ddidderr/zstd-rs
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range bench

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This commit is contained in:
Yann Collet
2015-10-29 19:10:54 +01:00
parent 712def905b
commit c776c46b46
4 changed files with 44 additions and 21 deletions
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programs/bench.c
+26 -15
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@@ -247,9 +247,13 @@ static int BMK_benchMem(void* srcBuffer, size_t srcSize, const char* fileName, i
const size_t maxCompressedSize = (size_t)nbBlocks * ZSTD_compressBound(blockSize);
void* const compressedBuffer = malloc(maxCompressedSize);
void* const resultBuffer = malloc(srcSize);
const compressor_t compressor = (cLevel == 0) ? local_compress_fast : ZSTD_HC_compress;
const compressor_t compressor = (cLevel <= 1) ? local_compress_fast : ZSTD_HC_compress;
U64 crcOrig;
/* init */
if (strlen(fileName)>16)
fileName += strlen(fileName)-16;
/* Memory allocation & restrictions */
if (!compressedBuffer || !resultBuffer || !blockTable)
{
@@ -304,7 +308,7 @@ static int BMK_benchMem(void* srcBuffer, size_t srcSize, const char* fileName, i
U32 blockNb;
/* Compression */
DISPLAY("%1i-%-14.14s : %9u ->\r", loopNb, fileName, (U32)srcSize);
DISPLAY("%1i-%-16.16s : %9u ->\r", loopNb, fileName, (U32)srcSize);
memset(compressedBuffer, 0xE5, maxCompressedSize);
nbLoops = 0;
@@ -324,7 +328,7 @@ static int BMK_benchMem(void* srcBuffer, size_t srcSize, const char* fileName, i
cSize += blockTable[blockNb].cSize;
if ((double)milliTime < fastestC*nbLoops) fastestC = (double)milliTime / nbLoops;
ratio = (double)srcSize / (double)cSize;
DISPLAY("%1i-%-14.14s : %9i -> %9i (%5.3f),%7.1f MB/s\r", loopNb, fileName, (int)srcSize, (int)cSize, ratio, (double)srcSize / fastestC / 1000.);
DISPLAY("%1i-%-16.16s : %9i -> %9i (%5.3f),%7.1f MB/s\r", loopNb, fileName, (int)srcSize, (int)cSize, ratio, (double)srcSize / fastestC / 1000.);
#if 1
/* Decompression */
@@ -343,7 +347,7 @@ static int BMK_benchMem(void* srcBuffer, size_t srcSize, const char* fileName, i
milliTime = BMK_GetMilliSpan(milliTime);
if ((double)milliTime < fastestD*nbLoops) fastestD = (double)milliTime / nbLoops;
DISPLAY("%1i-%-14.14s : %9i -> %9i (%5.3f),%7.1f MB/s ,%7.1f MB/s\r", loopNb, fileName, (int)srcSize, (int)cSize, ratio, (double)srcSize / fastestC / 1000., (double)srcSize / fastestD / 1000.);
DISPLAY("%1i-%-16.16s : %9i -> %9i (%5.3f),%7.1f MB/s ,%7.1f MB/s\r", loopNb, fileName, (int)srcSize, (int)cSize, ratio, (double)srcSize / fastestC / 1000., (double)srcSize / fastestD / 1000.);
/* CRC Checking */
crcCheck = XXH64(resultBuffer, srcSize, 0);
@@ -366,9 +370,7 @@ static int BMK_benchMem(void* srcBuffer, size_t srcSize, const char* fileName, i
}
if (crcOrig == crcCheck)
{
DISPLAY("%-16.16s : %9i -> %9i (%5.3f),%7.1f MB/s ,%7.1f MB/s \n", fileName, (int)srcSize, (int)cSize, ratio, (double)srcSize / fastestC / 1000., (double)srcSize / fastestD / 1000.);
}
DISPLAY("%1i-%-16.16s : %9i -> %9i (%5.3f),%7.1f MB/s ,%7.1f MB/s \n", cLevel, fileName, (int)srcSize, (int)cSize, ratio, (double)srcSize / fastestC / 1000., (double)srcSize / fastestD / 1000.);
}
/* End cleaning */
@@ -419,9 +421,6 @@ static int BMK_benchOneFile(char* inFileName, int cLevel)
void* srcBuffer;
int result;
/* Init */
(void)cLevel;
/* Check file existence */
inFile = fopen(inFileName, "rb");
if (inFile == NULL)
@@ -457,7 +456,14 @@ static int BMK_benchOneFile(char* inFileName, int cLevel)
}
/* Bench */
result = BMK_benchMem(srcBuffer, benchedSize, inFileName, cLevel);
if (cLevel<0)
{
int l;
for (l=1; l <= -cLevel; l++)
result = BMK_benchMem(srcBuffer, benchedSize, inFileName, l);
}
else
result = BMK_benchMem(srcBuffer, benchedSize, inFileName, cLevel);
/* clean up */
free(srcBuffer);
@@ -473,9 +479,6 @@ static int BMK_syntheticTest(int cLevel, double compressibility)
int result;
char name[20] = {0};
/* Init */
(void)cLevel;
/* Memory allocation */
if (!srcBuffer)
{
@@ -493,7 +496,15 @@ static int BMK_syntheticTest(int cLevel, double compressibility)
#else
snprintf (name, 20, "Synthetic %2u%%", (unsigned)(compressibility*100));
#endif
result = BMK_benchMem(srcBuffer, benchedSize, name, cLevel);
/* Bench */
if (cLevel<0)
{
int l;
for (l=1; l <= -cLevel; l++)
result = BMK_benchMem(srcBuffer, benchedSize, name, l);
}
else
result = BMK_benchMem(srcBuffer, benchedSize, name, cLevel);
/* End */
free(srcBuffer);