--- /dev/null
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ * 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).
+ */
+
+
+/* *************************************
+* Includes
+***************************************/
+#include "util.h" /* Compiler options, UTIL_GetFileSize, UTIL_sleep */
+#include <stdlib.h> /* malloc, free */
+#include <string.h> /* memset */
+#include <stdio.h> /* fprintf, fopen, ftello64 */
+#include <time.h> /* clock_t, clock, CLOCKS_PER_SEC */
+#include <ctype.h> /* toupper */
+#include <errno.h> /* errno */
+
+#include "timefn.h" /* UTIL_time_t, UTIL_getTime, UTIL_clockSpanMicro, UTIL_waitForNextTick */
+#include "mem.h"
+#define ZSTD_STATIC_LINKING_ONLY
+#include "zstd.h"
+#include "datagen.h" /* RDG_genBuffer */
+#include "xxhash.h"
+
+#include "../zstd_zlibwrapper.h"
+
+
+
+/*-************************************
+* Tuning parameters
+**************************************/
+#ifndef ZSTDCLI_CLEVEL_DEFAULT
+# define ZSTDCLI_CLEVEL_DEFAULT 3
+#endif
+
+
+/*-************************************
+* Constants
+**************************************/
+#define COMPRESSOR_NAME "Zstandard wrapper for zlib command line interface"
+#ifndef ZSTD_VERSION
+# define ZSTD_VERSION "v" ZSTD_VERSION_STRING
+#endif
+#define AUTHOR "Yann Collet"
+#define WELCOME_MESSAGE "*** %s %i-bits %s, by %s ***\n", COMPRESSOR_NAME, (int)(sizeof(size_t)*8), ZSTD_VERSION, AUTHOR
+
+#ifndef ZSTD_GIT_COMMIT
+# define ZSTD_GIT_COMMIT_STRING ""
+#else
+# define ZSTD_GIT_COMMIT_STRING ZSTD_EXPAND_AND_QUOTE(ZSTD_GIT_COMMIT)
+#endif
+
+#define NBLOOPS 3
+#define TIMELOOP_MICROSEC 1*1000000ULL /* 1 second */
+#define ACTIVEPERIOD_MICROSEC 70*1000000ULL /* 70 seconds */
+#define COOLPERIOD_SEC 10
+
+#define KB *(1 <<10)
+#define MB *(1 <<20)
+#define GB *(1U<<30)
+
+static const size_t maxMemory = (sizeof(size_t)==4) ? (2 GB - 64 MB) : (size_t)(1ULL << ((sizeof(size_t)*8)-31));
+
+static U32 g_compressibilityDefault = 50;
+
+
+/* *************************************
+* console display
+***************************************/
+#define DEFAULT_DISPLAY_LEVEL 2
+#define DISPLAY(...) fprintf(displayOut, __VA_ARGS__)
+#define DISPLAYLEVEL(l, ...) if (g_displayLevel>=l) { DISPLAY(__VA_ARGS__); }
+static unsigned g_displayLevel = DEFAULT_DISPLAY_LEVEL; /* 0 : no display; 1: errors; 2 : + result + interaction + warnings; 3 : + progression; 4 : + information */
+static FILE* displayOut;
+
+#define DISPLAYUPDATE(l, ...) if (g_displayLevel>=l) { \
+ if ((clock() - g_time > refreshRate) || (g_displayLevel>=4)) \
+ { g_time = clock(); DISPLAY(__VA_ARGS__); \
+ if (g_displayLevel>=4) fflush(displayOut); } }
+static const clock_t refreshRate = CLOCKS_PER_SEC * 15 / 100;
+static clock_t g_time = 0;
+
+
+/* *************************************
+* Exceptions
+***************************************/
+#ifndef DEBUG
+# define DEBUG 0
+#endif
+#define DEBUGOUTPUT(...) { if (DEBUG) DISPLAY(__VA_ARGS__); }
+#define EXM_THROW(error, ...) \
+{ \
+ DEBUGOUTPUT("Error defined at %s, line %i : \n", __FILE__, __LINE__); \
+ DISPLAYLEVEL(1, "Error %i : ", error); \
+ DISPLAYLEVEL(1, __VA_ARGS__); \
+ DISPLAYLEVEL(1, "\n"); \
+ exit(error); \
+}
+
+
+/* *************************************
+* Benchmark Parameters
+***************************************/
+static unsigned g_nbIterations = NBLOOPS;
+static size_t g_blockSize = 0;
+int g_additionalParam = 0;
+
+static void BMK_setNotificationLevel(unsigned level) { g_displayLevel=level; }
+
+static void BMK_setAdditionalParam(int additionalParam) { g_additionalParam=additionalParam; }
+
+static void BMK_SetNbIterations(unsigned nbLoops)
+{
+ g_nbIterations = nbLoops;
+ DISPLAYLEVEL(3, "- test >= %u seconds per compression / decompression -\n", g_nbIterations);
+}
+
+static void BMK_SetBlockSize(size_t blockSize)
+{
+ g_blockSize = blockSize;
+ DISPLAYLEVEL(2, "using blocks of size %u KB \n", (unsigned)(blockSize>>10));
+}
+
+
+/* ********************************************************
+* Bench functions
+**********************************************************/
+#undef MIN
+#undef MAX
+#define MIN(a,b) ((a)<(b) ? (a) : (b))
+#define MAX(a,b) ((a)>(b) ? (a) : (b))
+
+typedef struct
+{
+ z_const char* srcPtr;
+ size_t srcSize;
+ char* cPtr;
+ size_t cRoom;
+ size_t cSize;
+ char* resPtr;
+ size_t resSize;
+} blockParam_t;
+
+typedef enum { BMK_ZSTD, BMK_ZSTD_STREAM, BMK_ZLIB, BMK_ZWRAP_ZLIB, BMK_ZWRAP_ZSTD, BMK_ZLIB_REUSE, BMK_ZWRAP_ZLIB_REUSE, BMK_ZWRAP_ZSTD_REUSE } BMK_compressor;
+
+
+static int BMK_benchMem(z_const void* srcBuffer, size_t srcSize,
+ const char* displayName, int cLevel,
+ const size_t* fileSizes, U32 nbFiles,
+ const void* dictBuffer, size_t dictBufferSize, BMK_compressor compressor)
+{
+ size_t const blockSize = (g_blockSize>=32 ? g_blockSize : srcSize) + (!srcSize) /* avoid div by 0 */ ;
+ size_t const avgSize = MIN(g_blockSize, (srcSize / nbFiles));
+ U32 const maxNbBlocks = (U32) ((srcSize + (blockSize-1)) / blockSize) + nbFiles;
+ blockParam_t* const blockTable = (blockParam_t*) malloc(maxNbBlocks * sizeof(blockParam_t));
+ size_t const maxCompressedSize = ZSTD_compressBound(srcSize) + (maxNbBlocks * 1024); /* add some room for safety */
+ void* const compressedBuffer = malloc(maxCompressedSize);
+ void* const resultBuffer = malloc(srcSize);
+ ZSTD_CCtx* const ctx = ZSTD_createCCtx();
+ ZSTD_DCtx* const dctx = ZSTD_createDCtx();
+ U32 nbBlocks;
+
+ /* checks */
+ if (!compressedBuffer || !resultBuffer || !blockTable || !ctx || !dctx)
+ EXM_THROW(31, "allocation error : not enough memory");
+
+ /* init */
+ if (strlen(displayName)>17) displayName += strlen(displayName)-17; /* can only display 17 characters */
+
+ /* Init blockTable data */
+ { z_const char* srcPtr = (z_const char*)srcBuffer;
+ char* cPtr = (char*)compressedBuffer;
+ char* resPtr = (char*)resultBuffer;
+ U32 fileNb;
+ for (nbBlocks=0, fileNb=0; fileNb<nbFiles; fileNb++) {
+ size_t remaining = fileSizes[fileNb];
+ U32 const nbBlocksforThisFile = (U32)((remaining + (blockSize-1)) / blockSize);
+ U32 const blockEnd = nbBlocks + nbBlocksforThisFile;
+ for ( ; nbBlocks<blockEnd; nbBlocks++) {
+ size_t const thisBlockSize = MIN(remaining, blockSize);
+ blockTable[nbBlocks].srcPtr = srcPtr;
+ blockTable[nbBlocks].cPtr = cPtr;
+ blockTable[nbBlocks].resPtr = resPtr;
+ blockTable[nbBlocks].srcSize = thisBlockSize;
+ blockTable[nbBlocks].cRoom = ZSTD_compressBound(thisBlockSize);
+ srcPtr += thisBlockSize;
+ cPtr += blockTable[nbBlocks].cRoom;
+ resPtr += thisBlockSize;
+ remaining -= thisBlockSize;
+ } } }
+
+ /* warming up memory */
+ RDG_genBuffer(compressedBuffer, maxCompressedSize, 0.10, 0.50, 1);
+
+ /* Bench */
+ { U64 fastestC = (U64)(-1LL), fastestD = (U64)(-1LL);
+ U64 const crcOrig = XXH64(srcBuffer, srcSize, 0);
+ UTIL_time_t coolTime;
+ U64 const maxTime = (g_nbIterations * TIMELOOP_MICROSEC) + 100;
+ U64 totalCTime=0, totalDTime=0;
+ U32 cCompleted=0, dCompleted=0;
+# define NB_MARKS 4
+ const char* const marks[NB_MARKS] = { " |", " /", " =", "\\" };
+ U32 markNb = 0;
+ size_t cSize = 0;
+ double ratio = 0.;
+
+ coolTime = UTIL_getTime();
+ DISPLAYLEVEL(2, "\r%79s\r", "");
+ while (!cCompleted | !dCompleted) {
+ UTIL_time_t clockStart;
+ U64 clockLoop = g_nbIterations ? TIMELOOP_MICROSEC : 1;
+
+ /* overheat protection */
+ if (UTIL_clockSpanMicro(coolTime) > ACTIVEPERIOD_MICROSEC) {
+ DISPLAYLEVEL(2, "\rcooling down ... \r");
+ UTIL_sleep(COOLPERIOD_SEC);
+ coolTime = UTIL_getTime();
+ }
+
+ /* Compression */
+ DISPLAYLEVEL(2, "%2s-%-17.17s :%10u ->\r", marks[markNb], displayName, (unsigned)srcSize);
+ if (!cCompleted) memset(compressedBuffer, 0xE5, maxCompressedSize); /* warm up and erase result buffer */
+
+ UTIL_sleepMilli(1); /* give processor time to other processes */
+ UTIL_waitForNextTick();
+ clockStart = UTIL_getTime();
+
+ if (!cCompleted) { /* still some time to do compression tests */
+ U32 nbLoops = 0;
+ if (compressor == BMK_ZSTD) {
+ ZSTD_parameters const zparams = ZSTD_getParams(cLevel, avgSize, dictBufferSize);
+ ZSTD_customMem const cmem = { NULL, NULL, NULL };
+ ZSTD_CDict* const cdict = ZSTD_createCDict_advanced(dictBuffer, dictBufferSize, ZSTD_dlm_byRef, ZSTD_dct_auto, zparams.cParams, cmem);
+ if (cdict==NULL) EXM_THROW(1, "ZSTD_createCDict_advanced() allocation failure");
+
+ do {
+ U32 blockNb;
+ size_t rSize;
+ for (blockNb=0; blockNb<nbBlocks; blockNb++) {
+ if (dictBufferSize) {
+ rSize = ZSTD_compress_usingCDict(ctx,
+ blockTable[blockNb].cPtr, blockTable[blockNb].cRoom,
+ blockTable[blockNb].srcPtr,blockTable[blockNb].srcSize,
+ cdict);
+ } else {
+ rSize = ZSTD_compressCCtx (ctx,
+ blockTable[blockNb].cPtr, blockTable[blockNb].cRoom,
+ blockTable[blockNb].srcPtr,blockTable[blockNb].srcSize, cLevel);
+ }
+ if (ZSTD_isError(rSize)) EXM_THROW(1, "ZSTD_compress_usingCDict() failed : %s", ZSTD_getErrorName(rSize));
+ blockTable[blockNb].cSize = rSize;
+ }
+ nbLoops++;
+ } while (UTIL_clockSpanMicro(clockStart) < clockLoop);
+ ZSTD_freeCDict(cdict);
+ } else if (compressor == BMK_ZSTD_STREAM) {
+ ZSTD_parameters const zparams = ZSTD_getParams(cLevel, avgSize, dictBufferSize);
+ ZSTD_inBuffer inBuffer;
+ ZSTD_outBuffer outBuffer;
+ ZSTD_CStream* zbc = ZSTD_createCStream();
+ size_t rSize;
+ ZSTD_CCtx_params* cctxParams = ZSTD_createCCtxParams();
+
+ if (!cctxParams) EXM_THROW(1, "ZSTD_createCCtxParams() allocation failure");
+ if (zbc == NULL) EXM_THROW(1, "ZSTD_createCStream() allocation failure");
+
+ { int initErr = 0;
+ initErr |= ZSTD_isError(ZSTD_CCtx_reset(zbc, ZSTD_reset_session_only));
+ initErr |= ZSTD_isError(ZSTD_CCtxParams_init_advanced(cctxParams, zparams));
+ initErr |= ZSTD_isError(ZSTD_CCtx_setParametersUsingCCtxParams(zbc, cctxParams));
+ initErr |= ZSTD_isError(ZSTD_CCtx_setPledgedSrcSize(zbc, avgSize));
+ initErr |= ZSTD_isError(ZSTD_CCtx_loadDictionary(zbc, dictBuffer, dictBufferSize));
+
+ ZSTD_freeCCtxParams(cctxParams);
+ if (initErr) EXM_THROW(1, "CCtx init failed!");
+ }
+
+ do {
+ U32 blockNb;
+ for (blockNb=0; blockNb<nbBlocks; blockNb++) {
+ rSize = ZSTD_CCtx_reset(zbc, ZSTD_reset_session_only);
+ if (ZSTD_isError(rSize)) EXM_THROW(1, "ZSTD_CCtx_reset() failed : %s", ZSTD_getErrorName(rSize));
+ rSize = ZSTD_CCtx_setPledgedSrcSize(zbc, blockTable[blockNb].srcSize);
+ if (ZSTD_isError(rSize)) EXM_THROW(1, "ZSTD_CCtx_setPledgedSrcSize() failed : %s", ZSTD_getErrorName(rSize));
+ inBuffer.src = blockTable[blockNb].srcPtr;
+ inBuffer.size = blockTable[blockNb].srcSize;
+ inBuffer.pos = 0;
+ outBuffer.dst = blockTable[blockNb].cPtr;
+ outBuffer.size = blockTable[blockNb].cRoom;
+ outBuffer.pos = 0;
+ rSize = ZSTD_compressStream(zbc, &outBuffer, &inBuffer);
+ if (ZSTD_isError(rSize)) EXM_THROW(1, "ZSTD_compressStream() failed : %s", ZSTD_getErrorName(rSize));
+ rSize = ZSTD_endStream(zbc, &outBuffer);
+ if (ZSTD_isError(rSize)) EXM_THROW(1, "ZSTD_endStream() failed : %s", ZSTD_getErrorName(rSize));
+ blockTable[blockNb].cSize = outBuffer.pos;
+ }
+ nbLoops++;
+ } while (UTIL_clockSpanMicro(clockStart) < clockLoop);
+ ZSTD_freeCStream(zbc);
+ } else if (compressor == BMK_ZWRAP_ZLIB_REUSE || compressor == BMK_ZWRAP_ZSTD_REUSE || compressor == BMK_ZLIB_REUSE) {
+ z_stream def;
+ int ret;
+ int useSetDict = (dictBuffer != NULL);
+ if (compressor == BMK_ZLIB_REUSE || compressor == BMK_ZWRAP_ZLIB_REUSE) ZWRAP_useZSTDcompression(0);
+ else ZWRAP_useZSTDcompression(1);
+ def.zalloc = Z_NULL;
+ def.zfree = Z_NULL;
+ def.opaque = Z_NULL;
+ ret = deflateInit(&def, cLevel);
+ if (ret != Z_OK) EXM_THROW(1, "deflateInit failure");
+ /* if (ZWRAP_isUsingZSTDcompression()) {
+ ret = ZWRAP_setPledgedSrcSize(&def, avgSize);
+ if (ret != Z_OK) EXM_THROW(1, "ZWRAP_setPledgedSrcSize failure");
+ } */
+ do {
+ U32 blockNb;
+ for (blockNb=0; blockNb<nbBlocks; blockNb++) {
+ if (ZWRAP_isUsingZSTDcompression())
+ ret = ZWRAP_deflateReset_keepDict(&def); /* reuse dictionary to make compression faster */
+ else
+ ret = deflateReset(&def);
+ if (ret != Z_OK) EXM_THROW(1, "deflateReset failure");
+ if (useSetDict) {
+ ret = deflateSetDictionary(&def, (const z_Bytef*)dictBuffer, dictBufferSize);
+ if (ret != Z_OK) EXM_THROW(1, "deflateSetDictionary failure");
+ if (ZWRAP_isUsingZSTDcompression()) useSetDict = 0; /* zstd doesn't require deflateSetDictionary after ZWRAP_deflateReset_keepDict */
+ }
+ def.next_in = (z_const z_Bytef*) blockTable[blockNb].srcPtr;
+ def.avail_in = (uInt)blockTable[blockNb].srcSize;
+ def.total_in = 0;
+ def.next_out = (z_Bytef*) blockTable[blockNb].cPtr;
+ def.avail_out = (uInt)blockTable[blockNb].cRoom;
+ def.total_out = 0;
+ ret = deflate(&def, Z_FINISH);
+ if (ret != Z_STREAM_END) EXM_THROW(1, "deflate failure ret=%d srcSize=%d" , ret, (int)blockTable[blockNb].srcSize);
+ blockTable[blockNb].cSize = def.total_out;
+ }
+ nbLoops++;
+ } while (UTIL_clockSpanMicro(clockStart) < clockLoop);
+ ret = deflateEnd(&def);
+ if (ret != Z_OK) EXM_THROW(1, "deflateEnd failure");
+ } else {
+ z_stream def;
+ if (compressor == BMK_ZLIB || compressor == BMK_ZWRAP_ZLIB) ZWRAP_useZSTDcompression(0);
+ else ZWRAP_useZSTDcompression(1);
+ do {
+ U32 blockNb;
+ for (blockNb=0; blockNb<nbBlocks; blockNb++) {
+ int ret;
+ def.zalloc = Z_NULL;
+ def.zfree = Z_NULL;
+ def.opaque = Z_NULL;
+ ret = deflateInit(&def, cLevel);
+ if (ret != Z_OK) EXM_THROW(1, "deflateInit failure");
+ if (dictBuffer) {
+ ret = deflateSetDictionary(&def, (const z_Bytef*)dictBuffer, dictBufferSize);
+ if (ret != Z_OK) EXM_THROW(1, "deflateSetDictionary failure");
+ }
+ def.next_in = (z_const z_Bytef*) blockTable[blockNb].srcPtr;
+ def.avail_in = (uInt)blockTable[blockNb].srcSize;
+ def.total_in = 0;
+ def.next_out = (z_Bytef*) blockTable[blockNb].cPtr;
+ def.avail_out = (uInt)blockTable[blockNb].cRoom;
+ def.total_out = 0;
+ ret = deflate(&def, Z_FINISH);
+ if (ret != Z_STREAM_END) EXM_THROW(1, "deflate failure");
+ ret = deflateEnd(&def);
+ if (ret != Z_OK) EXM_THROW(1, "deflateEnd failure");
+ blockTable[blockNb].cSize = def.total_out;
+ }
+ nbLoops++;
+ } while (UTIL_clockSpanMicro(clockStart) < clockLoop);
+ }
+ { U64 const clockSpan = UTIL_clockSpanMicro(clockStart);
+ if (clockSpan < fastestC*nbLoops) fastestC = clockSpan / nbLoops;
+ totalCTime += clockSpan;
+ cCompleted = totalCTime>maxTime;
+ } }
+
+ cSize = 0;
+ { U32 blockNb; for (blockNb=0; blockNb<nbBlocks; blockNb++) cSize += blockTable[blockNb].cSize; }
+ ratio = (double)srcSize / (double)cSize;
+ markNb = (markNb+1) % NB_MARKS;
+ DISPLAYLEVEL(2, "%2s-%-17.17s :%10u ->%10u (%5.3f),%6.1f MB/s\r",
+ marks[markNb], displayName, (unsigned)srcSize, (unsigned)cSize, ratio,
+ (double)srcSize / (double)fastestC );
+
+ (void)fastestD; (void)crcOrig; /* unused when decompression disabled */
+#if 1
+ /* Decompression */
+ if (!dCompleted) memset(resultBuffer, 0xD6, srcSize); /* warm result buffer */
+
+ UTIL_sleepMilli(1); /* give processor time to other processes */
+ UTIL_waitForNextTick();
+ clockStart = UTIL_getTime();
+
+ if (!dCompleted) {
+ U32 nbLoops = 0;
+ if (compressor == BMK_ZSTD) {
+ ZSTD_DDict* ddict = ZSTD_createDDict(dictBuffer, dictBufferSize);
+ if (!ddict) EXM_THROW(2, "ZSTD_createDDict() allocation failure");
+ do {
+ unsigned blockNb;
+ for (blockNb=0; blockNb<nbBlocks; blockNb++) {
+ size_t const regenSize = ZSTD_decompress_usingDDict(dctx,
+ blockTable[blockNb].resPtr, blockTable[blockNb].srcSize,
+ blockTable[blockNb].cPtr, blockTable[blockNb].cSize,
+ ddict);
+ if (ZSTD_isError(regenSize)) {
+ DISPLAY("ZSTD_decompress_usingDDict() failed on block %u : %s \n",
+ blockNb, ZSTD_getErrorName(regenSize));
+ clockLoop = 0; /* force immediate test end */
+ break;
+ }
+ blockTable[blockNb].resSize = regenSize;
+ }
+ nbLoops++;
+ } while (UTIL_clockSpanMicro(clockStart) < clockLoop);
+ ZSTD_freeDDict(ddict);
+ } else if (compressor == BMK_ZSTD_STREAM) {
+ ZSTD_inBuffer inBuffer;
+ ZSTD_outBuffer outBuffer;
+ ZSTD_DStream* zbd = ZSTD_createDStream();
+ size_t rSize;
+ if (zbd == NULL) EXM_THROW(1, "ZSTD_createDStream() allocation failure");
+ rSize = ZSTD_DCtx_reset(zbd, ZSTD_reset_session_only);
+ if (ZSTD_isError(rSize)) EXM_THROW(1, "ZSTD_DCtx_reset() failed : %s", ZSTD_getErrorName(rSize));
+ rSize = ZSTD_DCtx_loadDictionary(zbd, dictBuffer, dictBufferSize);
+ if (ZSTD_isError(rSize)) EXM_THROW(1, "ZSTD_DCtx_loadDictionary() failed : %s", ZSTD_getErrorName(rSize));
+ do {
+ U32 blockNb;
+ for (blockNb=0; blockNb<nbBlocks; blockNb++) {
+ rSize = ZSTD_DCtx_reset(zbd, ZSTD_reset_session_only);
+ if (ZSTD_isError(rSize)) EXM_THROW(1, "ZSTD_DCtx_reset() failed : %s", ZSTD_getErrorName(rSize));
+ inBuffer.src = blockTable[blockNb].cPtr;
+ inBuffer.size = blockTable[blockNb].cSize;
+ inBuffer.pos = 0;
+ outBuffer.dst = blockTable[blockNb].resPtr;
+ outBuffer.size = blockTable[blockNb].srcSize;
+ outBuffer.pos = 0;
+ rSize = ZSTD_decompressStream(zbd, &outBuffer, &inBuffer);
+ if (ZSTD_isError(rSize)) EXM_THROW(1, "ZSTD_decompressStream() failed : %s", ZSTD_getErrorName(rSize));
+ blockTable[blockNb].resSize = outBuffer.pos;
+ }
+ nbLoops++;
+ } while (UTIL_clockSpanMicro(clockStart) < clockLoop);
+ ZSTD_freeDStream(zbd);
+ } else if (compressor == BMK_ZWRAP_ZLIB_REUSE || compressor == BMK_ZWRAP_ZSTD_REUSE || compressor == BMK_ZLIB_REUSE) {
+ z_stream inf;
+ int ret;
+ if (compressor == BMK_ZLIB_REUSE) ZWRAP_setDecompressionType(ZWRAP_FORCE_ZLIB);
+ else ZWRAP_setDecompressionType(ZWRAP_AUTO);
+ inf.zalloc = Z_NULL;
+ inf.zfree = Z_NULL;
+ inf.opaque = Z_NULL;
+ ret = inflateInit(&inf);
+ if (ret != Z_OK) EXM_THROW(1, "inflateInit failure");
+ do {
+ U32 blockNb;
+ for (blockNb=0; blockNb<nbBlocks; blockNb++) {
+ if (ZWRAP_isUsingZSTDdecompression(&inf))
+ ret = ZWRAP_inflateReset_keepDict(&inf); /* reuse dictionary to make decompression faster; inflate will return Z_NEED_DICT only for the first time */
+ else
+ ret = inflateReset(&inf);
+ if (ret != Z_OK) EXM_THROW(1, "inflateReset failure");
+ inf.next_in = (z_const z_Bytef*) blockTable[blockNb].cPtr;
+ inf.avail_in = (uInt)blockTable[blockNb].cSize;
+ inf.total_in = 0;
+ inf.next_out = (z_Bytef*) blockTable[blockNb].resPtr;
+ inf.avail_out = (uInt)blockTable[blockNb].srcSize;
+ inf.total_out = 0;
+ ret = inflate(&inf, Z_FINISH);
+ if (ret == Z_NEED_DICT) {
+ ret = inflateSetDictionary(&inf, (const z_Bytef*)dictBuffer, dictBufferSize);
+ if (ret != Z_OK) EXM_THROW(1, "inflateSetDictionary failure");
+ ret = inflate(&inf, Z_FINISH);
+ }
+ if (ret != Z_STREAM_END) EXM_THROW(1, "inflate failure");
+ blockTable[blockNb].resSize = inf.total_out;
+ }
+ nbLoops++;
+ } while (UTIL_clockSpanMicro(clockStart) < clockLoop);
+ ret = inflateEnd(&inf);
+ if (ret != Z_OK) EXM_THROW(1, "inflateEnd failure");
+ } else {
+ z_stream inf;
+ if (compressor == BMK_ZLIB) ZWRAP_setDecompressionType(ZWRAP_FORCE_ZLIB);
+ else ZWRAP_setDecompressionType(ZWRAP_AUTO);
+ do {
+ U32 blockNb;
+ for (blockNb=0; blockNb<nbBlocks; blockNb++) {
+ int ret;
+ inf.zalloc = Z_NULL;
+ inf.zfree = Z_NULL;
+ inf.opaque = Z_NULL;
+ ret = inflateInit(&inf);
+ if (ret != Z_OK) EXM_THROW(1, "inflateInit failure");
+ inf.next_in = (z_const z_Bytef*) blockTable[blockNb].cPtr;
+ inf.avail_in = (uInt)blockTable[blockNb].cSize;
+ inf.total_in = 0;
+ inf.next_out = (z_Bytef*) blockTable[blockNb].resPtr;
+ inf.avail_out = (uInt)blockTable[blockNb].srcSize;
+ inf.total_out = 0;
+ ret = inflate(&inf, Z_FINISH);
+ if (ret == Z_NEED_DICT) {
+ ret = inflateSetDictionary(&inf, (const z_Bytef*) dictBuffer, dictBufferSize);
+ if (ret != Z_OK) EXM_THROW(1, "inflateSetDictionary failure");
+ ret = inflate(&inf, Z_FINISH);
+ }
+ if (ret != Z_STREAM_END) EXM_THROW(1, "inflate failure");
+ ret = inflateEnd(&inf);
+ if (ret != Z_OK) EXM_THROW(1, "inflateEnd failure");
+ blockTable[blockNb].resSize = inf.total_out;
+ }
+ nbLoops++;
+ } while (UTIL_clockSpanMicro(clockStart) < clockLoop);
+ }
+ { U64 const clockSpan = UTIL_clockSpanMicro(clockStart);
+ if (clockSpan < fastestD*nbLoops) fastestD = clockSpan / nbLoops;
+ totalDTime += clockSpan;
+ dCompleted = totalDTime>maxTime;
+ } }
+
+ markNb = (markNb+1) % NB_MARKS;
+ DISPLAYLEVEL(2, "%2s-%-17.17s :%10u ->%10u (%5.3f),%6.1f MB/s ,%6.1f MB/s\r",
+ marks[markNb], displayName, (unsigned)srcSize, (unsigned)cSize, ratio,
+ (double)srcSize / (double)fastestC,
+ (double)srcSize / (double)fastestD );
+
+ /* CRC Checking */
+ { U64 const crcCheck = XXH64(resultBuffer, srcSize, 0);
+ if (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] != ((const BYTE*)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 + blockTable[segNb].srcSize > u) break;
+ bacc += blockTable[segNb].srcSize;
+ }
+ pos = (U32)(u - bacc);
+ bNb = pos / (128 KB);
+ DISPLAY("(block %u, sub %u, pos %u) \n", segNb, bNb, pos);
+ break;
+ }
+ if (u==srcSize-1) { /* should never happen */
+ DISPLAY("no difference detected\n");
+ } }
+ break;
+ } } /* CRC Checking */
+#endif
+ } /* for (testNb = 1; testNb <= (g_nbIterations + !g_nbIterations); testNb++) */
+
+ if (g_displayLevel == 1) {
+ double cSpeed = (double)srcSize / (double)fastestC;
+ double dSpeed = (double)srcSize / (double)fastestD;
+ if (g_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, g_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 */
+
+ /* 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 && requiredMem); /* do not allocate zero bytes */
+
+ free(testmem);
+ return (size_t)(requiredMem+1); /* avoid zero */
+}
+
+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_REALTIME_PRIORITY;
+
+ if (g_displayLevel == 1 && !g_additionalParam)
+ DISPLAY("bench %s %s: input %u bytes, %u seconds, %u KB blocks\n",
+ ZSTD_VERSION_STRING, ZSTD_GIT_COMMIT_STRING,
+ (unsigned)benchedSize, g_nbIterations, (unsigned)(g_blockSize>>10));
+
+ if (cLevelLast < cLevel) cLevelLast = cLevel;
+
+ DISPLAY("benchmarking zstd %s (using ZSTD_CStream)\n", ZSTD_VERSION_STRING);
+ for (l=cLevel; l <= cLevelLast; l++) {
+ BMK_benchMem(srcBuffer, benchedSize,
+ displayName, l,
+ fileSizes, nbFiles,
+ dictBuffer, dictBufferSize, BMK_ZSTD_STREAM);
+ }
+
+ DISPLAY("benchmarking zstd %s (using ZSTD_CCtx)\n", ZSTD_VERSION_STRING);
+ for (l=cLevel; l <= cLevelLast; l++) {
+ BMK_benchMem(srcBuffer, benchedSize,
+ displayName, l,
+ fileSizes, nbFiles,
+ dictBuffer, dictBufferSize, BMK_ZSTD);
+ }
+
+ DISPLAY("benchmarking zstd %s (using zlibWrapper)\n", ZSTD_VERSION_STRING);
+ for (l=cLevel; l <= cLevelLast; l++) {
+ BMK_benchMem(srcBuffer, benchedSize,
+ displayName, l,
+ fileSizes, nbFiles,
+ dictBuffer, dictBufferSize, BMK_ZWRAP_ZSTD_REUSE);
+ }
+
+ DISPLAY("benchmarking zstd %s (zlibWrapper not reusing a context)\n", ZSTD_VERSION_STRING);
+ for (l=cLevel; l <= cLevelLast; l++) {
+ BMK_benchMem(srcBuffer, benchedSize,
+ displayName, l,
+ fileSizes, nbFiles,
+ dictBuffer, dictBufferSize, BMK_ZWRAP_ZSTD);
+ }
+
+
+ if (cLevelLast > Z_BEST_COMPRESSION) cLevelLast = Z_BEST_COMPRESSION;
+
+ DISPLAY("\n");
+ DISPLAY("benchmarking zlib %s\n", ZLIB_VERSION);
+ for (l=cLevel; l <= cLevelLast; l++) {
+ BMK_benchMem(srcBuffer, benchedSize,
+ displayName, l,
+ fileSizes, nbFiles,
+ dictBuffer, dictBufferSize, BMK_ZLIB_REUSE);
+ }
+
+ DISPLAY("benchmarking zlib %s (zlib not reusing a context)\n", ZLIB_VERSION);
+ for (l=cLevel; l <= cLevelLast; l++) {
+ BMK_benchMem(srcBuffer, benchedSize,
+ displayName, l,
+ fileSizes, nbFiles,
+ dictBuffer, dictBufferSize, BMK_ZLIB);
+ }
+
+ DISPLAY("benchmarking zlib %s (using zlibWrapper)\n", ZLIB_VERSION);
+ for (l=cLevel; l <= cLevelLast; l++) {
+ BMK_benchMem(srcBuffer, benchedSize,
+ displayName, l,
+ fileSizes, nbFiles,
+ dictBuffer, dictBufferSize, BMK_ZWRAP_ZLIB_REUSE);
+ }
+
+ DISPLAY("benchmarking zlib %s (zlibWrapper not reusing a context)\n", ZLIB_VERSION);
+ for (l=cLevel; l <= cLevelLast; l++) {
+ BMK_benchMem(srcBuffer, benchedSize,
+ displayName, l,
+ fileSizes, nbFiles,
+ dictBuffer, dictBufferSize, BMK_ZWRAP_ZLIB);
+ }
+}
+
+
+/*! 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;
+ }
+ if (fileSize == UTIL_FILESIZE_UNKNOWN) {
+ DISPLAYLEVEL(2, "Cannot determine size of %s ... \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 const 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)", (unsigned)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", (unsigned)(benchedSize >> 20));
+ srcBuffer = malloc(benchedSize + !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);
+}
+
+
+static 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 : %d) \n", ZSTDCLI_CLEVEL_DEFAULT);
+ DISPLAY( " -e# : test all compression levels from -bX to # (default: %d)\n", ZSTDCLI_CLEVEL_DEFAULT);
+ DISPLAY( " -i# : minimum evaluation time in seconds (default : 3s)\n");
+ DISPLAY( " -B# : cut file into independent chunks of size # (default: no chunking)\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 += (unsigned)(**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;
+ FileNamesTable* filenames = UTIL_allocateFileNamesTable((size_t)argCount);
+ const char* programName = argv[0];
+ const char* dictFileName = NULL;
+ char* dynNameSpace = NULL;
+
+ /* init */
+ if (filenames==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 = 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 = (int)readU32FromChar(&argument);
+ break;
+
+ /* range bench (benchmark only) */
+ case 'e':
+ /* last compression Level */
+ argument++;
+ cLevelLast = (int)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((int)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 */
+ UTIL_refFilename(filenames, argument);
+ }
+
+ /* Welcome message (if verbose) */
+ DISPLAYLEVEL(3, WELCOME_MESSAGE);
+
+#ifdef UTIL_HAS_CREATEFILELIST
+ if (recursive) {
+ UTIL_expandFNT(&filenames, 1);
+ }
+#endif
+
+ BMK_setNotificationLevel(g_displayLevel);
+ BMK_benchFiles(filenames->fileNames, (unsigned)filenames->tableSize, dictFileName, cLevel, cLevelLast);
+
+_end:
+ if (main_pause) waitEnter();
+ free(dynNameSpace);
+ UTIL_freeFileNamesTable(filenames);
+ return operationResult;
+}
notaz.gp2x.de / pcsx_rearmed.git / blobdiff