zstd/compress/clevels.h

2  * Copyright (c) Yann Collet, Facebook, Inc.
5  * This source code is licensed under both the BSD-style license (found in the
8  * You may select, at your option, one of the above-listed licenses.
17 /*-=====  Pre-defined compression levels  =====-*/
19 #define ZSTD_MAX_CLEVEL     22
24 {   /* "default" - for any srcSize > 256 KB */
25     /* W,  C,  H,  S,  L, TL, strat */
35     { 22, 20, 21,  4,  5, 16, ZSTD_lazy2   },  /* level  9 */
36     { 22, 21, 22,  5,  5, 16, ZSTD_lazy2   },  /* level 10 */
37     { 22, 21, 22,  6,  5, 16, ZSTD_lazy2   },  /* level 11 */
38     { 22, 22, 23,  6,  5, 32, ZSTD_lazy2   },  /* level 12 */
39     { 22, 22, 22,  4,  5, 32, ZSTD_btlazy2 },  /* level 13 */
40     { 22, 22, 23,  5,  5, 32, ZSTD_btlazy2 },  /* level 14 */
41     { 22, 23, 23,  6,  5, 32, ZSTD_btlazy2 },  /* level 15 */
42     { 22, 22, 22,  5,  5, 48, ZSTD_btopt   },  /* level 16 */
43     { 23, 23, 22,  5,  4, 64, ZSTD_btopt   },  /* level 17 */
44     { 23, 23, 22,  6,  3, 64, ZSTD_btultra },  /* level 18 */
45     { 23, 24, 22,  7,  3,256, ZSTD_btultra2},  /* level 19 */
48     { 27, 27, 25,  9,  3,999, ZSTD_btultra2},  /* level 22 */
51     /* W,  C,  H,  S,  L,  T, strat */
74     { 18, 19, 19, 13,  3,999, ZSTD_btultra2},  /* level 22.*/
77     /* W,  C,  H,  S,  L,  T, strat */
100     { 17, 18, 17, 11,  3,999, ZSTD_btultra2},  /* level 22.*/
103     /* W,  C,  H,  S,  L,  T, strat */
126     { 14, 15, 15, 10,  3,999, ZSTD_btultra2},  /* level 22.*/