ddidderr/zstd-rs
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

minor speed improvements 2

Browse Source 
bench.c: block size has to be bigger than 32 bytes
zstdcli.c: support for e.g. -B16k -B16m
This commit is contained in:
inikep
2016-04-21 12:18:47 +02:00
parent ef51941822
commit 38654988f3
3 changed files with 29 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files
programs/bench.c
+4 -4
View File
@@ -248,7 +248,7 @@ static int BMK_benchMem(const void* srcBuffer, size_t srcSize,
const size_t* fileSizes, U32 nbFiles,
const void* dictBuffer, size_t dictBufferSize, benchResult_t *result)
{
size_t const blockSize = (g_blockSize ? g_blockSize : srcSize) + (!srcSize); /* avoid div by 0 */
size_t const blockSize = (g_blockSize>=32 ? g_blockSize : srcSize) + (!srcSize); /* avoid div by 0 */
U32 const maxNbBlocks = (U32) ((srcSize + (blockSize-1)) / blockSize) + nbFiles;
blockParam_t* const blockTable = (blockParam_t*) malloc(maxNbBlocks * sizeof(blockParam_t));
size_t const maxCompressedSize = ZSTD_compressBound(srcSize) + (maxNbBlocks * 1024); /* add some room for safety */
@@ -488,9 +488,9 @@ static void BMK_benchCLevel(void* srcBuffer, size_t benchedSize,
dictBuffer, dictBufferSize, &result);
if (g_displayLevel == 1) {
if (g_additionalParam)
DISPLAY("%-3i%11i (%5.3f) %6.1f MB/s %6.1f MB/s %s (param=%d)\n", -l, (int)result.cSize, result.ratio, result.cSpeed, result.dSpeed, displayName, g_additionalParam);
DISPLAY("%-3i%11i (%5.3f) %6.2f MB/s %6.1f MB/s %s (param=%d)\n", -l, (int)result.cSize, result.ratio, result.cSpeed, result.dSpeed, displayName, g_additionalParam);
else
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);
DISPLAY("%-3i%11i (%5.3f) %6.2f 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;
@@ -501,7 +501,7 @@ static void BMK_benchCLevel(void* srcBuffer, size_t benchedSize,
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);
DISPLAY("avg%11i (%5.3f) %6.2f MB/s %6.1f MB/s %s\n", (int)total.cSize, total.ratio, total.cSpeed, total.dSpeed, displayName);
}
}
programs/zstdcli.c
+5 -5
View File
@@ -41,6 +41,7 @@
#include <stdio.h> /* fprintf, getchar */
#include <stdlib.h> /* exit, calloc, free */
#include <string.h> /* strcmp, strlen */
#include <ctype.h> /* toupper */
#include "fileio.h"
#ifndef ZSTD_NOBENCH
# include "bench.h" /* BMK_benchFiles, BMK_SetNbIterations */
@@ -304,9 +305,9 @@ int main(int argCount, const char** argv)
argument++;
while ((*argument >='0') && (*argument <='9'))
bSize *= 10, bSize += *argument++ - '0';
if (*argument=='K') bSize<<=10, argument++; /* allows using KB notation */
if (*argument=='M') bSize<<=20, argument++;
if (*argument=='B') argument++;
if (toupper(*argument)=='K') bSize<<=10, argument++; /* allows using KB notation */
if (toupper(*argument)=='M') bSize<<=20, argument++;
if (toupper(*argument)=='B') argument++;
BMK_setNotificationLevel(displayLevel);
BMK_SetBlockSize(bSize);
}
@@ -368,8 +369,7 @@ int main(int argCount, const char** argv)
maxDictSize = 0;
while ((*argument>='0') && (*argument<='9'))
maxDictSize = maxDictSize * 10 + (*argument - '0'), argument++;
if (*argument=='k' || *argument=='K')
maxDictSize <<= 10;
if (toupper(*argument)=='K') maxDictSize <<= 10;
continue;
}