zstd/compress/clevels.h

1 /* SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause */
6  * This source code is licensed under both the BSD-style license (found in the
9  * You may select, at your option, one of the above-listed licenses.
18 /*-=====  Pre-defined compression levels  =====-*/
25 {   /* "default" - for any srcSize > 256 KB */
28     { 19, 13, 14,  1,  7,  0, ZSTD_fast    },  /* level  1 */
29     { 20, 15, 16,  1,  6,  0, ZSTD_fast    },  /* level  2 */
30     { 21, 16, 17,  1,  5,  0, ZSTD_dfast   },  /* level  3 */
31     { 21, 18, 18,  1,  5,  0, ZSTD_dfast   },  /* level  4 */
42     { 22, 23, 23,  6,  5, 32, ZSTD_btlazy2 },  /* level 15 */
54     { 18, 13, 14,  1,  6,  0, ZSTD_fast    },  /* level  1 */
55     { 18, 14, 14,  1,  5,  0, ZSTD_dfast   },  /* level  2 */
56     { 18, 16, 16,  1,  4,  0, ZSTD_dfast   },  /* level  3 */
68     { 18, 18, 19,  6,  3,128, ZSTD_btopt   },  /* level 15.*/
80     { 17, 12, 13,  1,  6,  0, ZSTD_fast    },  /* level  1 */
81     { 17, 13, 15,  1,  5,  0, ZSTD_fast    },  /* level  2 */
82     { 17, 15, 16,  2,  5,  0, ZSTD_dfast   },  /* level  3 */
83     { 17, 17, 17,  2,  4,  0, ZSTD_dfast   },  /* level  4 */
94     { 17, 18, 17,  6,  3,256, ZSTD_btopt   },  /* level 15.*/
106     { 14, 14, 15,  1,  5,  0, ZSTD_fast    },  /* level  1 */
107     { 14, 14, 15,  1,  4,  0, ZSTD_fast    },  /* level  2 */
108     { 14, 14, 15,  2,  4,  0, ZSTD_dfast   },  /* level  3 */
114     { 14, 15, 14,  5,  4,  8, ZSTD_btlazy2 },  /* level  9.*/
115     { 14, 15, 14,  9,  4,  8, ZSTD_btlazy2 },  /* level 10.*/
116     { 14, 15, 14,  3,  4, 12, ZSTD_btopt   },  /* level 11.*/
117     { 14, 15, 14,  4,  3, 24, ZSTD_btopt   },  /* level 12.*/
118     { 14, 15, 14,  5,  3, 32, ZSTD_btultra },  /* level 13.*/
119     { 14, 15, 15,  6,  3, 64, ZSTD_btultra },  /* level 14.*/
120     { 14, 15, 15,  7,  3,256, ZSTD_btultra },  /* level 15.*/
121     { 14, 15, 15,  5,  3, 48, ZSTD_btultra2},  /* level 16.*/
122     { 14, 15, 15,  6,  3,128, ZSTD_btultra2},  /* level 17.*/
123     { 14, 15, 15,  7,  3,256, ZSTD_btultra2},  /* level 18.*/
124     { 14, 15, 15,  8,  3,256, ZSTD_btultra2},  /* level 19.*/
125     { 14, 15, 15,  8,  3,512, ZSTD_btultra2},  /* level 20.*/
126     { 14, 15, 15,  9,  3,512, ZSTD_btultra2},  /* level 21.*/
127     { 14, 15, 15, 10,  3,999, ZSTD_btultra2},  /* level 22.*/