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

small blocks params

Browse Source
This commit is contained in:
Yann Collet
2015-11-09 16:38:17 +01:00
parent 5027945f9f
commit 43e0cd512a
10 changed files with 55 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files
programs/paramgrill.c
+8 -4
View File
@@ -122,7 +122,7 @@ static U32 g_rand = 1;
static U32 g_singleRun = 0;
static U32 g_target = 0;
static U32 g_noSeed = 0;
static const ZSTD_HC_parameters* g_seedParams = ZSTD_HC_defaultParameters;
static const ZSTD_HC_parameters* g_seedParams = ZSTD_HC_defaultParameters[0];
static ZSTD_HC_parameters g_params = { 0, 0, 0, 0, 0, ZSTD_HC_greedy };
void BMK_SetNbIterations(int nbLoops)
@@ -703,12 +703,13 @@ static void BMK_benchMem(void* srcBuffer, size_t srcSize)
int i;
const char* rfName = "grillResults.txt";
FILE* f;
const U32 srcLog = BMK_highbit((U32)( (g_blockSize ? g_blockSize : srcSize) -1))+1;
const size_t blockSize = g_blockSize ? g_blockSize : srcSize;
const U32 srcLog = BMK_highbit((U32)(blockSize-1))+1;
if (g_singleRun)
{
BMK_result_t testResult;
ZSTD_HC_validateParams(&g_params, g_blockSize ? g_blockSize : srcSize);
ZSTD_HC_validateParams(&g_params, blockSize);
BMK_benchParam(&testResult, srcBuffer, srcSize, ctx, g_params);
DISPLAY("\n");
return;
@@ -725,12 +726,13 @@ static void BMK_benchMem(void* srcBuffer, size_t srcSize)
{
/* baseline config for level 1 */
BMK_result_t testResult;
params.windowLog = MIN(srcLog, 18);
params.windowLog = 18;
params.hashLog = 14;
params.contentLog = 1;
params.searchLog = 1;
params.searchLength = 7;
params.strategy = ZSTD_HC_fast;
ZSTD_HC_validateParams(&params, blockSize);
BMK_benchParam(&testResult, srcBuffer, srcSize, ctx, params);
g_cSpeedTarget[1] = (testResult.cSpeed * 15) >> 4;
}
@@ -741,7 +743,9 @@ static void BMK_benchMem(void* srcBuffer, size_t srcSize)
/* populate initial solution */
{
const int tableID = (blockSize > 128 KB);
const int maxSeeds = g_noSeed ? 1 : ZSTD_HC_MAX_CLEVEL;
g_seedParams = ZSTD_HC_defaultParameters[tableID];
for (i=1; i<=maxSeeds; i++)
{
const U32 btPlus = (params.strategy == ZSTD_HC_btlazy2);