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minor compression level adaptation

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level 12 compresses slightly more and faster
due to better btlazy2 mode
This commit is contained in:
Yann Collet
2018-03-11 03:06:52 -07:00
parent e0ba7ccdec
commit facc09aa03
1 changed files with 2 additions and 2 deletions
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lib/compress/zstd_compress.c
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@@ -3216,8 +3216,8 @@ static const ZSTD_compressionParameters ZSTD_defaultCParameters[4][ZSTD_MAX_CLEV
{ 18, 17, 17, 5, 4, 8, ZSTD_lazy2 }, /* level 9 */
{ 18, 17, 17, 6, 4, 8, ZSTD_lazy2 }, /* level 10 */
{ 18, 18, 17, 6, 4, 8, ZSTD_lazy2 }, /* level 11.*/
{ 18, 18, 17, 7, 4, 8, ZSTD_lazy2 }, /* level 12.*/
{ 18, 19, 17, 6, 4, 8, ZSTD_btlazy2 }, /* level 13 */
{ 18, 18, 17, 5, 4, 8, ZSTD_btlazy2 }, /* level 12.*/
{ 18, 19, 17, 7, 4, 8, ZSTD_btlazy2 }, /* level 13 */
{ 18, 18, 18, 4, 4, 16, ZSTD_btopt }, /* level 14.*/
{ 18, 18, 18, 4, 3, 16, ZSTD_btopt }, /* level 15.*/
{ 18, 19, 18, 6, 3, 32, ZSTD_btopt }, /* level 16.*/