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Merge pull request #1168 from GeorgeLu97/paramgrillfeatures

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Have paramgrill share bench.c benchmarking function
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Yann Collet 2018-06-13 11:38:29 -04:00 committed by GitHub
commit c986dbf241
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6 changed files with 210 additions and 259 deletions
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147
programs/bench.c
View File

@ -41,6 +41,7 @@
#include "zstd.h"
#include "datagen.h" /* RDG_genBuffer */
#include "xxhash.h"
#include "bench.h"
/* *************************************
@ -70,16 +71,16 @@ static U32 g_compressibilityDefault = 50;
* console display
***************************************/
#define DISPLAY(...) fprintf(stderr, __VA_ARGS__)
#define DISPLAYLEVEL(l, ...) if (g_displayLevel>=l) { DISPLAY(__VA_ARGS__); }
static int g_displayLevel = 2; /* 0 : no display; 1: errors; 2 : + result + interaction + warnings; 3 : + progression; 4 : + information */
#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 (g_displayLevel>=l) { \
if ((UTIL_clockSpanMicro(g_displayClock) > g_refreshRate) || (g_displayLevel>=4)) \
#define DISPLAYUPDATE(l, ...) { if (displayLevel>=l) { \
if ((UTIL_clockSpanMicro(g_displayClock) > g_refreshRate) || (displayLevel>=4)) \
{ g_displayClock = UTIL_getTime(); DISPLAY(__VA_ARGS__); \
if (g_displayLevel>=4) fflush(stderr); } } }
if (displayLevel>=4) fflush(stderr); } } }
/* *************************************
@ -104,30 +105,34 @@ static UTIL_time_t g_displayClock = UTIL_TIME_INITIALIZER;
static int g_additionalParam = 0;
static U32 g_decodeOnly = 0;
void BMK_setNotificationLevel(unsigned level) { g_displayLevel=level; }
void BMK_setAdditionalParam(int additionalParam) { g_additionalParam=additionalParam; }
//TODO : Deal with DISPLAYLEVEL for all these set functions
static U32 g_nbSeconds = BMK_TIMETEST_DEFAULT_S;
void BMK_setNbSeconds(unsigned nbSeconds)
{
g_nbSeconds = nbSeconds;
DISPLAYLEVEL(3, "- test >= %u seconds per compression / decompression - \n", g_nbSeconds);
DISPLAY("- test >= %u seconds per compression / decompression - \n", g_nbSeconds);
}
static size_t g_blockSize = 0;
void BMK_setBlockSize(size_t blockSize)
{
g_blockSize = blockSize;
if (g_blockSize) DISPLAYLEVEL(2, "using blocks of size %u KB \n", (U32)(blockSize>>10));
if (g_blockSize) DISPLAY("using blocks of size %u KB \n", (U32)(blockSize>>10));
}
void BMK_setDecodeOnlyMode(unsigned decodeFlag) { g_decodeOnly = (decodeFlag>0); }
static U32 g_nbWorkers = 0;
void BMK_setNbWorkers(unsigned nbWorkers) {
#ifndef ZSTD_MULTITHREAD
if (nbWorkers > 0) DISPLAYLEVEL(2, "Note : multi-threading is disabled \n");
if (nbWorkers > 0) DISPLAY("Note : multi-threading is disabled \n");
#endif
g_nbWorkers = nbWorkers;
}
@ -168,7 +173,6 @@ void BMK_setLdmHashEveryLog(unsigned ldmHashEveryLog) {
g_ldmHashEveryLog = ldmHashEveryLog;
}
/* ********************************************************
* Bench functions
**********************************************************/
@ -182,18 +186,18 @@ typedef struct {
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 int BMK_benchMem(const void* srcBuffer, size_t srcSize,
const char* displayName, int cLevel,
const size_t* fileSizes, U32 nbFiles,
BMK_return_t BMK_benchMem(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,
const ZSTD_compressionParameters* const comprParams)
ZSTD_CCtx* ctx, ZSTD_DCtx* dctx,
int displayLevel, const char* displayName)
{
size_t const blockSize = ((g_blockSize>=32 && !g_decodeOnly) ? g_blockSize : srcSize) + (!srcSize) /* avoid div by 0 */ ;
U32 const maxNbBlocks = (U32) ((srcSize + (blockSize-1)) / blockSize) + nbFiles;
@ -201,17 +205,20 @@ static int BMK_benchMem(const void* srcBuffer, size_t srcSize,
size_t const maxCompressedSize = ZSTD_compressBound(srcSize) + (maxNbBlocks * 1024); /* add some room for safety */
void* const compressedBuffer = malloc(maxCompressedSize);
void* resultBuffer = malloc(srcSize);
ZSTD_CCtx* const ctx = ZSTD_createCCtx();
ZSTD_DCtx* const dctx = ZSTD_createDCtx();
BMK_return_t results;
size_t const loadedCompressedSize = srcSize;
size_t cSize = 0;
double ratio = 0.;
U32 nbBlocks;
/* checks */
if (!compressedBuffer || !resultBuffer || !blockTable || !ctx || !dctx)
if (!compressedBuffer || !resultBuffer || !blockTable)
EXM_THROW(31, "allocation error : not enough memory");
if(!ctx || !dctx)
EXM_THROW(31, "error: passed in null context");
/* init */
if (strlen(displayName)>17) displayName += strlen(displayName)-17; /* display last 17 characters */
if (g_nbWorkers==1) g_nbWorkers=0; /* prefer synchronous mode */
@ -369,10 +376,12 @@ static int BMK_benchMem(const void* srcBuffer, size_t srcSize,
cSize = 0;
{ U32 blockNb; for (blockNb=0; blockNb<nbBlocks; blockNb++) cSize += blockTable[blockNb].cSize; }
ratio = (double)srcSize / (double)cSize;
results.result.cSize = cSize;
markNb = (markNb+1) % NB_MARKS;
{ int const ratioAccuracy = (ratio < 10.) ? 3 : 2;
double const compressionSpeed = ((double)srcSize / fastestC) * 1000;
int const cSpeedAccuracy = (compressionSpeed < 10.) ? 2 : 1;
results.result.cSpeed = compressionSpeed * 1000000;
DISPLAYLEVEL(2, "%2s-%-17.17s :%10u ->%10u (%5.*f),%6.*f MB/s\r",
marks[markNb], displayName, (U32)srcSize, (U32)cSize,
ratioAccuracy, ratio,
@ -428,6 +437,8 @@ static int BMK_benchMem(const void* srcBuffer, size_t srcSize,
double const compressionSpeed = ((double)srcSize / fastestC) * 1000;
int const cSpeedAccuracy = (compressionSpeed < 10.) ? 2 : 1;
double const decompressionSpeed = ((double)srcSize / fastestD) * 1000;
results.result.cSpeed = compressionSpeed * 1000000;
results.result.dSpeed = decompressionSpeed * 1000000;
DISPLAYLEVEL(2, "%2s-%-17.17s :%10u ->%10u (%5.*f),%6.*f MB/s ,%6.1f MB/s \r",
marks[markNb], displayName, (U32)srcSize, (U32)cSize,
ratioAccuracy, ratio,
@ -475,7 +486,7 @@ static int BMK_benchMem(const void* srcBuffer, size_t srcSize,
#endif
} /* for (testNb = 1; testNb <= (g_nbSeconds + !g_nbSeconds); testNb++) */
if (g_displayLevel == 1) { /* hidden display mode -q, used by python speed benchmark */
if (displayLevel == 1) { /* hidden display mode -q, used by python speed benchmark */
double const cSpeed = ((double)srcSize / fastestC) * 1000;
double const dSpeed = ((double)srcSize / fastestD) * 1000;
if (g_additionalParam)
@ -490,11 +501,30 @@ static int BMK_benchMem(const void* srcBuffer, size_t srcSize,
free(blockTable);
free(compressedBuffer);
free(resultBuffer);
ZSTD_freeCCtx(ctx);
ZSTD_freeDCtx(dctx);
return 0;
results.errorCode = 0;
return results;
}
static void BMK_benchMemCtxless(const void* srcBuffer, size_t srcSize,
const size_t* fileSizes, unsigned nbFiles,
int cLevel, const ZSTD_compressionParameters* const comprParams,
const void* dictBuffer, size_t dictBufferSize,
int displayLevel, const char* displayName)
{
ZSTD_CCtx* ctx = ZSTD_createCCtx();
ZSTD_DCtx* dctx = ZSTD_createDCtx();
if(ctx == NULL || dctx == NULL) {
EXM_THROW(12, "not enough memory for contexts");
}
BMK_benchMem(srcBuffer, srcSize,
fileSizes, nbFiles,
cLevel, comprParams,
dictBuffer, dictBufferSize,
ctx, dctx,
displayLevel, displayName);
ZSTD_freeCCtx(ctx);
ZSTD_freeDCtx(dctx);
}
static size_t BMK_findMaxMem(U64 requiredMem)
{
@ -514,11 +544,12 @@ static size_t BMK_findMaxMem(U64 requiredMem)
return (size_t)(requiredMem);
}
/* returns average stats over all range [cLevel, cLevelLast] */
static void BMK_benchCLevel(const void* srcBuffer, size_t benchedSize,
const char* displayName, int cLevel, int cLevelLast,
const size_t* fileSizes, unsigned nbFiles,
const int cLevel, const int cLevelLast, const ZSTD_compressionParameters* comprParams,
const void* dictBuffer, size_t dictBufferSize,
const ZSTD_compressionParameters* const compressionParams)
int displayLevel, const char* displayName)
{
int l;
@ -531,16 +562,19 @@ static void BMK_benchCLevel(const void* srcBuffer, size_t benchedSize,
SET_REALTIME_PRIORITY;
}
if (g_displayLevel == 1 && !g_additionalParam)
if (displayLevel == 1 && !g_additionalParam)
DISPLAY("bench %s %s: input %u bytes, %u seconds, %u KB blocks\n", ZSTD_VERSION_STRING, ZSTD_GIT_COMMIT_STRING, (U32)benchedSize, g_nbSeconds, (U32)(g_blockSize>>10));
for (l=cLevel; l <= cLevelLast; l++) {
if (l==0) continue; /* skip level 0 */
BMK_benchMem(srcBuffer, benchedSize,
displayName, l,
fileSizes, nbFiles,
dictBuffer, dictBufferSize, compressionParams);
BMK_benchMemCtxless(srcBuffer, benchedSize,
fileSizes, nbFiles,
l, comprParams,
dictBuffer, dictBufferSize,
displayLevel, displayName);
}
return;
}
@ -548,8 +582,8 @@ static void BMK_benchCLevel(const void* srcBuffer, size_t benchedSize,
* 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* const * const fileNamesTable, unsigned nbFiles)
size_t* fileSizes, const char* const * const fileNamesTable,
unsigned nbFiles, int displayLevel)
{
size_t pos = 0, totalSize = 0;
unsigned n;
@ -582,9 +616,8 @@ static void BMK_loadFiles(void* buffer, size_t bufferSize,
}
static void BMK_benchFileTable(const char* const * const fileNamesTable, unsigned const nbFiles,
const char* const dictFileName,
int const cLevel, int const cLevelLast,
const ZSTD_compressionParameters* const compressionParams)
const char* const dictFileName, int const cLevel, int const cLevelLast,
const ZSTD_compressionParameters* const compressionParams, int displayLevel)
{
void* srcBuffer;
size_t benchedSize;
@ -605,7 +638,7 @@ static void BMK_benchFileTable(const char* const * const fileNamesTable, unsigne
if (dictBuffer==NULL)
EXM_THROW(11, "not enough memory for dictionary (%u bytes)",
(U32)dictBufferSize);
BMK_loadFiles(dictBuffer, dictBufferSize, fileSizes, &dictFileName, 1);
BMK_loadFiles(dictBuffer, dictBufferSize, fileSizes, &dictFileName, 1, displayLevel);
}
/* Memory allocation & restrictions */
@ -617,28 +650,33 @@ static void BMK_benchFileTable(const char* const * const fileNamesTable, unsigne
if (!srcBuffer) EXM_THROW(12, "not enough memory");
/* Load input buffer */
BMK_loadFiles(srcBuffer, benchedSize, fileSizes, fileNamesTable, nbFiles);
BMK_loadFiles(srcBuffer, benchedSize, fileSizes, fileNamesTable, nbFiles, displayLevel);
/* Bench */
if (g_separateFiles) {
const BYTE* srcPtr = (const BYTE*)srcBuffer;
U32 fileNb;
BMK_result_t* resultarray = (BMK_result_t*)malloc(sizeof(BMK_result_t) * nbFiles);
if(resultarray == NULL) EXM_THROW(12, "not enough memory");
for (fileNb=0; fileNb<nbFiles; fileNb++) {
size_t const fileSize = fileSizes[fileNb];
BMK_benchCLevel(srcPtr, fileSize,
fileNamesTable[fileNb], cLevel, cLevelLast,
fileSizes+fileNb, 1,
dictBuffer, dictBufferSize, compressionParams);
cLevel, cLevelLast, compressionParams,
dictBuffer, dictBufferSize,
displayLevel, fileNamesTable[fileNb]);
srcPtr += fileSize;
}
} else {
char mfName[20] = {0};
snprintf (mfName, sizeof(mfName), " %u files", nbFiles);
{ const char* const displayName = (nbFiles > 1) ? mfName : fileNamesTable[0];
BMK_benchCLevel(srcBuffer, benchedSize,
displayName, cLevel, cLevelLast,
fileSizes, nbFiles,
dictBuffer, dictBufferSize, compressionParams);
cLevel, cLevelLast, compressionParams,
dictBuffer, dictBufferSize,
displayLevel, displayName);
} }
/* clean up */
@ -649,7 +687,8 @@ static void BMK_benchFileTable(const char* const * const fileNamesTable, unsigne
static void BMK_syntheticTest(int cLevel, int cLevelLast, double compressibility,
const ZSTD_compressionParameters* compressionParams)
const ZSTD_compressionParameters* compressionParams,
int displayLevel)
{
char name[20] = {0};
size_t benchedSize = 10000000;
@ -663,17 +702,21 @@ static void BMK_syntheticTest(int cLevel, int cLevelLast, double compressibility
/* Bench */
snprintf (name, sizeof(name), "Synthetic %2u%%", (unsigned)(compressibility*100));
BMK_benchCLevel(srcBuffer, benchedSize, name, cLevel, cLevelLast, &benchedSize, 1, NULL, 0, compressionParams);
BMK_benchCLevel(srcBuffer, benchedSize,
&benchedSize, 1,
cLevel, cLevelLast, compressionParams,
NULL, 0,
displayLevel, name);
/* clean up */
free(srcBuffer);
}
int BMK_benchFiles(const char** fileNamesTable, unsigned nbFiles,
static void BMK_benchFilesFull(const char** fileNamesTable, unsigned nbFiles,
const char* dictFileName,
int cLevel, int cLevelLast,
const ZSTD_compressionParameters* compressionParams)
const ZSTD_compressionParameters* compressionParams, int displayLevel)
{
double const compressibility = (double)g_compressibilityDefault / 100;
@ -684,8 +727,16 @@ int BMK_benchFiles(const char** fileNamesTable, unsigned nbFiles,
DISPLAYLEVEL(2, "Benchmarking levels from %d to %d\n", cLevel, cLevelLast);
if (nbFiles == 0)
BMK_syntheticTest(cLevel, cLevelLast, compressibility, compressionParams);
BMK_syntheticTest(cLevel, cLevelLast, compressibility, compressionParams, displayLevel);
else
BMK_benchFileTable(fileNamesTable, nbFiles, dictFileName, cLevel, cLevelLast, compressionParams);
BMK_benchFileTable(fileNamesTable, nbFiles, dictFileName, cLevel, cLevelLast, compressionParams, displayLevel);
}
int BMK_benchFiles(const char** fileNamesTable, unsigned nbFiles,
const char* dictFileName,
int cLevel, int cLevelLast,
const ZSTD_compressionParameters* compressionParams,
int displayLevel) {
BMK_benchFilesFull(fileNamesTable, nbFiles, dictFileName, cLevel, cLevelLast, compressionParams, displayLevel);
return 0;
}

32
programs/bench.h
View File

@ -8,6 +8,9 @@
* You may select, at your option, one of the above-listed licenses.
*/
#if defined (__cplusplus)
extern "C" {
#endif
#ifndef BENCH_H_121279284357
#define BENCH_H_121279284357
@ -16,8 +19,31 @@
#define ZSTD_STATIC_LINKING_ONLY /* ZSTD_compressionParameters */
#include "zstd.h" /* ZSTD_compressionParameters */
typedef struct {
size_t cSize;
double cSpeed; /* bytes / sec */
double dSpeed;
} BMK_result_t;
/* 0 = no Error */
typedef struct {
int errorCode;
BMK_result_t result;
} BMK_return_t;
/* called in cli */
int BMK_benchFiles(const char** fileNamesTable, unsigned nbFiles, const char* dictFileName,
int cLevel, int cLevelLast, const ZSTD_compressionParameters* compressionParams);
int cLevel, int cLevelLast, const ZSTD_compressionParameters* compressionParams,
int displayLevel);
/* basic benchmarking function, called in paramgrill
* ctx, dctx must be valid */
BMK_return_t BMK_benchMem(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* ctx, ZSTD_DCtx* dctx,
int displayLevel, const char* displayName);
/* Set Parameters */
void BMK_setNbSeconds(unsigned nbLoops);
@ -35,3 +61,7 @@ void BMK_setLdmBucketSizeLog(unsigned ldmBucketSizeLog);
void BMK_setLdmHashEveryLog(unsigned ldmHashEveryLog);
#endif /* BENCH_H_121279284357 */
#if defined (__cplusplus)
}
#endif

3
programs/zstdcli.c
View File

@ -801,7 +801,6 @@ int main(int argCount, const char* argv[])
/* Check if benchmark is selected */
if (operation==zom_bench) {
#ifndef ZSTD_NOBENCH
BMK_setNotificationLevel(g_displayLevel);
BMK_setSeparateFiles(separateFiles);
BMK_setBlockSize(blockSize);
BMK_setNbWorkers(nbWorkers);
@ -816,7 +815,7 @@ int main(int argCount, const char* argv[])
if (g_ldmHashEveryLog != LDM_PARAM_DEFAULT) {
BMK_setLdmHashEveryLog(g_ldmHashEveryLog);
}
BMK_benchFiles(filenameTable, filenameIdx, dictFileName, cLevel, cLevelLast, &compressionParams);
BMK_benchFiles(filenameTable, filenameIdx, dictFileName, cLevel, cLevelLast, &compressionParams, g_displayLevel);
#else
(void)bench_nbSeconds; (void)blockSize; (void)setRealTimePrio; (void)separateFiles;
#endif

2
tests/Makefile
View File

@ -203,7 +203,7 @@ zstreamtest-dll : $(ZSTREAM_LOCAL_FILES)
$(CC) $(CPPFLAGS) $(CFLAGS) $(filter %.c,$^) $(LDFLAGS) -o $@$(EXT)
paramgrill : DEBUGFLAGS = # turn off assert() for speed measurements
paramgrill : $(ZSTD_FILES) $(PRGDIR)/datagen.c paramgrill.c
paramgrill : $(ZSTD_FILES) $(PRGDIR)/bench.c $(PRGDIR)/datagen.c paramgrill.c
$(CC) $(FLAGS) $^ -lm -o $@$(EXT)
datagen : $(PRGDIR)/datagen.c datagencli.c

274
tests/paramgrill.c
View File

@ -26,6 +26,7 @@
#include "datagen.h"
#include "xxhash.h"
#include "util.h"
#include "bench.h"
/*-************************************
@ -48,12 +49,9 @@ static const size_t maxMemory = (sizeof(size_t)==4) ? (2 GB - 64 MB) : (size_t
#define COMPRESSIBILITY_DEFAULT 0.50
static const double g_grillDuration_s = 99999; /* about 27 hours */
static const U64 g_maxParamTime = 15 * SEC_TO_MICRO;
static const U64 g_maxVariationTime = 60 * SEC_TO_MICRO;
static const int g_maxNbVariations = 64;
/*-************************************
* Macros
**************************************/
@ -63,11 +61,13 @@ static const int g_maxNbVariations = 64;
#undef MAX
#define MIN(a,b) ( (a) < (b) ? (a) : (b) )
#define MAX(a,b) ( (a) > (b) ? (a) : (b) )
#define CUSTOM_LEVEL 99
/*-************************************
* Benchmark Parameters
**************************************/
static double g_grillDuration_s = 99999; /* about 27 hours */
static U32 g_nbIterations = NBLOOPS;
static double g_compressibility = COMPRESSIBILITY_DEFAULT;
static U32 g_blockSize = 0;
@ -83,7 +83,6 @@ void BMK_SetNbIterations(int nbLoops)
DISPLAY("- %u iterations -\n", g_nbIterations);
}
/*-*******************************************************
* Private functions
*********************************************************/
@ -144,11 +143,6 @@ static unsigned longCommandWArg(const char** stringPtr, const char* longCommand)
/*-*******************************************************
* Bench functions
*********************************************************/
typedef struct {
size_t cSize;
double cSpeed; /* bytes / sec */
double dSpeed;
} BMK_result_t;
typedef struct
{
@ -162,176 +156,39 @@ typedef struct
} blockParam_t;
static size_t
BMK_benchParam(BMK_result_t* resultPtr,
const void* srcBuffer, size_t srcSize,
ZSTD_CCtx* ctx,
const ZSTD_compressionParameters cParams)
{
const size_t blockSize = g_blockSize ? g_blockSize : srcSize;
const U32 nbBlocks = (U32) ((srcSize + (blockSize-1)) / blockSize);
blockParam_t* const blockTable = (blockParam_t*) malloc(nbBlocks * sizeof(blockParam_t));
const size_t maxCompressedSize = (size_t)nbBlocks * ZSTD_compressBound(blockSize);
void* const compressedBuffer = malloc(maxCompressedSize);
void* const resultBuffer = malloc(srcSize);
ZSTD_parameters params;
U32 Wlog = cParams.windowLog;
U32 Clog = cParams.chainLog;
U32 Hlog = cParams.hashLog;
U32 Slog = cParams.searchLog;
U32 Slength = cParams.searchLength;
U32 Tlength = cParams.targetLength;
ZSTD_strategy strat = cParams.strategy;
char name[30] = { 0 };
U64 crcOrig;
/* init result for early exit */
resultPtr->cSize = srcSize;
resultPtr->cSpeed = 0.;
resultPtr->dSpeed = 0.;
/* Memory allocation & restrictions */
snprintf(name, 30, "Sw%02uc%02uh%02us%02ul%1ut%03uS%1u", Wlog, Clog, Hlog, Slog, Slength, Tlength, strat);
if (!compressedBuffer || !resultBuffer || !blockTable) {
DISPLAY("\nError: not enough memory!\n");
free(compressedBuffer);
free(resultBuffer);
free(blockTable);
return 12;
}
/* Calculating input Checksum */
crcOrig = XXH64(srcBuffer, srcSize, 0);
/* Init blockTable data */
{ U32 i;
size_t remaining = srcSize;
const char* srcPtr = (const char*)srcBuffer;
char* cPtr = (char*)compressedBuffer;
char* resPtr = (char*)resultBuffer;
for (i=0; i<nbBlocks; i++) {
size_t thisBlockSize = MIN(remaining, blockSize);
blockTable[i].srcPtr = srcPtr;
blockTable[i].cPtr = cPtr;
blockTable[i].resPtr = resPtr;
blockTable[i].srcSize = thisBlockSize;
blockTable[i].cRoom = ZSTD_compressBound(thisBlockSize);
srcPtr += thisBlockSize;
cPtr += blockTable[i].cRoom;
resPtr += thisBlockSize;
remaining -= thisBlockSize;
} }
/* warmimg up memory */
RDG_genBuffer(compressedBuffer, maxCompressedSize, 0.10, 0.10, 1);
/* Bench */
{ U32 loopNb;
size_t cSize = 0;
double fastestC = 100000000., fastestD = 100000000.;
double ratio = 0.;
UTIL_time_t const benchStart = UTIL_getTime();
DISPLAY("\r%79s\r", "");
memset(&params, 0, sizeof(params));
params.cParams = cParams;
for (loopNb = 1; loopNb <= g_nbIterations; loopNb++) {
int nbLoops;
U32 blockNb;
UTIL_time_t roundStart;
U64 roundClock;
{ U64 const benchTime = UTIL_clockSpanMicro(benchStart);
if (benchTime > g_maxParamTime) break; }
/* Compression */
DISPLAY("\r%1u-%s : %9u ->", loopNb, name, (U32)srcSize);
memset(compressedBuffer, 0xE5, maxCompressedSize);
nbLoops = 0;
UTIL_waitForNextTick();
roundStart = UTIL_getTime();
while (UTIL_clockSpanMicro(roundStart) < TIMELOOP) {
for (blockNb=0; blockNb<nbBlocks; blockNb++)
blockTable[blockNb].cSize = ZSTD_compress_advanced(ctx,
blockTable[blockNb].cPtr, blockTable[blockNb].cRoom,
blockTable[blockNb].srcPtr, blockTable[blockNb].srcSize,
NULL, 0,
params);
nbLoops++;
}
roundClock = UTIL_clockSpanMicro(roundStart);
cSize = 0;
for (blockNb=0; blockNb<nbBlocks; blockNb++)
cSize += blockTable[blockNb].cSize;
ratio = (double)srcSize / (double)cSize;
if ((double)roundClock < fastestC * SEC_TO_MICRO * nbLoops) fastestC = ((double)roundClock / SEC_TO_MICRO) / nbLoops;
DISPLAY("\r");
DISPLAY("%1u-%s : %9u ->", loopNb, name, (U32)srcSize);
DISPLAY(" %9u (%4.3f),%7.1f MB/s", (U32)cSize, ratio, (double)srcSize / fastestC / 1000000.);
resultPtr->cSize = cSize;
resultPtr->cSpeed = (double)srcSize / fastestC;
#if 1
/* Decompression */
memset(resultBuffer, 0xD6, srcSize);
nbLoops = 0;
UTIL_waitForNextTick();
roundStart = UTIL_getTime();
for ( ; UTIL_clockSpanMicro(roundStart) < TIMELOOP; nbLoops++) {
for (blockNb=0; blockNb<nbBlocks; blockNb++)
blockTable[blockNb].resSize = ZSTD_decompress(blockTable[blockNb].resPtr, blockTable[blockNb].srcSize,
blockTable[blockNb].cPtr, blockTable[blockNb].cSize);
}
roundClock = UTIL_clockSpanMicro(roundStart);
if ((double)roundClock < fastestD * SEC_TO_MICRO * nbLoops) fastestD = ((double)roundClock / SEC_TO_MICRO) / nbLoops;
DISPLAY("\r");
DISPLAY("%1u-%s : %9u -> ", loopNb, name, (U32)srcSize);
DISPLAY("%9u (%4.3f),%7.1f MB/s, ", (U32)cSize, ratio, (double)srcSize / fastestC / 1000000.);
DISPLAY("%7.1f MB/s", (double)srcSize / fastestD / 1000000.);
resultPtr->dSpeed = (double)srcSize / fastestD;
/* CRC Checking */
{ U64 const crcCheck = XXH64(resultBuffer, srcSize, 0);
if (crcOrig!=crcCheck) {
unsigned u;
unsigned eBlockSize = (unsigned)(MIN(65536*2, blockSize));
DISPLAY("\n!!! WARNING !!! Invalid Checksum : %x != %x\n", (unsigned)crcOrig, (unsigned)crcCheck);
for (u=0; u<srcSize; u++) {
if (((const BYTE*)srcBuffer)[u] != ((BYTE*)resultBuffer)[u]) {
printf("Decoding error at pos %u (block %u, pos %u) \n", u, u / eBlockSize, u % eBlockSize);
break;
} }
break;
} }
#endif
} }
/* End cleaning */
DISPLAY("\r");
free(compressedBuffer);
free(resultBuffer);
return 0;
}
const char* g_stratName[ZSTD_btultra+1] = {
"(none) ", "ZSTD_fast ", "ZSTD_dfast ",
"ZSTD_greedy ", "ZSTD_lazy ", "ZSTD_lazy2 ",
"ZSTD_btlazy2 ", "ZSTD_btopt ", "ZSTD_btultra "};
/* TODO: support additional parameters (more files, fileSizes) */
//TODO: benchMem dctx can't = NULL in new system
static size_t
BMK_benchParam(BMK_result_t* resultPtr,
const void* srcBuffer, size_t srcSize,
ZSTD_CCtx* ctx, ZSTD_DCtx* dctx,
const ZSTD_compressionParameters cParams) {
BMK_return_t res = BMK_benchMem(srcBuffer,srcSize, &srcSize, 1, 0, &cParams, NULL, 0, ctx, dctx, 0, "File");
*resultPtr = res.result;
return res.errorCode;
}
static void BMK_printWinner(FILE* f, U32 cLevel, BMK_result_t result, ZSTD_compressionParameters params, size_t srcSize)
{
char lvlstr[15] = "Custom Level";
DISPLAY("\r%79s\r", "");
fprintf(f," {%3u,%3u,%3u,%3u,%3u,%3u, %s }, ",
params.windowLog, params.chainLog, params.hashLog, params.searchLog, params.searchLength,
params.targetLength, g_stratName[(U32)(params.strategy)]);
if(cLevel != CUSTOM_LEVEL) {
snprintf(lvlstr, 15, " Level %2u ", cLevel);
}
fprintf(f,
"/* level %2u */ /* R:%5.3f at %5.1f MB/s - %5.1f MB/s */\n",
cLevel, (double)srcSize / result.cSize, result.cSpeed / 1000000., result.dSpeed / 1000000.);
"/* %s */ /* R:%5.3f at %5.1f MB/s - %5.1f MB/s */\n",
lvlstr, (double)srcSize / result.cSize, result.cSpeed / 1000000., result.dSpeed / 1000000.);
}
@ -391,13 +248,13 @@ static void BMK_init_level_constraints(int bytePerSec_level1)
static int BMK_seed(winnerInfo_t* winners, const ZSTD_compressionParameters params,
const void* srcBuffer, size_t srcSize,
ZSTD_CCtx* ctx)
ZSTD_CCtx* ctx, ZSTD_DCtx* dctx)
{
BMK_result_t testResult;
int better = 0;
int cLevel;
BMK_benchParam(&testResult, srcBuffer, srcSize, ctx, params);
BMK_benchParam(&testResult, srcBuffer, srcSize, ctx, dctx, params);
for (cLevel = 1; cLevel <= NB_LEVELS_TRACKED; cLevel++) {
@ -560,7 +417,7 @@ static BYTE g_alreadyTested[PARAMTABLESIZE] = {0}; /* init to zero */
static void playAround(FILE* f, winnerInfo_t* winners,
ZSTD_compressionParameters params,
const void* srcBuffer, size_t srcSize,
ZSTD_CCtx* ctx)
ZSTD_CCtx* ctx, ZSTD_DCtx* dctx)
{
int nbVariations = 0;
UTIL_time_t const clockStart = UTIL_getTime();
@ -577,11 +434,11 @@ static void playAround(FILE* f, winnerInfo_t* winners,
/* test */
NB_TESTS_PLAYED(p)++;
if (!BMK_seed(winners, p, srcBuffer, srcSize, ctx)) continue;
if (!BMK_seed(winners, p, srcBuffer, srcSize, ctx, dctx)) continue;
/* improvement found => search more */
BMK_printWinners(f, winners, srcSize);
playAround(f, winners, p, srcBuffer, srcSize, ctx);
playAround(f, winners, p, srcBuffer, srcSize, ctx, dctx);
}
}
@ -608,29 +465,30 @@ static ZSTD_compressionParameters randomParams(void)
static void BMK_selectRandomStart(
FILE* f, winnerInfo_t* winners,
const void* srcBuffer, size_t srcSize,
ZSTD_CCtx* ctx)
ZSTD_CCtx* ctx, ZSTD_DCtx* dctx)
{
U32 const id = FUZ_rand(&g_rand) % (NB_LEVELS_TRACKED+1);
if ((id==0) || (winners[id].params.windowLog==0)) {
/* use some random entry */
ZSTD_compressionParameters const p = ZSTD_adjustCParams(randomParams(), srcSize, 0);
playAround(f, winners, p, srcBuffer, srcSize, ctx);
playAround(f, winners, p, srcBuffer, srcSize, ctx, dctx);
} else {
playAround(f, winners, winners[id].params, srcBuffer, srcSize, ctx);
playAround(f, winners, winners[id].params, srcBuffer, srcSize, ctx, dctx);
}
}
static void BMK_benchOnce(ZSTD_CCtx* cctx, const void* srcBuffer, size_t srcSize)
static void BMK_benchOnce(ZSTD_CCtx* cctx, ZSTD_DCtx* dctx, const void* srcBuffer, size_t srcSize)
{
BMK_result_t testResult;
g_params = ZSTD_adjustCParams(g_params, srcSize, 0);
BMK_benchParam(&testResult, srcBuffer, srcSize, cctx, g_params);
DISPLAY("\n");
BMK_benchParam(&testResult, srcBuffer, srcSize, cctx, dctx, g_params);
DISPLAY("Compression Ratio: %.3f Compress Speed: %.1f MB/s Decompress Speed: %.1f MB/s\n", (double)srcSize / testResult.cSize,
testResult.cSpeed / 1000000, testResult.dSpeed / 1000000);
return;
}
static void BMK_benchFullTable(ZSTD_CCtx* cctx, const void* srcBuffer, size_t srcSize)
static void BMK_benchFullTable(ZSTD_CCtx* cctx, ZSTD_DCtx* dctx, const void* srcBuffer, size_t srcSize)
{
ZSTD_compressionParameters params;
winnerInfo_t winners[NB_LEVELS_TRACKED+1];
@ -649,7 +507,7 @@ static void BMK_benchFullTable(ZSTD_CCtx* cctx, const void* srcBuffer, size_t sr
/* baseline config for level 1 */
ZSTD_compressionParameters const l1params = ZSTD_getCParams(1, blockSize, 0);
BMK_result_t testResult;
BMK_benchParam(&testResult, srcBuffer, srcSize, cctx, l1params);
BMK_benchParam(&testResult, srcBuffer, srcSize, cctx, dctx, l1params);
BMK_init_level_constraints((int)((testResult.cSpeed * 31) / 32));
}
@ -658,14 +516,14 @@ static void BMK_benchFullTable(ZSTD_CCtx* cctx, const void* srcBuffer, size_t sr
int i;
for (i=0; i<=maxSeeds; i++) {
params = ZSTD_getCParams(i, blockSize, 0);
BMK_seed(winners, params, srcBuffer, srcSize, cctx);
BMK_seed(winners, params, srcBuffer, srcSize, cctx, dctx);
} }
BMK_printWinners(f, winners, srcSize);
/* start tests */
{ const time_t grillStart = time(NULL);
do {
BMK_selectRandomStart(f, winners, srcBuffer, srcSize, cctx);
BMK_selectRandomStart(f, winners, srcBuffer, srcSize, cctx, dctx);
} while (BMK_timeSpan(grillStart) < g_grillDuration_s);
}
@ -677,19 +535,20 @@ static void BMK_benchFullTable(ZSTD_CCtx* cctx, const void* srcBuffer, size_t sr
fclose(f);
}
static void BMK_benchMem_usingCCtx(ZSTD_CCtx* cctx, const void* srcBuffer, size_t srcSize)
static void BMK_benchMem_usingCCtx(ZSTD_CCtx* const cctx, ZSTD_DCtx* const dctx, const void* srcBuffer, size_t srcSize)
{
if (g_singleRun)
return BMK_benchOnce(cctx, srcBuffer, srcSize);
return BMK_benchOnce(cctx, dctx, srcBuffer, srcSize);
else
return BMK_benchFullTable(cctx, srcBuffer, srcSize);
return BMK_benchFullTable(cctx, dctx, srcBuffer, srcSize);
}
static void BMK_benchMem(const void* srcBuffer, size_t srcSize)
static void BMK_benchMemCCtxInit(const void* srcBuffer, size_t srcSize)
{
ZSTD_CCtx* const cctx = ZSTD_createCCtx();
if (cctx==NULL) { DISPLAY("ZSTD_createCCtx() failed \n"); exit(1); }
BMK_benchMem_usingCCtx(cctx, srcBuffer, srcSize);
ZSTD_DCtx* const dctx = ZSTD_createDCtx();
if (cctx==NULL || dctx==NULL) { DISPLAY("Context Creation failed \n"); exit(1); }
BMK_benchMem_usingCCtx(cctx, dctx, srcBuffer, srcSize);
ZSTD_freeCCtx(cctx);
}
@ -708,7 +567,7 @@ static int benchSample(void)
/* bench */
DISPLAY("\r%79s\r", "");
DISPLAY("using %s %i%%: \n", name, (int)(g_compressibility*100));
BMK_benchMem(origBuff, benchedSize);
BMK_benchMemCCtxInit(origBuff, benchedSize);
free(origBuff);
return 0;
@ -766,7 +625,7 @@ int benchFiles(const char** fileNamesTable, int nbFiles)
/* bench */
DISPLAY("\r%79s\r", "");
DISPLAY("using %s : \n", inFileName);
BMK_benchMem(origBuff, benchedSize);
BMK_benchMemCCtxInit(origBuff, benchedSize);
/* clean */
free(origBuff);
@ -790,7 +649,6 @@ int optimizeForSize(const char* inFileName, U32 targetSpeed)
U64 const inFileSize = UTIL_getFileSize(inFileName);
size_t benchedSize = BMK_findMaxMem(inFileSize*3) / 3;
void* origBuff;
/* Init */
if (inFile==NULL) { DISPLAY( "Pb opening %s\n", inFileName); return 11; }
if (inFileSize == UTIL_FILESIZE_UNKNOWN) {
@ -829,8 +687,8 @@ int optimizeForSize(const char* inFileName, U32 targetSpeed)
DISPLAY("\r%79s\r", "");
DISPLAY("optimizing for %s - limit speed %u MB/s \n", inFileName, targetSpeed);
targetSpeed *= 1000000;
{ ZSTD_CCtx* const ctx = ZSTD_createCCtx();
ZSTD_DCtx* const dctx = ZSTD_createDCtx();
winnerInfo_t winner;
BMK_result_t candidate;
const size_t blockSize = g_blockSize ? g_blockSize : benchedSize;
@ -845,9 +703,10 @@ int optimizeForSize(const char* inFileName, U32 targetSpeed)
int i;
for (i=1; i<=maxSeeds; i++) {
ZSTD_compressionParameters const CParams = ZSTD_getCParams(i, blockSize, 0);
BMK_benchParam(&candidate, origBuff, benchedSize, ctx, CParams);
if (candidate.cSpeed < targetSpeed)
BMK_benchParam(&candidate, origBuff, benchedSize, ctx, dctx, CParams);
if (candidate.cSpeed < (double)targetSpeed) {
break;
}
if ( (candidate.cSize < winner.result.cSize)
| ((candidate.cSize == winner.result.cSize) & (candidate.cSpeed > winner.result.cSpeed)) )
{
@ -856,7 +715,9 @@ int optimizeForSize(const char* inFileName, U32 targetSpeed)
BMK_printWinner(stdout, i, winner.result, winner.params, benchedSize);
} }
}
BMK_printWinner(stdout, 99, winner.result, winner.params, benchedSize);
BMK_printWinner(stdout, CUSTOM_LEVEL, winner.result, winner.params, benchedSize);
BMK_translateAdvancedParams(winner.params);
/* start tests */
@ -872,7 +733,7 @@ int optimizeForSize(const char* inFileName, U32 targetSpeed)
/* test */
NB_TESTS_PLAYED(params)++;
BMK_benchParam(&candidate, origBuff, benchedSize, ctx, params);
BMK_benchParam(&candidate, origBuff, benchedSize, ctx, dctx, params);
/* improvement found => new winner */
if ( (candidate.cSpeed > targetSpeed)
@ -881,19 +742,20 @@ int optimizeForSize(const char* inFileName, U32 targetSpeed)
{
winner.params = params;
winner.result = candidate;
BMK_printWinner(stdout, 99, winner.result, winner.params, benchedSize);
BMK_printWinner(stdout, CUSTOM_LEVEL, winner.result, winner.params, benchedSize);
BMK_translateAdvancedParams(winner.params);
}
} while (BMK_timeSpan(grillStart) < g_grillDuration_s);
}
/* end summary */
BMK_printWinner(stdout, 99, winner.result, winner.params, benchedSize);
BMK_printWinner(stdout, CUSTOM_LEVEL, winner.result, winner.params, benchedSize);
BMK_translateAdvancedParams(winner.params);
DISPLAY("grillParams size - optimizer completed \n");
/* clean up*/
ZSTD_freeCCtx(ctx);
ZSTD_freeDCtx(dctx);
}
free(origBuff);
@ -954,6 +816,8 @@ static int usage_advanced(void)
DISPLAY( " -S : Single run \n");
DISPLAY( " --zstd : Single run, parameter selection same as zstdcli \n");
DISPLAY( " -P# : generated sample compressibility (default : %.1f%%) \n", COMPRESSIBILITY_DEFAULT * 100);
DISPLAY( " -t# : Caps runtime of operation in seconds (default : %u seconds (%.1f hours)) \n", (U32)g_grillDuration_s, g_grillDuration_s / 3600);
DISPLAY( " -v : Prints Benchmarking output\n");
return 0;
}
@ -1007,7 +871,7 @@ int main(int argc, const char** argv)
DISPLAY("invalid --zstd= format\n");
return 1; /* check the end of string */
}
//if not return, success
/* if not return, success */
} else if (argument[0]=='-') {
argument++;
@ -1021,8 +885,8 @@ int main(int argc, const char** argv)
/* Pause at the end (hidden option) */
case 'p': main_pause = 1; argument++; break;
/* Modify Nb Iterations */
case 'i':
argument++;
g_nbIterations = readU32FromChar(&argument);
@ -1103,6 +967,12 @@ int main(int argc, const char** argv)
DISPLAY("using %u KB block size \n", g_blockSize>>10);
break;
/* caps runtime (in seconds) */
case 't':
argument++;
g_grillDuration_s = (double)readU32FromChar(&argument);
break;
/* Unknown command */
default : return badusage(exename);
}

1
tests/playTests.sh
View File

@ -186,6 +186,7 @@ $ZSTD -f tmp && die "tmp not present : should have failed"
test ! -f tmp.zst # tmp.zst should not be created
$ECHO "test : compress multiple files"
rm tmp*
$ECHO hello > tmp1
$ECHO world > tmp2
$ZSTD tmp1 tmp2 -o "$INTOVOID"