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-r# : test all compression levels from -bX to #

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This commit is contained in:
inikep
2016-03-14 18:10:30 +01:00
parent 44af12deb1
commit e9554b73cc
3 changed files with 51 additions and 48 deletions
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programs/bench.c
+39 -42
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@@ -419,49 +419,46 @@ static size_t BMK_findMaxMem(U64 requiredMem)
}
static void BMK_benchCLevel(void* srcBuffer, size_t benchedSize,
const char* displayName, int cLevel,
const char* displayName, int cLevel, int cLevelLast,
const size_t* fileSizes, unsigned nbFiles,
const void* dictBuffer, size_t dictBufferSize)
{
benchResult_t result, total;
if (cLevel < 0) {
int l;
memset(&total, 0, sizeof(total));
const char* pch = strrchr(displayName, '\\'); /* Windows */
if (!pch) pch = strrchr(displayName, '/'); /* Linux */
if (pch) displayName = pch+1;
int l;
if (g_displayLevel == 1)
DISPLAY("bench %s: input %u bytes, %i iterations, %u KB blocks\n", ZSTD_VERSION, (U32)benchedSize, nbIterations, (U32)(g_blockSize>>10));
const char* pch = strrchr(displayName, '\\'); /* Windows */
if (!pch) pch = strrchr(displayName, '/'); /* Linux */
if (pch) displayName = pch+1;
for (l=1; l <= -cLevel; l++) {
BMK_benchMem(srcBuffer, benchedSize,
displayName, l,
fileSizes, nbFiles,
dictBuffer, dictBufferSize, &result);
if (g_displayLevel == 1) {
DISPLAY("%-3i%11i (%5.3f) %6.1f MB/s %6.1f MB/s %s\n", -l, (int)result.cSize, result.ratio, result.cSpeed, result.dSpeed, displayName);
total.cSize += result.cSize;
total.cSpeed += result.cSpeed;
total.dSpeed += result.dSpeed;
total.ratio += result.ratio;
}
memset(&result, 0, sizeof(result));
memset(&total, 0, sizeof(total));
if (g_displayLevel == 1)
DISPLAY("bench %s: input %u bytes, %i iterations, %u KB blocks\n", ZSTD_VERSION, (U32)benchedSize, 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, &result);
if (g_displayLevel == 1) {
DISPLAY("%-3i%11i (%5.3f) %6.1f MB/s %6.1f MB/s %s\n", -l, (int)result.cSize, result.ratio, result.cSpeed, result.dSpeed, displayName);
total.cSize += result.cSize;
total.cSpeed += result.cSpeed;
total.dSpeed += result.dSpeed;
total.ratio += result.ratio;
}
if (g_displayLevel == 1)
{
total.cSize /= -cLevel;
total.cSpeed /= -cLevel;
total.dSpeed /= -cLevel;
total.ratio /= -cLevel;
DISPLAY("avg%11i (%5.3f) %6.1f MB/s %6.1f MB/s %s\n", (int)total.cSize, total.ratio, total.cSpeed, total.dSpeed, displayName);
}
return;
}
BMK_benchMem(srcBuffer, benchedSize,
displayName, cLevel,
fileSizes, nbFiles,
dictBuffer, dictBufferSize, &result);
if (g_displayLevel == 1 && cLevelLast > cLevel)
{
total.cSize /= 1+cLevelLast-cLevel;
total.cSpeed /= 1+cLevelLast-cLevel;
total.dSpeed /= 1+cLevelLast-cLevel;
total.ratio /= 1+cLevelLast-cLevel;
DISPLAY("avg%11i (%5.3f) %6.1f MB/s %6.1f MB/s %s\n", (int)total.cSize, total.ratio, total.cSpeed, total.dSpeed, displayName);
}
}
static U64 BMK_getTotalFileSize(const char** fileNamesTable, unsigned nbFiles)
@@ -497,7 +494,7 @@ static void BMK_loadFiles(void* buffer, size_t bufferSize,
}
static void BMK_benchFileTable(const char** fileNamesTable, unsigned nbFiles,
const char* dictFileName, int cLevel)
const char* dictFileName, int cLevel, int cLevelLast)
{
void* srcBuffer;
size_t benchedSize;
@@ -537,7 +534,7 @@ static void BMK_benchFileTable(const char** fileNamesTable, unsigned nbFiles,
else displayName = fileNamesTable[0];
BMK_benchCLevel(srcBuffer, benchedSize,
displayName, cLevel,
displayName, cLevel, cLevelLast,
fileSizes, nbFiles,
dictBuffer, dictBufferSize);
@@ -548,7 +545,7 @@ static void BMK_benchFileTable(const char** fileNamesTable, unsigned nbFiles,
}
static void BMK_syntheticTest(int cLevel, double compressibility)
static void BMK_syntheticTest(int cLevel, int cLevelLast, double compressibility)
{
char name[20] = {0};
size_t benchedSize = 10000000;
@@ -562,7 +559,7 @@ static void BMK_syntheticTest(int cLevel, double compressibility)
/* Bench */
snprintf (name, sizeof(name), "Synthetic %2u%%", (unsigned)(compressibility*100));
BMK_benchCLevel(srcBuffer, benchedSize, name, cLevel, &benchedSize, 1, NULL, 0);
BMK_benchCLevel(srcBuffer, benchedSize, name, cLevel, cLevelLast, &benchedSize, 1, NULL, 0);
/* clean up */
free(srcBuffer);
@@ -570,14 +567,14 @@ static void BMK_syntheticTest(int cLevel, double compressibility)
int BMK_benchFiles(const char** fileNamesTable, unsigned nbFiles,
const char* dictFileName, int cLevel)
const char* dictFileName, int cLevel, int cLevelLast)
{
double compressibility = (double)g_compressibilityDefault / 100;
if (nbFiles == 0)
BMK_syntheticTest(cLevel, compressibility);
BMK_syntheticTest(cLevel, cLevelLast, compressibility);
else
BMK_benchFileTable(fileNamesTable, nbFiles, dictFileName, cLevel);
BMK_benchFileTable(fileNamesTable, nbFiles, dictFileName, cLevel, cLevelLast);
return 0;
}