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fixed : new advanced AIP : setting nbThreads to the same value > 1

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This commit is contained in:
Yann Collet
2017-06-16 12:04:21 -07:00
parent 559ee82e90
commit 33873f0e74
1 changed files with 4 additions and 3 deletions
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lib/compress/zstd_compress.c
+4 -3
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@@ -335,6 +335,7 @@ size_t ZSTD_CCtx_setParameter(ZSTD_CCtx* cctx, ZSTD_cParameter param, unsigned v
case ZSTD_p_nbThreads:
if (value==0) return 0;
DEBUGLOG(5, " setting nbThreads : %u", value);
#ifndef ZSTD_MULTITHREAD
if (value > 1) return ERROR(compressionParameter_unsupported);
#endif
@@ -345,9 +346,8 @@ size_t ZSTD_CCtx_setParameter(ZSTD_CCtx* cctx, ZSTD_cParameter param, unsigned v
cctx->nbThreads = 1;
cctx->mtctx = ZSTDMT_createCCtx(value);
if (cctx->mtctx == NULL) return ERROR(memory_allocation);
cctx->nbThreads = value;
} else
cctx->nbThreads = 1;
}
cctx->nbThreads = value;
return 0;
case ZSTD_p_jobSize:
@@ -356,6 +356,7 @@ size_t ZSTD_CCtx_setParameter(ZSTD_CCtx* cctx, ZSTD_cParameter param, unsigned v
return ZSTDMT_setMTCtxParameter(cctx->mtctx, ZSTDMT_p_sectionSize, value);
case ZSTD_p_overlapSizeLog:
DEBUGLOG(5, " setting overlap with nbThreads == %u", cctx->nbThreads);
if (cctx->nbThreads <= 1) return ERROR(compressionParameter_unsupported);
assert(cctx->mtctx != NULL);
return ZSTDMT_setMTCtxParameter(cctx->mtctx, ZSTDMT_p_overlapSectionLog, value);