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| author | Yann Collet <cyan@fb.com> | 2017-03-18 01:07:53 (GMT) |
|---|---|---|
| committer | Yann Collet <cyan@fb.com> | 2017-03-20 09:33:02 (GMT) |
| commit | cea8f60df14d3c538e0a420eb15b808159ab6c09 (patch) | |
| tree | 05fe4a0600f13a2b947b0c779ddada93004e8c1f /lib | |
| parent | 8bd32a17b112dd46f61d835e4368ff1bc4464048 (diff) | |
| download | lz4-cea8f60df14d3c538e0a420eb15b808159ab6c09.zip lz4-cea8f60df14d3c538e0a420eb15b808159ab6c09.tar.gz lz4-cea8f60df14d3c538e0a420eb15b808159ab6c09.tar.bz2 | |
slight btopt speed improvement
removing a useless test
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/lz4opt.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/lz4opt.h b/lib/lz4opt.h index f12468a..36c84bb 100644 --- a/lib/lz4opt.h +++ b/lib/lz4opt.h @@ -278,13 +278,14 @@ static int LZ4HC_compress_optimal ( mlen = 1; best_mlen = 0; - if (cur > last_pos || price < (size_t)opt[cur].price) - SET_PRICE(cur, mlen, best_mlen, litlen, price); + if (price < (size_t)opt[cur].price) + SET_PRICE(cur, mlen, best_mlen, litlen, price); /* note : increases last_pos */ if (cur == last_pos || inr >= mflimit) break; match_num = LZ4HC_BinTree_GetAllMatches(ctx, inr, matchlimit, MINMATCH-1, matches, fullUpdate); - if (match_num > 0 && (size_t)matches[match_num-1].len > sufficient_len) { + if ((match_num > 0) && (size_t)matches[match_num-1].len > sufficient_len) { + /* immediate encoding */ best_mlen = matches[match_num-1].len; best_off = matches[match_num-1].off; last_pos = cur + 1; |