From: Yann Collet Date: Thu, 10 Mar 2016 10:01:44 +0000 (+0100) Subject: update compression level parameters X-Git-Tag: v0.6.0^2~17^2~73 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=da5be72fdab567030d47ca9d3910e026fd2c4015;p=thirdparty%2Fzstd.git update compression level parameters --- diff --git a/lib/zstd_compress.c b/lib/zstd_compress.c index 561af045a..09303195d 100644 --- a/lib/zstd_compress.c +++ b/lib/zstd_compress.c @@ -2307,8 +2307,8 @@ static const ZSTD_parameters ZSTD_defaultParameters[4][ZSTD_MAX_CLEVEL+1] = { { 0, 19, 15, 16, 0, 1, 6, 4, ZSTD_fast }, /* level 2 */ { 0, 20, 18, 20, 0, 1, 6, 4, ZSTD_fast }, /* level 3 */ { 0, 20, 13, 17, 0, 2, 5, 4, ZSTD_greedy }, /* level 4.*/ - { 0, 20, 15, 18, 0, 3, 5, 4, ZSTD_greedy }, /* level 5.*/ - { 0, 20, 18, 19, 0, 3, 5, 4, ZSTD_greedy }, /* level 6 */ + { 0, 20, 15, 18, 0, 3, 5, 4, ZSTD_greedy }, /* level 5 */ + { 0, 21, 16, 19, 0, 2, 5, 4, ZSTD_lazy }, /* level 6 */ { 0, 21, 17, 20, 0, 3, 5, 4, ZSTD_lazy }, /* level 7 */ { 0, 21, 18, 20, 0, 3, 5, 4, ZSTD_lazy2 }, /* level 8.*/ { 0, 21, 20, 20, 0, 3, 5, 4, ZSTD_lazy2 }, /* level 9 */ @@ -2319,12 +2319,12 @@ static const ZSTD_parameters ZSTD_defaultParameters[4][ZSTD_MAX_CLEVEL+1] = { { 0, 22, 21, 22, 0, 6, 5, 4, ZSTD_lazy2 }, /* level 14 */ { 0, 22, 21, 21, 0, 5, 5, 4, ZSTD_btlazy2 }, /* level 15 */ { 0, 23, 22, 22, 0, 5, 5, 4, ZSTD_btlazy2 }, /* level 16 */ - { 0, 24, 24, 24, 0, 5, 5, 4, ZSTD_btlazy2 }, /* level 17 */ - { 0, 24, 24, 23, 0, 5, 5, 30, ZSTD_btopt }, /* level 18 */ - { 0, 25, 25, 24, 0, 5, 4, 40, ZSTD_btopt }, /* level 19 */ - { 0, 25, 25, 24, 0, 6, 3, 64, ZSTD_btopt }, /* level 20 */ - { 0, 26, 26, 25, 0, 7, 3,256, ZSTD_btopt }, /* level 21 */ - { 0, 27, 28, 27, 0, 9, 3,256, ZSTD_btopt }, /* level 22 */ + { 0, 23, 22, 22, 0, 6, 5, 22, ZSTD_btopt }, /* level 17 */ + { 0, 22, 22, 22, 0, 5, 3, 44, ZSTD_btopt }, /* level 18 */ + { 0, 23, 24, 22, 0, 7, 3, 44, ZSTD_btopt }, /* level 19 */ + { 0, 25, 26, 22, 0, 7, 3, 71, ZSTD_btopt }, /* level 20 */ + { 0, 26, 26, 24, 0, 7, 3,256, ZSTD_btopt }, /* level 21 */ + { 0, 27, 28, 26, 0, 9, 3,256, ZSTD_btopt }, /* level 22 */ }, { /* for srcSize <= 256 KB */ /* l, W, C, H, H3, S, L, T, strat */