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fullbench can now select sample size with command `-B#`

dev
Yann Collet 2019-05-28 16:37:03 -07:00
parent 6453f8158f
commit 4c4149452c
1 changed files with 25 additions and 17 deletions
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42
tests/fullbench.c
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@ -51,7 +51,7 @@
#define DEFAULT_CLEVEL 1
#define COMPRESSIBILITY_DEFAULT 0.50
static const size_t g_sampleSize = 10000000;
static const size_t k_sampleSize_default = 10000000;
#define TIMELOOP_NANOSEC (1*1000000000ULL) /* 1 second */
@ -66,7 +66,6 @@ static const size_t g_sampleSize = 10000000;
* Benchmark Parameters
**************************************/
static unsigned g_nbIterations = NBLOOPS;
static double g_compressibility = COMPRESSIBILITY_DEFAULT;
/*_*******************************************************
@ -549,21 +548,19 @@ _cleanOut:
static int benchSample(U32 benchNb,
size_t benchedSize, double compressibility,
int cLevel, ZSTD_compressionParameters cparams)
{
size_t const benchedSize = g_sampleSize;
const char* const name = "Sample 10MiB";
/* Allocation */
void* const origBuff = malloc(benchedSize);
if (!origBuff) { DISPLAY("\nError: not enough memory!\n"); return 12; }
/* Fill buffer */
RDG_genBuffer(origBuff, benchedSize, g_compressibility, 0.0, 0);
RDG_genBuffer(origBuff, benchedSize, compressibility, 0.0, 0);
/* bench */
DISPLAY("\r%70s\r", "");
DISPLAY(" %s : \n", name);
DISPLAY(" Sample %u bytes : \n", (unsigned)benchedSize);
if (benchNb) {
benchMem(benchNb, origBuff, benchedSize, cLevel, cparams);
} else { /* 0 == run all tests */
@ -696,10 +693,11 @@ static int usage_advanced(const char* exename)
usage(exename);
DISPLAY( "\nAdvanced options :\n");
DISPLAY( " -b# : test only function # \n");
DISPLAY( " -i# : iteration loops [1-9](default : %i)\n", NBLOOPS);
DISPLAY( " -P# : sample compressibility (default : %.1f%%)\n", COMPRESSIBILITY_DEFAULT * 100);
DISPLAY( " -l# : benchmark functions at that compression level (default : %i)\n", DEFAULT_CLEVEL);
DISPLAY( " --zstd : custom parameter selection. Format same as zstdcli \n");
DISPLAY( " -P# : sample compressibility (default : %.1f%%)\n", COMPRESSIBILITY_DEFAULT * 100);
DISPLAY( " -B# : sample size (default : %u)\n", (unsigned)k_sampleSize_default);
DISPLAY( " -i# : iteration loops [1-9](default : %i)\n", NBLOOPS);
return 0;
}
@ -718,6 +716,8 @@ int main(int argc, const char** argv)
U32 benchNb = 0, main_pause = 0;
int cLevel = DEFAULT_CLEVEL;
ZSTD_compressionParameters cparams = ZSTD_getCParams(cLevel, 0, 0);
size_t sampleSize = k_sampleSize_default;
double compressibility = COMPRESSIBILITY_DEFAULT;
DISPLAY(WELCOME_MESSAGE);
if (argc<1) return badusage(exename);
@ -767,21 +767,29 @@ int main(int argc, const char** argv)
benchNb = readU32FromChar(&argument);
break;
/* Modify Nb Iterations */
case 'i':
/* Select compression level to use */
case 'l':
argument++;
g_nbIterations = readU32FromChar(&argument);
cLevel = (int)readU32FromChar(&argument);
cparams = ZSTD_getCParams(cLevel, 0, 0);
break;
/* Select compressibility of synthetic sample */
case 'P':
argument++;
g_compressibility = (double)readU32FromChar(&argument) / 100.;
compressibility = (double)readU32FromChar(&argument) / 100.;
break;
case 'l':
/* Select size of synthetic sample */
case 'B':
argument++;
cLevel = (int)readU32FromChar(&argument);
cparams = ZSTD_getCParams(cLevel, 0, 0);
sampleSize = (size_t)readU32FromChar(&argument);
break;
/* Modify Nb Iterations */
case 'i':
argument++;
g_nbIterations = readU32FromChar(&argument);
break;
/* Unknown command */
@ -798,7 +806,7 @@ int main(int argc, const char** argv)
if (filenamesStart==0) /* no input file */
result = benchSample(benchNb, cLevel, cparams);
result = benchSample(benchNb, sampleSize, compressibility, cLevel, cparams);
else
result = benchFiles(benchNb, argv+filenamesStart, argc-filenamesStart, cLevel, cparams);