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Merge pull request #1838 from facebook/fixAdvanced 

fix initCStream_advanced() for fast strategies
dev
Yann Collet 2019-10-22 16:22:55 -07:00 committed by GitHub
parent 514f941a70 5d5c895b18
commit 09d0b52998
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 17 additions and 18 deletions
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32
lib/compress/zstd_compress.c
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@ -238,10 +238,10 @@ size_t ZSTD_CCtxParams_init_advanced(ZSTD_CCtx_params* cctxParams, ZSTD_paramete
RETURN_ERROR_IF(!cctxParams, GENERIC);
FORWARD_IF_ERROR( ZSTD_checkCParams(params.cParams) );
memset(cctxParams, 0, sizeof(*cctxParams));
assert(!ZSTD_checkCParams(params.cParams));
cctxParams->cParams = params.cParams;
cctxParams->fParams = params.fParams;
cctxParams->compressionLevel = ZSTD_CLEVEL_DEFAULT; /* should not matter, as all cParams are presumed properly defined */
assert(!ZSTD_checkCParams(params.cParams));
return 0;
}
@ -251,10 +251,10 @@ static ZSTD_CCtx_params ZSTD_assignParamsToCCtxParams(
const ZSTD_CCtx_params* cctxParams, ZSTD_parameters params)
{
ZSTD_CCtx_params ret = *cctxParams;
assert(!ZSTD_checkCParams(params.cParams));
ret.cParams = params.cParams;
ret.fParams = params.fParams;
ret.compressionLevel = ZSTD_CLEVEL_DEFAULT; /* should not matter, as all cParams are presumed properly defined */
assert(!ZSTD_checkCParams(params.cParams));
return ret;
}
@ -533,33 +533,33 @@ size_t ZSTD_CCtxParams_setParameter(ZSTD_CCtx_params* CCtxParams,
if (value) { /* 0 : does not change current level */
CCtxParams->compressionLevel = value;
}
if (CCtxParams->compressionLevel >= 0) return CCtxParams->compressionLevel;
if (CCtxParams->compressionLevel >= 0) return (size_t)CCtxParams->compressionLevel;
return 0; /* return type (size_t) cannot represent negative values */
}
case ZSTD_c_windowLog :
if (value!=0) /* 0 => use default */
BOUNDCHECK(ZSTD_c_windowLog, value);
CCtxParams->cParams.windowLog = value;
CCtxParams->cParams.windowLog = (U32)value;
return CCtxParams->cParams.windowLog;
case ZSTD_c_hashLog :
if (value!=0) /* 0 => use default */
BOUNDCHECK(ZSTD_c_hashLog, value);
CCtxParams->cParams.hashLog = value;
CCtxParams->cParams.hashLog = (U32)value;
return CCtxParams->cParams.hashLog;
case ZSTD_c_chainLog :
if (value!=0) /* 0 => use default */
BOUNDCHECK(ZSTD_c_chainLog, value);
CCtxParams->cParams.chainLog = value;
CCtxParams->cParams.chainLog = (U32)value;
return CCtxParams->cParams.chainLog;
case ZSTD_c_searchLog :
if (value!=0) /* 0 => use default */
BOUNDCHECK(ZSTD_c_searchLog, value);
CCtxParams->cParams.searchLog = value;
return value;
CCtxParams->cParams.searchLog = (U32)value;
return (size_t)value;
case ZSTD_c_minMatch :
if (value!=0) /* 0 => use default */
@ -3810,7 +3810,7 @@ size_t ZSTD_compressStream2( ZSTD_CCtx* cctx,
if (cctx->mtctx == NULL) {
DEBUGLOG(4, "ZSTD_compressStream2: creating new mtctx for nbWorkers=%u",
params.nbWorkers);
cctx->mtctx = ZSTDMT_createCCtx_advanced(params.nbWorkers, cctx->customMem);
cctx->mtctx = ZSTDMT_createCCtx_advanced((U32)params.nbWorkers, cctx->customMem);
RETURN_ERROR_IF(cctx->mtctx == NULL, memory_allocation);
}
/* mt compression */
@ -3938,8 +3938,8 @@ static const ZSTD_compressionParameters ZSTD_defaultCParameters[4][ZSTD_MAX_CLEV
{ 19, 12, 13, 1, 6, 1, ZSTD_fast }, /* base for negative levels */
{ 19, 13, 14, 1, 7, 0, ZSTD_fast }, /* level 1 */
{ 20, 15, 16, 1, 6, 0, ZSTD_fast }, /* level 2 */
{ 21, 16, 17, 1, 5, 1, ZSTD_dfast }, /* level 3 */
{ 21, 18, 18, 1, 5, 1, ZSTD_dfast }, /* level 4 */
{ 21, 16, 17, 1, 5, 0, ZSTD_dfast }, /* level 3 */
{ 21, 18, 18, 1, 5, 0, ZSTD_dfast }, /* level 4 */
{ 21, 18, 19, 2, 5, 2, ZSTD_greedy }, /* level 5 */
{ 21, 19, 19, 3, 5, 4, ZSTD_greedy }, /* level 6 */
{ 21, 19, 19, 3, 5, 8, ZSTD_lazy }, /* level 7 */
@ -3963,8 +3963,8 @@ static const ZSTD_compressionParameters ZSTD_defaultCParameters[4][ZSTD_MAX_CLEV
/* W, C, H, S, L, T, strat */
{ 18, 12, 13, 1, 5, 1, ZSTD_fast }, /* base for negative levels */
{ 18, 13, 14, 1, 6, 0, ZSTD_fast }, /* level 1 */
{ 18, 14, 14, 1, 5, 1, ZSTD_dfast }, /* level 2 */
{ 18, 16, 16, 1, 4, 1, ZSTD_dfast }, /* level 3 */
{ 18, 14, 14, 1, 5, 0, ZSTD_dfast }, /* level 2 */
{ 18, 16, 16, 1, 4, 0, ZSTD_dfast }, /* level 3 */
{ 18, 16, 17, 2, 5, 2, ZSTD_greedy }, /* level 4.*/
{ 18, 18, 18, 3, 5, 2, ZSTD_greedy }, /* level 5.*/
{ 18, 18, 19, 3, 5, 4, ZSTD_lazy }, /* level 6.*/
@ -3990,8 +3990,8 @@ static const ZSTD_compressionParameters ZSTD_defaultCParameters[4][ZSTD_MAX_CLEV
{ 17, 12, 12, 1, 5, 1, ZSTD_fast }, /* base for negative levels */
{ 17, 12, 13, 1, 6, 0, ZSTD_fast }, /* level 1 */
{ 17, 13, 15, 1, 5, 0, ZSTD_fast }, /* level 2 */
{ 17, 15, 16, 2, 5, 1, ZSTD_dfast }, /* level 3 */
{ 17, 17, 17, 2, 4, 1, ZSTD_dfast }, /* level 4 */
{ 17, 15, 16, 2, 5, 0, ZSTD_dfast }, /* level 3 */
{ 17, 17, 17, 2, 4, 0, ZSTD_dfast }, /* level 4 */
{ 17, 16, 17, 3, 4, 2, ZSTD_greedy }, /* level 5 */
{ 17, 17, 17, 3, 4, 4, ZSTD_lazy }, /* level 6 */
{ 17, 17, 17, 3, 4, 8, ZSTD_lazy2 }, /* level 7 */
@ -4016,7 +4016,7 @@ static const ZSTD_compressionParameters ZSTD_defaultCParameters[4][ZSTD_MAX_CLEV
{ 14, 12, 13, 1, 5, 1, ZSTD_fast }, /* base for negative levels */
{ 14, 14, 15, 1, 5, 0, ZSTD_fast }, /* level 1 */
{ 14, 14, 15, 1, 4, 0, ZSTD_fast }, /* level 2 */
{ 14, 14, 15, 2, 4, 1, ZSTD_dfast }, /* level 3 */
{ 14, 14, 15, 2, 4, 0, ZSTD_dfast }, /* level 3 */
{ 14, 14, 14, 4, 4, 2, ZSTD_greedy }, /* level 4 */
{ 14, 14, 14, 3, 4, 4, ZSTD_lazy }, /* level 5.*/
{ 14, 14, 14, 4, 4, 8, ZSTD_lazy2 }, /* level 6 */

3
tests/fullbench.c
View File

@ -45,7 +45,6 @@
#define NBLOOPS 6
#define TIMELOOP_S 2
#define KNUTH 2654435761U
#define MAX_MEM (1984 MB)
#define DEFAULT_CLEVEL 1
@ -722,7 +721,7 @@ static int usage_advanced(const char* exename)
DISPLAY( "\nAdvanced options :\n");
DISPLAY( " -b# : test only function # \n");
DISPLAY( " -l# : benchmark functions at that compression level (default : %i)\n", DEFAULT_CLEVEL);
DISPLAY( " --zstd : custom parameter selection. Format same as zstdcli \n");
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)kSampleSizeDefault);
DISPLAY( " -i# : iteration loops [1-9](default : %i)\n", NBLOOPS);