From 37e314a68d6effdf445af18a99f22e28b9431675 Mon Sep 17 00:00:00 2001 From: Yann Collet Date: Sun, 9 Dec 2018 22:38:05 -0800 Subject: [PATCH] updated clevel table for large inputs --- lib/compress/zstd_compress.c | 38 ++++++++++++++++++------------------ 1 file changed, 19 insertions(+), 19 deletions(-) diff --git a/lib/compress/zstd_compress.c b/lib/compress/zstd_compress.c index 0b94a728..fb1a38a2 100644 --- a/lib/compress/zstd_compress.c +++ b/lib/compress/zstd_compress.c @@ -4144,27 +4144,27 @@ static const ZSTD_compressionParameters ZSTD_defaultCParameters[4][ZSTD_MAX_CLEV /* W, C, H, S, L, TL, strat */ { 19, 12, 13, 1, 6, 1, ZSTD_fast }, /* base for negative levels */ { 19, 13, 14, 1, 7, 0, ZSTD_fast }, /* level 1 */ - { 19, 15, 16, 1, 6, 0, ZSTD_fast }, /* level 2 */ - { 20, 16, 17, 1, 5, 1, ZSTD_dfast }, /* level 3 */ - { 20, 18, 18, 1, 5, 1, ZSTD_dfast }, /* level 4 */ - { 20, 18, 18, 2, 5, 2, ZSTD_greedy }, /* level 5 */ - { 21, 18, 19, 2, 5, 4, ZSTD_lazy }, /* level 6 */ - { 21, 18, 19, 3, 5, 8, ZSTD_lazy2 }, /* level 7 */ + { 20, 15, 16, 1, 6, 0, ZSTD_fast }, /* level 2 */ + { 21, 16, 17, 1, 5, 1, ZSTD_dfast }, /* level 3 */ + { 21, 18, 18, 1, 5, 1, ZSTD_dfast }, /* level 4 */ + { 21, 18, 19, 2, 5, 2, ZSTD_greedy }, /* level 5 */ + { 21, 19, 19, 3, 5, 4, ZSTD_greedy }, /* level 6 */ + { 21, 19, 19, 3, 5, 8, ZSTD_lazy }, /* level 7 */ { 21, 19, 19, 3, 5, 16, ZSTD_lazy2 }, /* level 8 */ { 21, 19, 20, 4, 5, 16, ZSTD_lazy2 }, /* level 9 */ - { 21, 20, 21, 4, 5, 16, ZSTD_lazy2 }, /* level 10 */ - { 21, 21, 22, 4, 5, 16, ZSTD_lazy2 }, /* level 11 */ - { 22, 20, 22, 5, 5, 16, ZSTD_lazy2 }, /* level 12 */ - { 22, 21, 22, 4, 5, 32, ZSTD_btlazy2 }, /* level 13 */ - { 22, 21, 22, 5, 5, 32, ZSTD_btlazy2 }, /* level 14 */ - { 22, 22, 22, 6, 5, 32, ZSTD_btlazy2 }, /* level 15 */ - { 22, 21, 22, 4, 5, 48, ZSTD_btopt }, /* level 16 */ - { 23, 22, 22, 4, 4, 64, ZSTD_btopt }, /* level 17 */ - { 23, 23, 22, 6, 3,256, ZSTD_btopt }, /* level 18 */ - { 23, 24, 22, 7, 3,256, ZSTD_btultra }, /* level 19 */ - { 25, 25, 23, 7, 3,256, ZSTD_btultra }, /* level 20 */ - { 26, 26, 24, 7, 3,512, ZSTD_btultra }, /* level 21 */ - { 27, 27, 25, 9, 3,999, ZSTD_btultra }, /* level 22 */ + { 22, 20, 21, 4, 5, 16, ZSTD_lazy2 }, /* level 10 */ + { 22, 21, 22, 4, 5, 16, ZSTD_lazy2 }, /* level 11 */ + { 22, 21, 22, 5, 5, 16, ZSTD_lazy2 }, /* level 12 */ + { 22, 21, 22, 5, 5, 32, ZSTD_btlazy2 }, /* level 13 */ + { 22, 22, 23, 5, 5, 32, ZSTD_btlazy2 }, /* level 14 */ + { 22, 23, 23, 6, 5, 32, ZSTD_btlazy2 }, /* level 15 */ + { 22, 22, 22, 5, 5, 48, ZSTD_btopt }, /* level 16 */ + { 23, 23, 22, 5, 4, 64, ZSTD_btopt }, /* level 17 */ + { 23, 23, 22, 6, 3, 64, ZSTD_btultra }, /* level 18 */ + { 23, 24, 22, 7, 3,256, ZSTD_btultra2}, /* level 19 */ + { 25, 25, 23, 7, 3,256, ZSTD_btultra2}, /* level 20 */ + { 26, 26, 24, 7, 3,512, ZSTD_btultra2}, /* level 21 */ + { 27, 27, 25, 9, 3,999, ZSTD_btultra2}, /* level 22 */ }, { /* for srcSize <= 256 KB */ /* W, C, H, S, L, T, strat */