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bench.c : implemented single pass mode -i0

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Yann Collet
2016-03-17 19:51:02 +01:00
parent 699b14db1b
commit 1d1ae40258
2 changed files with 10 additions and 9 deletions
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programs/bench.c
+9 -8
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@@ -126,13 +126,13 @@ static U32 g_displayLevel = 2; /* 0 : no display; 1: errors; 2 : + result
/* ************************************* /* *************************************
* Benchmark Parameters * Benchmark Parameters
***************************************/ ***************************************/
static int nbIterations = NBLOOPS; static U32 g_nbIterations = NBLOOPS;
static size_t g_blockSize = 0; static size_t g_blockSize = 0;
void BMK_SetNbIterations(int nbLoops) void BMK_SetNbIterations(unsigned nbLoops)
{ {
nbIterations = nbLoops; g_nbIterations = nbLoops;
DISPLAY("- %i iterations -\n", nbIterations); DISPLAY("- %i iterations -\n", g_nbIterations);
} }
void BMK_SetBlockSize(size_t blockSize) void BMK_SetBlockSize(size_t blockSize)
@@ -238,7 +238,7 @@ static int BMK_benchMem(const void* srcBuffer, size_t srcSize,
/* Bench */ /* Bench */
{ {
int loopNb; U32 loopNb;
size_t cSize = 0; size_t cSize = 0;
double fastestC = 100000000., fastestD = 100000000.; double fastestC = 100000000., fastestD = 100000000.;
double ratio = 0.; double ratio = 0.;
@@ -246,10 +246,11 @@ static int BMK_benchMem(const void* srcBuffer, size_t srcSize,
clock_t coolTime = clock(); clock_t coolTime = clock();
DISPLAY("\r%79s\r", ""); DISPLAY("\r%79s\r", "");
for (loopNb = 1; loopNb <= nbIterations; loopNb++) { for (loopNb = 1; loopNb <= (g_nbIterations + !g_nbIterations); loopNb++) {
int nbLoops; int nbLoops;
U32 blockNb; U32 blockNb;
clock_t clockStart, clockSpan; clock_t clockStart, clockSpan;
clock_t const clockLoop = g_nbIterations ? TIMELOOP_S * CLOCKS_PER_SEC : 10;
/* overheat protection */ /* overheat protection */
if (BMK_clockSpan(coolTime) > ACTIVEPERIOD_S * CLOCKS_PER_SEC) { if (BMK_clockSpan(coolTime) > ACTIVEPERIOD_S * CLOCKS_PER_SEC) {
@@ -266,7 +267,7 @@ static int BMK_benchMem(const void* srcBuffer, size_t srcSize,
clockStart = clock(); clockStart = clock();
while (clock() == clockStart); while (clock() == clockStart);
clockStart = clock(); clockStart = clock();
while (BMK_clockSpan(clockStart) < TIMELOOP_S * CLOCKS_PER_SEC) { while (BMK_clockSpan(clockStart) < clockLoop) {
ZSTD_compressBegin_advanced(refCtx, dictBuffer, dictBufferSize, ZSTD_getParams(cLevel, MAX(dictBufferSize, largestBlockSize))); ZSTD_compressBegin_advanced(refCtx, dictBuffer, dictBufferSize, ZSTD_getParams(cLevel, MAX(dictBufferSize, largestBlockSize)));
for (blockNb=0; blockNb<nbBlocks; blockNb++) { for (blockNb=0; blockNb<nbBlocks; blockNb++) {
size_t rSize = ZSTD_compress_usingPreparedCCtx(ctx, refCtx, size_t rSize = ZSTD_compress_usingPreparedCCtx(ctx, refCtx,
@@ -297,7 +298,7 @@ static int BMK_benchMem(const void* srcBuffer, size_t srcSize,
while (clock() == clockStart); while (clock() == clockStart);
clockStart = clock(); clockStart = clock();
for ( ; BMK_clockSpan(clockStart) < TIMELOOP_S * CLOCKS_PER_SEC; nbLoops++) { for ( ; BMK_clockSpan(clockStart) < clockLoop; nbLoops++) {
ZSTD_decompressBegin_usingDict(refDCtx, dictBuffer, dictBufferSize); ZSTD_decompressBegin_usingDict(refDCtx, dictBuffer, dictBufferSize);
for (blockNb=0; blockNb<nbBlocks; blockNb++) { for (blockNb=0; blockNb<nbBlocks; blockNb++) {
size_t regenSize = ZSTD_decompress_usingPreparedDCtx(dctx, refDCtx, size_t regenSize = ZSTD_decompress_usingPreparedDCtx(dctx, refDCtx,
programs/bench.h
+1 -1
View File
@@ -30,7 +30,7 @@ int BMK_benchFiles(const char** fileNamesTable, unsigned nbFiles,
const char* dictFileName, int cLevel); const char* dictFileName, int cLevel);
/* Set Parameters */ /* Set Parameters */
void BMK_SetNbIterations(int nbLoops); void BMK_SetNbIterations(unsigned nbLoops);
void BMK_SetBlockSize(size_t blockSize); void BMK_SetBlockSize(size_t blockSize);