, + dictBuffer, dictBufferSize, + displayLevel, displayName, adv); +} + +BMK_benchOutcome_t BMK_syntheticTest(int cLevel, double compressibility, + const ZSTD_compressionParameters* compressionParams, + int displayLevel, const BMK_advancedParams_t* adv) +{ + char name[20] = {0}; + size_t const benchedSize = 10000000; + void* srcBuffer; + BMK_benchOutcome_t res; + + if (cLevel > ZSTD_maxCLevel()) { + RETURN_ERROR(15, BMK_benchOutcome_t, "Invalid Compression Level"); + } + + /* Memory allocation */ + srcBuffer = malloc(benchedSize); + if (!srcBuffer) RETURN_ERROR(21, BMK_benchOutcome_t, "not enough memory"); + + /* Fill input buffer */ + RDG_genBuffer(srcBuffer, benchedSize, compressibility, 0.0, 0); + + /* Bench */ + snprintf (name, sizeof(name), "Synthetic %2u%%", (unsigned)(compressibility*100)); + res = BMK_benchCLevel(srcBuffer, benchedSize, + &benchedSize /* ? */, 1 /* ? */, + cLevel, compressionParams, + NULL, 0, /* dictionary */ + displayLevel, name, adv); + + /* clean up */ + free(srcBuffer); + + return res; +} + + + +static size_t BMK_findMaxMem(U64 requiredMem) +{ + size_t const step = 64 MB; + BYTE* testmem = NULL; + + requiredMem = (((requiredMem >> 26) + 1) << 26); + requiredMem += step; + if (requiredMem > maxMemory) requiredMem = maxMemory; + + do { + testmem = (BYTE*)malloc((size_t)requiredMem); + requiredMem -= step; + } while (!testmem && requiredMem > 0); + + free(testmem); + return (size_t)(requiredMem); +} + +/*! BMK_loadFiles() : + * Loads `buffer` with content of files listed within `fileNamesTable`. + * At most, fills `buffer` entirely. */ +static int BMK_loadFiles(void* buffer, size_t bufferSize, + size_t* fileSizes, + const char* const * fileNamesTable, unsigned nbFiles, + int displayLevel) +{ + size_t pos = 0, totalSize = 0; + unsigned n; + for (n=0; n<nbFiles; n++) { + U64 fileSize = UTIL_getFileSize(fileNamesTable[n]); /* last file may be shortened */ + if (UTIL_isDirectory(fileNamesTable[n])) { + DISPLAYLEVEL(2, "Ignoring %s directory... \n", fileNamesTable[n]); + fileSizes[n] = 0; + continue; + } + if (fileSize == UTIL_FILESIZE_UNKNOWN) { + DISPLAYLEVEL(2, "Cannot evaluate size of %s, ignoring ... \n", fileNamesTable[n]); + fileSizes[n] = 0; + continue; + } + { FILE* const f = fopen(fileNamesTable[n], "rb"); + if (f==NULL) RETURN_ERROR_INT(10, "impossible to open file %s", fileNamesTable[n]); + DISPLAYUPDATE(2, "Loading %s... \r", fileNamesTable[n]); + if (fileSize > bufferSize-pos) fileSize = bufferSize-pos, nbFiles=n; /* buffer too small - stop after this file */ + { size_t const readSize = fread(((char*)buffer)+pos, 1, (size_t)fileSize, f); + if (readSize != (size_t)fileSize) RETURN_ERROR_INT(11, "could not read %s", fileNamesTable[n]); + pos += readSize; + } + fileSizes[n] = (size_t)fileSize; + totalSize += (size_t)fileSize; + fclose(f); + } } + + if (totalSize == 0) RETURN_ERROR_INT(12, "no data to bench"); + return 0; +} + +BMK_benchOutcome_t BMK_benchFilesAdvanced( + const char* const * fileNamesTable, unsigned nbFiles, + const char* dictFileName, int cLevel, + const ZSTD_compressionParameters* compressionParams, + int displayLevel, const BMK_advancedParams_t* adv) +{ + void* srcBuffer = NULL; + size_t benchedSize; + void* dictBuffer = NULL; + size_t dictBufferSize = 0; + size_t* fileSizes = NULL; + BMK_benchOutcome_t res; + U64 const totalSizeToLoad = UTIL_getTotalFileSize(fileNamesTable, nbFiles); + + if (!nbFiles) { + RETURN_ERROR(14, BMK_benchOutcome_t, "No Files to Benchmark"); + } + + if (cLevel > ZSTD_maxCLevel()) { + RETURN_ERROR(15, BMK_benchOutcome_t, "Invalid Compression Level"); + } + + fileSizes = (size_t*)calloc(nbFiles, sizeof(size_t)); + if (!fileSizes) RETURN_ERROR(12, BMK_benchOutcome_t, "not enough memory for fileSizes"); + + /* Load dictionary */ + if (dictFileName != NULL) { + U64 const dictFileSize = UTIL_getFileSize(dictFileName); + if (dictFileSize == UTIL_FILESIZE_UNKNOWN) { + DISPLAYLEVEL(1, "error loading %s : %s \n", dictFileName, strerror(errno)); + free(fileSizes); + RETURN_ERROR(9, BMK_benchOutcome_t, "benchmark aborted"); + } + if (dictFileSize > 64 MB) { + free(fileSizes); + RETURN_ERROR(10, BMK_benchOutcome_t, "dictionary file %s too large", dictFileName); + } + dictBufferSize = (size_t)dictFileSize; + dictBuffer = malloc(dictBufferSize); + if (dictBuffer==NULL) { + free(fileSizes); + RETURN_ERROR(11, BMK_benchOutcome_t, "not enough memory for dictionary (%u bytes)", + (unsigned)dictBufferSize); + } + + { int const errorCode = BMK_loadFiles(dictBuffer, dictBufferSize, + fileSizes, &dictFileName /*?*/, + 1 /*?*/, displayLevel); + if (errorCode) { + res = BMK_benchOutcome_error(); + goto _cleanUp; + } } + } + + /* Memory allocation & restrictions */ + benchedSize = BMK_findMaxMem(totalSizeToLoad * 3) / 3; + if ((U64)benchedSize > totalSizeToLoad) benchedSize = (size_t)totalSizeToLoad; + if (benchedSize < totalSizeToLoad) + DISPLAY("Not enough memory; testing %u MB only...\n", (unsigned)(benchedSize >> 20)); + + srcBuffer = benchedSize ? malloc(benchedSize) : NULL; + if (!srcBuffer) { + free(dictBuffer); + free(fileSizes); + RETURN_ERROR(12, BMK_benchOutcome_t, "not enough memory"); + } + + /* Load input buffer */ + { int const errorCode = BMK_loadFiles(srcBuffer, benchedSize, + fileSizes, fileNamesTable, nbFiles, + displayLevel); + if (errorCode) { + res = BMK_benchOutcome_error(); + goto _cleanUp; + } } + + /* Bench */ + { char mfName[20] = {0}; + snprintf (mfName, sizeof(mfName), " %u files", nbFiles); + { const char* const displayName = (nbFiles > 1) ? mfName : fileNamesTable[0]; + res = BMK_benchCLevel(srcBuffer, benchedSize, + fileSizes, nbFiles, + cLevel, compressionParams, + dictBuffer, dictBufferSize, + displayLevel, displayName, + adv); + } } + +_cleanUp: + free(srcBuffer); + free(dictBuffer); + free(fileSizes); + return res; +} + + +BMK_benchOutcome_t BMK_benchFiles( + const char* const * fileNamesTable, unsigned nbFiles, + const char* dictFileName, + int cLevel, const ZSTD_compressionParameters* compressionParams, + int displayLevel) +{ + BMK_advancedParams_t const adv = BMK_initAdvancedParams(); + return BMK_benchFilesAdvanced(fileNamesTable, nbFiles, dictFileName, cLevel, compressionParams, displayLevel, &adv); +} |