AuroraMiddleware/zstd
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strategy ZSTD_btopt pinned to (0) variant (faster one)

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This commit is contained in:
Yann Collet 2017-11-20 11:53:20 -08:00
parent 3f457264d1
commit 899f2a29f6
2 changed files with 1 additions and 4 deletions
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2
lib/compress/zstd_lazy.c
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@ -85,7 +85,6 @@ static U32 ZSTD_insertBt1(ZSTD_CCtx* zc,
if ((!extDict) || (matchIndex+matchLength >= dictLimit)) {
assert(matchIndex+matchLength >= dictLimit); /* might be wrong if extDict is incorrectly set to 0 */
match = base + matchIndex;
//if (match[matchLength] == ip[matchLength]) matchLength += ZSTD_count(ip+matchLength+1, match+matchLength+1, iend) +1;
matchLength += ZSTD_count(ip+matchLength, match+matchLength, iend);
} else {
match = dictBase + matchIndex;
@ -196,7 +195,6 @@ static size_t ZSTD_insertBtAndFindBestMatch (
if ((!extDict) || (matchIndex+matchLength >= dictLimit)) {
match = base + matchIndex;
//if (match[matchLength] == ip[matchLength]) matchLength += ZSTD_count(ip+matchLength+1, match+matchLength+1, iend) +1;
matchLength += ZSTD_count(ip+matchLength, match+matchLength, iend);
} else {
match = dictBase + matchIndex;

3
lib/compress/zstd_opt.c
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@ -345,7 +345,6 @@ U32 ZSTD_insertBtAndGetAllMatches (
if ((!extDict) || (matchIndex+matchLength >= dictLimit)) {
assert(matchIndex+matchLength >= dictLimit); /* ensure the condition is correct when !extDict */
match = base + matchIndex;
//if (match[matchLength] == ip[matchLength]) { matchLength += ZSTD_count(ip+matchLength+1, match+matchLength+1, iLimit) +1; }
matchLength += ZSTD_count(ip+matchLength, match+matchLength, iLimit);
} else {
match = dictBase + matchIndex;
@ -685,7 +684,7 @@ size_t ZSTD_compressBlock_btultra(ZSTD_CCtx* ctx, const void* src, size_t srcSiz
size_t ZSTD_compressBlock_btopt_extDict(ZSTD_CCtx* ctx, const void* src, size_t srcSize)
{
return ZSTD_compressBlock_opt_generic(ctx, src, srcSize, 1 /*optLevel*/, 1 /*extDict*/);
return ZSTD_compressBlock_opt_generic(ctx, src, srcSize, 0 /*optLevel*/, 1 /*extDict*/);
}
size_t ZSTD_compressBlock_btultra_extDict(ZSTD_CCtx* ctx, const void* src, size_t srcSize)