AuroraMiddleware/zstd
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Also Use matchLow for HC3 Match

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This commit is contained in:
W. Felix Handte 2018-06-20 15:51:14 -04:00
parent 0a6cf7cd1d
commit 9c14eafe3d
1 changed files with 1 additions and 1 deletions
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lib/compress/zstd_opt.c
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@ -581,7 +581,7 @@ U32 ZSTD_insertBtAndGetAllMatches (
/* HC3 match finder */ /* HC3 match finder */
if ((mls == 3) /*static*/ && (bestLength < mls)) { if ((mls == 3) /*static*/ && (bestLength < mls)) {
U32 const matchIndex3 = ZSTD_insertAndFindFirstIndexHash3(ms, ip); U32 const matchIndex3 = ZSTD_insertAndFindFirstIndexHash3(ms, ip);
if ((matchIndex3 > windowLow) if ((matchIndex3 >= matchLow)
& (current - matchIndex3 < (1<<18)) /*heuristic : longer distance likely too expensive*/ ) { & (current - matchIndex3 < (1<<18)) /*heuristic : longer distance likely too expensive*/ ) {
size_t mlen; size_t mlen;
if ((dictMode == ZSTD_noDict) /*static*/ || (dictMode == ZSTD_dictMatchState) /*static*/ || (matchIndex3 >= dictLimit)) { if ((dictMode == ZSTD_noDict) /*static*/ || (dictMode == ZSTD_dictMatchState) /*static*/ || (matchIndex3 >= dictLimit)) {