added zwrapbench.c
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inikep
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734
zlibWrapper/examples/zwrapbench.c
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734
zlibWrapper/examples/zwrapbench.c
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/**
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* Copyright (c) 2016-present, Yann Collet, Przemyslaw Skibinski, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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/* *************************************
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* Includes
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***************************************/
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#include "util.h" /* Compiler options, UTIL_GetFileSize, UTIL_sleep */
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#include <stdlib.h> /* malloc, free */
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#include <string.h> /* memset */
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#include <stdio.h> /* fprintf, fopen, ftello64 */
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#include <time.h> /* clock_t, clock, CLOCKS_PER_SEC */
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#include "mem.h"
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#define ZSTD_STATIC_LINKING_ONLY
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#include "zstd.h"
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#include "datagen.h" /* RDG_genBuffer */
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#include "xxhash.h"
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/*-************************************
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* Tuning parameters
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**************************************/
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#ifndef ZSTDCLI_CLEVEL_DEFAULT
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# define ZSTDCLI_CLEVEL_DEFAULT 3
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#endif
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/*-************************************
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* Constants
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**************************************/
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#define COMPRESSOR_NAME "zlibWrapper for zstd command line interface"
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#ifndef ZSTD_VERSION
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# define ZSTD_VERSION "v" ZSTD_VERSION_STRING
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#endif
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#define AUTHOR "Yann Collet"
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#define WELCOME_MESSAGE "*** %s %i-bits %s, by %s ***\n", COMPRESSOR_NAME, (int)(sizeof(size_t)*8), ZSTD_VERSION, AUTHOR
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#ifndef ZSTD_GIT_COMMIT
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# define ZSTD_GIT_COMMIT_STRING ""
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#else
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# define ZSTD_GIT_COMMIT_STRING ZSTD_EXPAND_AND_QUOTE(ZSTD_GIT_COMMIT)
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#endif
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#define NBLOOPS 3
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#define TIMELOOP_MICROSEC 1*1000000ULL /* 1 second */
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#define ACTIVEPERIOD_MICROSEC 70*1000000ULL /* 70 seconds */
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#define COOLPERIOD_SEC 10
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#define KB *(1 <<10)
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#define MB *(1 <<20)
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#define GB *(1U<<30)
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static const size_t maxMemory = (sizeof(size_t)==4) ? (2 GB - 64 MB) : (size_t)(1ULL << ((sizeof(size_t)*8)-31));
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static U32 g_compressibilityDefault = 50;
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/* *************************************
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* console display
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***************************************/
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#define DEFAULT_DISPLAY_LEVEL 2
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#define DISPLAY(...) fprintf(displayOut, __VA_ARGS__)
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#define DISPLAYLEVEL(l, ...) if (g_displayLevel>=l) { DISPLAY(__VA_ARGS__); }
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static U32 g_displayLevel = DEFAULT_DISPLAY_LEVEL; /* 0 : no display; 1: errors; 2 : + result + interaction + warnings; 3 : + progression; 4 : + information */
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static FILE* displayOut;
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#define DISPLAYUPDATE(l, ...) if (g_displayLevel>=l) { \
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if ((clock() - g_time > refreshRate) || (g_displayLevel>=4)) \
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{ g_time = clock(); DISPLAY(__VA_ARGS__); \
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if (g_displayLevel>=4) fflush(stdout); } }
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static const clock_t refreshRate = CLOCKS_PER_SEC * 15 / 100;
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static clock_t g_time = 0;
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/* *************************************
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* Exceptions
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***************************************/
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#ifndef DEBUG
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# define DEBUG 0
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#endif
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#define DEBUGOUTPUT(...) if (DEBUG) DISPLAY(__VA_ARGS__);
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#define EXM_THROW(error, ...) \
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{ \
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DEBUGOUTPUT("Error defined at %s, line %i : \n", __FILE__, __LINE__); \
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DISPLAYLEVEL(1, "Error %i : ", error); \
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DISPLAYLEVEL(1, __VA_ARGS__); \
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DISPLAYLEVEL(1, "\n"); \
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exit(error); \
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}
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/* *************************************
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* Benchmark Parameters
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***************************************/
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static U32 g_nbIterations = NBLOOPS;
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static size_t g_blockSize = 0;
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int g_additionalParam = 0;
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void BMK_setNotificationLevel(unsigned level) { g_displayLevel=level; }
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void BMK_setAdditionalParam(int additionalParam) { g_additionalParam=additionalParam; }
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void BMK_SetNbIterations(unsigned nbLoops)
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{
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g_nbIterations = nbLoops;
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DISPLAYLEVEL(3, "- test >= %u seconds per compression / decompression -\n", g_nbIterations);
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}
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void BMK_SetBlockSize(size_t blockSize)
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{
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g_blockSize = blockSize;
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DISPLAYLEVEL(2, "using blocks of size %u KB \n", (U32)(blockSize>>10));
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}
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/* ********************************************************
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* Bench functions
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**********************************************************/
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typedef struct
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{
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const char* srcPtr;
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size_t srcSize;
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char* cPtr;
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size_t cRoom;
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size_t cSize;
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char* resPtr;
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size_t resSize;
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} blockParam_t;
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#define MIN(a,b) ((a)<(b) ? (a) : (b))
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#define MAX(a,b) ((a)>(b) ? (a) : (b))
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static int BMK_benchMem(const void* srcBuffer, size_t srcSize,
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const char* displayName, int cLevel,
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const size_t* fileSizes, U32 nbFiles,
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const void* dictBuffer, size_t dictBufferSize)
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{
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size_t const blockSize = (g_blockSize>=32 ? g_blockSize : srcSize) + (!srcSize) /* avoid div by 0 */ ;
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size_t const avgSize = MIN(g_blockSize, (srcSize / nbFiles));
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U32 const maxNbBlocks = (U32) ((srcSize + (blockSize-1)) / blockSize) + nbFiles;
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blockParam_t* const blockTable = (blockParam_t*) malloc(maxNbBlocks * sizeof(blockParam_t));
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size_t const maxCompressedSize = ZSTD_compressBound(srcSize) + (maxNbBlocks * 1024); /* add some room for safety */
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void* const compressedBuffer = malloc(maxCompressedSize);
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void* const resultBuffer = malloc(srcSize);
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ZSTD_CCtx* const ctx = ZSTD_createCCtx();
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ZSTD_DCtx* const dctx = ZSTD_createDCtx();
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U32 nbBlocks;
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UTIL_time_t ticksPerSecond;
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/* checks */
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if (!compressedBuffer || !resultBuffer || !blockTable || !ctx || !dctx)
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EXM_THROW(31, "allocation error : not enough memory");
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/* init */
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if (strlen(displayName)>17) displayName += strlen(displayName)-17; /* can only display 17 characters */
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UTIL_initTimer(&ticksPerSecond);
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/* Init blockTable data */
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{ const char* srcPtr = (const char*)srcBuffer;
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char* cPtr = (char*)compressedBuffer;
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char* resPtr = (char*)resultBuffer;
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U32 fileNb;
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for (nbBlocks=0, fileNb=0; fileNb<nbFiles; fileNb++) {
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size_t remaining = fileSizes[fileNb];
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U32 const nbBlocksforThisFile = (U32)((remaining + (blockSize-1)) / blockSize);
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U32 const blockEnd = nbBlocks + nbBlocksforThisFile;
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for ( ; nbBlocks<blockEnd; nbBlocks++) {
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size_t const thisBlockSize = MIN(remaining, blockSize);
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blockTable[nbBlocks].srcPtr = srcPtr;
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blockTable[nbBlocks].cPtr = cPtr;
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blockTable[nbBlocks].resPtr = resPtr;
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blockTable[nbBlocks].srcSize = thisBlockSize;
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blockTable[nbBlocks].cRoom = ZSTD_compressBound(thisBlockSize);
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srcPtr += thisBlockSize;
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cPtr += blockTable[nbBlocks].cRoom;
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resPtr += thisBlockSize;
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remaining -= thisBlockSize;
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} } }
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/* warmimg up memory */
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RDG_genBuffer(compressedBuffer, maxCompressedSize, 0.10, 0.50, 1);
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/* Bench */
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{ U64 fastestC = (U64)(-1LL), fastestD = (U64)(-1LL);
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U64 const crcOrig = XXH64(srcBuffer, srcSize, 0);
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UTIL_time_t coolTime;
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U64 const maxTime = (g_nbIterations * TIMELOOP_MICROSEC) + 100;
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U64 totalCTime=0, totalDTime=0;
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U32 cCompleted=0, dCompleted=0;
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# define NB_MARKS 4
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const char* const marks[NB_MARKS] = { " |", " /", " =", "\\" };
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U32 markNb = 0;
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size_t cSize = 0;
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double ratio = 0.;
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UTIL_getTime(&coolTime);
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DISPLAYLEVEL(2, "\r%79s\r", "");
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while (!cCompleted | !dCompleted) {
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UTIL_time_t clockStart;
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U64 clockLoop = g_nbIterations ? TIMELOOP_MICROSEC : 1;
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/* overheat protection */
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if (UTIL_clockSpanMicro(coolTime, ticksPerSecond) > ACTIVEPERIOD_MICROSEC) {
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DISPLAYLEVEL(2, "\rcooling down ... \r");
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UTIL_sleep(COOLPERIOD_SEC);
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UTIL_getTime(&coolTime);
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}
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/* Compression */
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DISPLAYLEVEL(2, "%2s-%-17.17s :%10u ->\r", marks[markNb], displayName, (U32)srcSize);
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if (!cCompleted) memset(compressedBuffer, 0xE5, maxCompressedSize); /* warm up and erase result buffer */
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UTIL_sleepMilli(1); /* give processor time to other processes */
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UTIL_waitForNextTick(ticksPerSecond);
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UTIL_getTime(&clockStart);
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if (!cCompleted) { /* still some time to do compression tests */
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ZSTD_parameters const zparams = ZSTD_getParams(cLevel, avgSize, dictBufferSize);
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ZSTD_customMem const cmem = { NULL, NULL, NULL };
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U32 nbLoops = 0;
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ZSTD_CDict* cdict = ZSTD_createCDict_advanced(dictBuffer, dictBufferSize, zparams, cmem);
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if (cdict==NULL) EXM_THROW(1, "ZSTD_createCDict_advanced() allocation failure");
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do {
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U32 blockNb;
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for (blockNb=0; blockNb<nbBlocks; blockNb++) {
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size_t const rSize = ZSTD_compress_usingCDict(ctx,
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blockTable[blockNb].cPtr, blockTable[blockNb].cRoom,
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blockTable[blockNb].srcPtr,blockTable[blockNb].srcSize,
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cdict);
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if (ZSTD_isError(rSize)) EXM_THROW(1, "ZSTD_compress_usingCDict() failed : %s", ZSTD_getErrorName(rSize));
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blockTable[blockNb].cSize = rSize;
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}
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nbLoops++;
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} while (UTIL_clockSpanMicro(clockStart, ticksPerSecond) < clockLoop);
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ZSTD_freeCDict(cdict);
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{ U64 const clockSpan = UTIL_clockSpanMicro(clockStart, ticksPerSecond);
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if (clockSpan < fastestC*nbLoops) fastestC = clockSpan / nbLoops;
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totalCTime += clockSpan;
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cCompleted = totalCTime>maxTime;
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} }
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cSize = 0;
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{ U32 blockNb; for (blockNb=0; blockNb<nbBlocks; blockNb++) cSize += blockTable[blockNb].cSize; }
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ratio = (double)srcSize / (double)cSize;
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markNb = (markNb+1) % NB_MARKS;
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DISPLAYLEVEL(2, "%2s-%-17.17s :%10u ->%10u (%5.3f),%6.1f MB/s\r",
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marks[markNb], displayName, (U32)srcSize, (U32)cSize, ratio,
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(double)srcSize / fastestC );
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(void)fastestD; (void)crcOrig; /* unused when decompression disabled */
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#if 1
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/* Decompression */
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if (!dCompleted) memset(resultBuffer, 0xD6, srcSize); /* warm result buffer */
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UTIL_sleepMilli(1); /* give processor time to other processes */
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UTIL_waitForNextTick(ticksPerSecond);
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UTIL_getTime(&clockStart);
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if (!dCompleted) {
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U32 nbLoops = 0;
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ZSTD_DDict* ddict = ZSTD_createDDict(dictBuffer, dictBufferSize);
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if (!ddict) EXM_THROW(2, "ZSTD_createDDict() allocation failure");
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do {
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U32 blockNb;
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for (blockNb=0; blockNb<nbBlocks; blockNb++) {
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size_t const regenSize = ZSTD_decompress_usingDDict(dctx,
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blockTable[blockNb].resPtr, blockTable[blockNb].srcSize,
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blockTable[blockNb].cPtr, blockTable[blockNb].cSize,
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ddict);
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if (ZSTD_isError(regenSize)) {
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DISPLAY("ZSTD_decompress_usingDDict() failed on block %u : %s \n",
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blockNb, ZSTD_getErrorName(regenSize));
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clockLoop = 0; /* force immediate test end */
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break;
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}
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blockTable[blockNb].resSize = regenSize;
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}
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nbLoops++;
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} while (UTIL_clockSpanMicro(clockStart, ticksPerSecond) < clockLoop);
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ZSTD_freeDDict(ddict);
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{ U64 const clockSpan = UTIL_clockSpanMicro(clockStart, ticksPerSecond);
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if (clockSpan < fastestD*nbLoops) fastestD = clockSpan / nbLoops;
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totalDTime += clockSpan;
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dCompleted = totalDTime>maxTime;
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} }
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markNb = (markNb+1) % NB_MARKS;
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DISPLAYLEVEL(2, "%2s-%-17.17s :%10u ->%10u (%5.3f),%6.1f MB/s ,%6.1f MB/s\r",
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marks[markNb], displayName, (U32)srcSize, (U32)cSize, ratio,
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(double)srcSize / fastestC,
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(double)srcSize / fastestD );
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/* CRC Checking */
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{ U64 const crcCheck = XXH64(resultBuffer, srcSize, 0);
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if (crcOrig!=crcCheck) {
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size_t u;
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DISPLAY("!!! WARNING !!! %14s : Invalid Checksum : %x != %x \n", displayName, (unsigned)crcOrig, (unsigned)crcCheck);
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for (u=0; u<srcSize; u++) {
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if (((const BYTE*)srcBuffer)[u] != ((const BYTE*)resultBuffer)[u]) {
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U32 segNb, bNb, pos;
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size_t bacc = 0;
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DISPLAY("Decoding error at pos %u ", (U32)u);
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for (segNb = 0; segNb < nbBlocks; segNb++) {
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if (bacc + blockTable[segNb].srcSize > u) break;
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bacc += blockTable[segNb].srcSize;
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}
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pos = (U32)(u - bacc);
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bNb = pos / (128 KB);
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DISPLAY("(block %u, sub %u, pos %u) \n", segNb, bNb, pos);
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break;
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}
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if (u==srcSize-1) { /* should never happen */
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DISPLAY("no difference detected\n");
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} }
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break;
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} } /* CRC Checking */
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#endif
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} /* for (testNb = 1; testNb <= (g_nbIterations + !g_nbIterations); testNb++) */
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if (g_displayLevel == 1) {
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double cSpeed = (double)srcSize / fastestC;
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double dSpeed = (double)srcSize / fastestD;
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if (g_additionalParam)
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DISPLAY("-%-3i%11i (%5.3f) %6.2f MB/s %6.1f MB/s %s (param=%d)\n", cLevel, (int)cSize, ratio, cSpeed, dSpeed, displayName, g_additionalParam);
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else
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||||||
|
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 */
|
||||||
|
|
||||||
|
/* clean up */
|
||||||
|
free(blockTable);
|
||||||
|
free(compressedBuffer);
|
||||||
|
free(resultBuffer);
|
||||||
|
ZSTD_freeCCtx(ctx);
|
||||||
|
ZSTD_freeDCtx(dctx);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
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);
|
||||||
|
|
||||||
|
free(testmem);
|
||||||
|
return (size_t)(requiredMem);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void BMK_benchCLevel(void* srcBuffer, size_t benchedSize,
|
||||||
|
const char* displayName, int cLevel, int cLevelLast,
|
||||||
|
const size_t* fileSizes, unsigned nbFiles,
|
||||||
|
const void* dictBuffer, size_t dictBufferSize)
|
||||||
|
{
|
||||||
|
int l;
|
||||||
|
|
||||||
|
const char* pch = strrchr(displayName, '\\'); /* Windows */
|
||||||
|
if (!pch) pch = strrchr(displayName, '/'); /* Linux */
|
||||||
|
if (pch) displayName = pch+1;
|
||||||
|
|
||||||
|
SET_HIGH_PRIORITY;
|
||||||
|
|
||||||
|
if (g_displayLevel == 1 && !g_additionalParam)
|
||||||
|
DISPLAY("bench %s %s: input %u bytes, %u iterations, %u KB blocks\n", ZSTD_VERSION_STRING, ZSTD_GIT_COMMIT_STRING, (U32)benchedSize, g_nbIterations, (U32)(g_blockSize>>10));
|
||||||
|
|
||||||
|
if (cLevelLast < cLevel) cLevelLast = cLevel;
|
||||||
|
|
||||||
|
for (l=cLevel; l <= cLevelLast; l++) {
|
||||||
|
BMK_benchMem(srcBuffer, benchedSize,
|
||||||
|
displayName, l,
|
||||||
|
fileSizes, nbFiles,
|
||||||
|
dictBuffer, dictBufferSize);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/*! BMK_loadFiles() :
|
||||||
|
Loads `buffer` with content of files listed within `fileNamesTable`.
|
||||||
|
At most, fills `buffer` entirely */
|
||||||
|
static void BMK_loadFiles(void* buffer, size_t bufferSize,
|
||||||
|
size_t* fileSizes,
|
||||||
|
const char** fileNamesTable, unsigned nbFiles)
|
||||||
|
{
|
||||||
|
size_t pos = 0, totalSize = 0;
|
||||||
|
unsigned n;
|
||||||
|
for (n=0; n<nbFiles; n++) {
|
||||||
|
FILE* f;
|
||||||
|
U64 fileSize = UTIL_getFileSize(fileNamesTable[n]);
|
||||||
|
if (UTIL_isDirectory(fileNamesTable[n])) {
|
||||||
|
DISPLAYLEVEL(2, "Ignoring %s directory... \n", fileNamesTable[n]);
|
||||||
|
fileSizes[n] = 0;
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
f = fopen(fileNamesTable[n], "rb");
|
||||||
|
if (f==NULL) EXM_THROW(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) EXM_THROW(11, "could not read %s", fileNamesTable[n]);
|
||||||
|
pos += readSize; }
|
||||||
|
fileSizes[n] = (size_t)fileSize;
|
||||||
|
totalSize += (size_t)fileSize;
|
||||||
|
fclose(f);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (totalSize == 0) EXM_THROW(12, "no data to bench");
|
||||||
|
}
|
||||||
|
|
||||||
|
static void BMK_benchFileTable(const char** fileNamesTable, unsigned nbFiles,
|
||||||
|
const char* dictFileName, int cLevel, int cLevelLast)
|
||||||
|
{
|
||||||
|
void* srcBuffer;
|
||||||
|
size_t benchedSize;
|
||||||
|
void* dictBuffer = NULL;
|
||||||
|
size_t dictBufferSize = 0;
|
||||||
|
size_t* fileSizes = (size_t*)malloc(nbFiles * sizeof(size_t));
|
||||||
|
U64 const totalSizeToLoad = UTIL_getTotalFileSize(fileNamesTable, nbFiles);
|
||||||
|
char mfName[20] = {0};
|
||||||
|
|
||||||
|
if (!fileSizes) EXM_THROW(12, "not enough memory for fileSizes");
|
||||||
|
|
||||||
|
/* Load dictionary */
|
||||||
|
if (dictFileName != NULL) {
|
||||||
|
U64 dictFileSize = UTIL_getFileSize(dictFileName);
|
||||||
|
if (dictFileSize > 64 MB) EXM_THROW(10, "dictionary file %s too large", dictFileName);
|
||||||
|
dictBufferSize = (size_t)dictFileSize;
|
||||||
|
dictBuffer = malloc(dictBufferSize);
|
||||||
|
if (dictBuffer==NULL) EXM_THROW(11, "not enough memory for dictionary (%u bytes)", (U32)dictBufferSize);
|
||||||
|
BMK_loadFiles(dictBuffer, dictBufferSize, fileSizes, &dictFileName, 1);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* 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", (U32)(benchedSize >> 20));
|
||||||
|
srcBuffer = malloc(benchedSize);
|
||||||
|
if (!srcBuffer) EXM_THROW(12, "not enough memory");
|
||||||
|
|
||||||
|
/* Load input buffer */
|
||||||
|
BMK_loadFiles(srcBuffer, benchedSize, fileSizes, fileNamesTable, nbFiles);
|
||||||
|
|
||||||
|
/* Bench */
|
||||||
|
snprintf (mfName, sizeof(mfName), " %u files", nbFiles);
|
||||||
|
{ const char* displayName = (nbFiles > 1) ? mfName : fileNamesTable[0];
|
||||||
|
BMK_benchCLevel(srcBuffer, benchedSize,
|
||||||
|
displayName, cLevel, cLevelLast,
|
||||||
|
fileSizes, nbFiles,
|
||||||
|
dictBuffer, dictBufferSize);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* clean up */
|
||||||
|
free(srcBuffer);
|
||||||
|
free(dictBuffer);
|
||||||
|
free(fileSizes);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static void BMK_syntheticTest(int cLevel, int cLevelLast, double compressibility)
|
||||||
|
{
|
||||||
|
char name[20] = {0};
|
||||||
|
size_t benchedSize = 10000000;
|
||||||
|
void* const srcBuffer = malloc(benchedSize);
|
||||||
|
|
||||||
|
/* Memory allocation */
|
||||||
|
if (!srcBuffer) EXM_THROW(21, "not enough memory");
|
||||||
|
|
||||||
|
/* Fill input buffer */
|
||||||
|
RDG_genBuffer(srcBuffer, benchedSize, compressibility, 0.0, 0);
|
||||||
|
|
||||||
|
/* Bench */
|
||||||
|
snprintf (name, sizeof(name), "Synthetic %2u%%", (unsigned)(compressibility*100));
|
||||||
|
BMK_benchCLevel(srcBuffer, benchedSize, name, cLevel, cLevelLast, &benchedSize, 1, NULL, 0);
|
||||||
|
|
||||||
|
/* clean up */
|
||||||
|
free(srcBuffer);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
int BMK_benchFiles(const char** fileNamesTable, unsigned nbFiles,
|
||||||
|
const char* dictFileName, int cLevel, int cLevelLast)
|
||||||
|
{
|
||||||
|
double const compressibility = (double)g_compressibilityDefault / 100;
|
||||||
|
|
||||||
|
if (nbFiles == 0)
|
||||||
|
BMK_syntheticTest(cLevel, cLevelLast, compressibility);
|
||||||
|
else
|
||||||
|
BMK_benchFileTable(fileNamesTable, nbFiles, dictFileName, cLevel, cLevelLast);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
/*-************************************
|
||||||
|
* Command Line
|
||||||
|
**************************************/
|
||||||
|
static int usage(const char* programName)
|
||||||
|
{
|
||||||
|
DISPLAY(WELCOME_MESSAGE);
|
||||||
|
DISPLAY( "Usage :\n");
|
||||||
|
DISPLAY( " %s [args] [FILE(s)] [-o file]\n", programName);
|
||||||
|
DISPLAY( "\n");
|
||||||
|
DISPLAY( "FILE : a filename\n");
|
||||||
|
DISPLAY( " with no FILE, or when FILE is - , read standard input\n");
|
||||||
|
DISPLAY( "Arguments :\n");
|
||||||
|
DISPLAY( " -D file: use `file` as Dictionary \n");
|
||||||
|
DISPLAY( " -h/-H : display help/long help and exit\n");
|
||||||
|
DISPLAY( " -V : display Version number and exit\n");
|
||||||
|
DISPLAY( " -v : verbose mode; specify multiple times to increase log level (default:%d)\n", DEFAULT_DISPLAY_LEVEL);
|
||||||
|
DISPLAY( " -q : suppress warnings; specify twice to suppress errors too\n");
|
||||||
|
#ifdef UTIL_HAS_CREATEFILELIST
|
||||||
|
DISPLAY( " -r : operate recursively on directories\n");
|
||||||
|
#endif
|
||||||
|
DISPLAY( "\n");
|
||||||
|
DISPLAY( "Benchmark arguments :\n");
|
||||||
|
DISPLAY( " -b# : benchmark file(s), using # compression level (default : 1) \n");
|
||||||
|
DISPLAY( " -e# : test all compression levels from -bX to # (default: 1)\n");
|
||||||
|
DISPLAY( " -i# : minimum evaluation time in seconds (default : 3s)\n");
|
||||||
|
DISPLAY( " -B# : cut file into independent blocks of size # (default: no block)\n");
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int badusage(const char* programName)
|
||||||
|
{
|
||||||
|
DISPLAYLEVEL(1, "Incorrect parameters\n");
|
||||||
|
if (g_displayLevel >= 1) usage(programName);
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void waitEnter(void)
|
||||||
|
{
|
||||||
|
int unused;
|
||||||
|
DISPLAY("Press enter to continue...\n");
|
||||||
|
unused = getchar();
|
||||||
|
(void)unused;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*! readU32FromChar() :
|
||||||
|
@return : unsigned integer value reach from input in `char` format
|
||||||
|
Will also modify `*stringPtr`, advancing it to position where it stopped reading.
|
||||||
|
Note : this function can overflow if digit string > MAX_UINT */
|
||||||
|
static unsigned readU32FromChar(const char** stringPtr)
|
||||||
|
{
|
||||||
|
unsigned result = 0;
|
||||||
|
while ((**stringPtr >='0') && (**stringPtr <='9'))
|
||||||
|
result *= 10, result += **stringPtr - '0', (*stringPtr)++ ;
|
||||||
|
return result;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
#define CLEAN_RETURN(i) { operationResult = (i); goto _end; }
|
||||||
|
|
||||||
|
int main(int argCount, char** argv)
|
||||||
|
{
|
||||||
|
int argNb,
|
||||||
|
main_pause=0,
|
||||||
|
nextEntryIsDictionary=0,
|
||||||
|
operationResult=0,
|
||||||
|
nextArgumentIsFile=0;
|
||||||
|
int cLevel = ZSTDCLI_CLEVEL_DEFAULT;
|
||||||
|
int cLevelLast = 1;
|
||||||
|
unsigned recursive = 0;
|
||||||
|
const char** filenameTable = (const char**)malloc(argCount * sizeof(const char*)); /* argCount >= 1 */
|
||||||
|
unsigned filenameIdx = 0;
|
||||||
|
const char* programName = argv[0];
|
||||||
|
const char* dictFileName = NULL;
|
||||||
|
char* dynNameSpace = NULL;
|
||||||
|
#ifdef UTIL_HAS_CREATEFILELIST
|
||||||
|
const char** fileNamesTable = NULL;
|
||||||
|
char* fileNamesBuf = NULL;
|
||||||
|
unsigned fileNamesNb;
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* init */
|
||||||
|
if (filenameTable==NULL) { DISPLAY("zstd: %s \n", strerror(errno)); exit(1); }
|
||||||
|
displayOut = stderr;
|
||||||
|
|
||||||
|
/* Pick out program name from path. Don't rely on stdlib because of conflicting behavior */
|
||||||
|
{ size_t pos;
|
||||||
|
for (pos = (int)strlen(programName); pos > 0; pos--) { if (programName[pos] == '/') { pos++; break; } }
|
||||||
|
programName += pos;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* command switches */
|
||||||
|
for(argNb=1; argNb<argCount; argNb++) {
|
||||||
|
const char* argument = argv[argNb];
|
||||||
|
if(!argument) continue; /* Protection if argument empty */
|
||||||
|
|
||||||
|
if (nextArgumentIsFile==0) {
|
||||||
|
|
||||||
|
/* long commands (--long-word) */
|
||||||
|
if (!strcmp(argument, "--")) { nextArgumentIsFile=1; continue; }
|
||||||
|
if (!strcmp(argument, "--version")) { displayOut=stdout; DISPLAY(WELCOME_MESSAGE); CLEAN_RETURN(0); }
|
||||||
|
if (!strcmp(argument, "--help")) { displayOut=stdout; CLEAN_RETURN(usage(programName)); }
|
||||||
|
if (!strcmp(argument, "--verbose")) { g_displayLevel++; continue; }
|
||||||
|
if (!strcmp(argument, "--quiet")) { g_displayLevel--; continue; }
|
||||||
|
|
||||||
|
/* Decode commands (note : aggregated commands are allowed) */
|
||||||
|
if (argument[0]=='-') {
|
||||||
|
argument++;
|
||||||
|
|
||||||
|
while (argument[0]!=0) {
|
||||||
|
switch(argument[0])
|
||||||
|
{
|
||||||
|
/* Display help */
|
||||||
|
case 'V': displayOut=stdout; DISPLAY(WELCOME_MESSAGE); CLEAN_RETURN(0); /* Version Only */
|
||||||
|
case 'H':
|
||||||
|
case 'h': displayOut=stdout; CLEAN_RETURN(usage(programName));
|
||||||
|
|
||||||
|
/* Use file content as dictionary */
|
||||||
|
case 'D': nextEntryIsDictionary = 1; argument++; break;
|
||||||
|
|
||||||
|
/* Verbose mode */
|
||||||
|
case 'v': g_displayLevel++; argument++; break;
|
||||||
|
|
||||||
|
/* Quiet mode */
|
||||||
|
case 'q': g_displayLevel--; argument++; break;
|
||||||
|
|
||||||
|
#ifdef UTIL_HAS_CREATEFILELIST
|
||||||
|
/* recursive */
|
||||||
|
case 'r': recursive=1; argument++; break;
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* Benchmark */
|
||||||
|
case 'b':
|
||||||
|
/* first compression Level */
|
||||||
|
argument++;
|
||||||
|
cLevel = readU32FromChar(&argument);
|
||||||
|
break;
|
||||||
|
|
||||||
|
/* range bench (benchmark only) */
|
||||||
|
case 'e':
|
||||||
|
/* last compression Level */
|
||||||
|
argument++;
|
||||||
|
cLevelLast = readU32FromChar(&argument);
|
||||||
|
break;
|
||||||
|
|
||||||
|
/* Modify Nb Iterations (benchmark only) */
|
||||||
|
case 'i':
|
||||||
|
argument++;
|
||||||
|
{ U32 const iters = readU32FromChar(&argument);
|
||||||
|
BMK_setNotificationLevel(g_displayLevel);
|
||||||
|
BMK_SetNbIterations(iters);
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
/* cut input into blocks (benchmark only) */
|
||||||
|
case 'B':
|
||||||
|
argument++;
|
||||||
|
{ size_t bSize = readU32FromChar(&argument);
|
||||||
|
if (toupper(*argument)=='K') bSize<<=10, argument++; /* allows using KB notation */
|
||||||
|
if (toupper(*argument)=='M') bSize<<=20, argument++;
|
||||||
|
if (toupper(*argument)=='B') argument++;
|
||||||
|
BMK_setNotificationLevel(g_displayLevel);
|
||||||
|
BMK_SetBlockSize(bSize);
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
/* Pause at the end (-p) or set an additional param (-p#) (hidden option) */
|
||||||
|
case 'p': argument++;
|
||||||
|
if ((*argument>='0') && (*argument<='9')) {
|
||||||
|
BMK_setAdditionalParam(readU32FromChar(&argument));
|
||||||
|
} else
|
||||||
|
main_pause=1;
|
||||||
|
break;
|
||||||
|
/* unknown command */
|
||||||
|
default : CLEAN_RETURN(badusage(programName));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
continue;
|
||||||
|
} /* if (argument[0]=='-') */
|
||||||
|
|
||||||
|
} /* if (nextArgumentIsAFile==0) */
|
||||||
|
|
||||||
|
if (nextEntryIsDictionary) {
|
||||||
|
nextEntryIsDictionary = 0;
|
||||||
|
dictFileName = argument;
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* add filename to list */
|
||||||
|
filenameTable[filenameIdx++] = argument;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Welcome message (if verbose) */
|
||||||
|
DISPLAYLEVEL(3, WELCOME_MESSAGE);
|
||||||
|
|
||||||
|
#ifdef UTIL_HAS_CREATEFILELIST
|
||||||
|
if (recursive) {
|
||||||
|
fileNamesTable = UTIL_createFileList(filenameTable, filenameIdx, &fileNamesBuf, &fileNamesNb);
|
||||||
|
if (fileNamesTable) {
|
||||||
|
unsigned u;
|
||||||
|
for (u=0; u<fileNamesNb; u++) DISPLAYLEVEL(4, "%u %s\n", u, fileNamesTable[u]);
|
||||||
|
free((void*)filenameTable);
|
||||||
|
filenameTable = fileNamesTable;
|
||||||
|
filenameIdx = fileNamesNb;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
BMK_setNotificationLevel(g_displayLevel);
|
||||||
|
BMK_benchFiles(filenameTable, filenameIdx, dictFileName, cLevel, cLevelLast);
|
||||||
|
|
||||||
|
_end:
|
||||||
|
if (main_pause) waitEnter();
|
||||||
|
free(dynNameSpace);
|
||||||
|
#ifdef UTIL_HAS_CREATEFILELIST
|
||||||
|
if (fileNamesTable)
|
||||||
|
UTIL_freeFileList(fileNamesTable, fileNamesBuf);
|
||||||
|
else
|
||||||
|
#endif
|
||||||
|
free((void*)filenameTable);
|
||||||
|
return operationResult;
|
||||||
|
}
|
||||||
@ -36,8 +36,8 @@ int isUsingZSTD(void);
|
|||||||
const char * zstdVersion(void);
|
const char * zstdVersion(void);
|
||||||
|
|
||||||
/* Changes a pledged source size for a given compression stream.
|
/* Changes a pledged source size for a given compression stream.
|
||||||
The function should be called after deflateInit().
|
It will change ZSTD compression parameters what may improve compression speed and/or ratio.
|
||||||
After this function deflateReset() should be called. */
|
The function should be called just after deflateInit(). */
|
||||||
int ZSTD_setPledgedSrcSize(z_streamp strm, unsigned long long pledgedSrcSize);
|
int ZSTD_setPledgedSrcSize(z_streamp strm, unsigned long long pledgedSrcSize);
|
||||||
|
|
||||||
|
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user