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| author | Yann Collet <cyan@fb.com> | 2017-11-03 07:59:05 (GMT) |
|---|---|---|
| committer | Yann Collet <cyan@fb.com> | 2017-11-03 07:59:05 (GMT) |
| commit | 82c1aed41927d0d3400ab91f975c2e163ecdcc1d (patch) | |
| tree | 0bcb8c3dda47052168550b5df2588802f946277e /lib/lz4opt.h | |
| parent | 890c0553d08ad6a6a4f2801523667413b5477512 (diff) | |
| download | lz4-82c1aed41927d0d3400ab91f975c2e163ecdcc1d.zip lz4-82c1aed41927d0d3400ab91f975c2e163ecdcc1d.tar.gz lz4-82c1aed41927d0d3400ab91f975c2e163ecdcc1d.tar.bz2 | |
improved level 11 speed
Diffstat (limited to 'lib/lz4opt.h')
| -rw-r--r-- | lib/lz4opt.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/lz4opt.h b/lib/lz4opt.h index edcfc10..c754865 100644 --- a/lib/lz4opt.h +++ b/lib/lz4opt.h @@ -324,8 +324,10 @@ static int LZ4HC_compress_optimal ( DEBUGLOG(7, "search at rPos:%u", cur); //nb_matches = LZ4HC_BinTree_GetAllMatches(ctx, curPtr, matchlimit, MINMATCH-1, matches, fullUpdate); - nb_matches = LZ4HC_HashChain_GetAllMatches(ctx, curPtr, matchlimit, MINMATCH-1, matches, fullUpdate); - //nb_matches = LZ4HC_HashChain_GetAllMatches(ctx, curPtr, matchlimit, last_match_pos - cur, matches, fullUpdate); /* only test matches of a minimum length */ + if (fullUpdate) + nb_matches = LZ4HC_HashChain_GetAllMatches(ctx, curPtr, matchlimit, MINMATCH-1, matches, fullUpdate); + else + nb_matches = LZ4HC_HashChain_GetAllMatches(ctx, curPtr, matchlimit, last_match_pos - cur, matches, fullUpdate); /* only test matches of a minimum length; slightly faster, but misses a few bytes */ if (!nb_matches) continue; if ( ((size_t)matches[nb_matches-1].len > sufficient_len) |