diff options
| -rw-r--r-- | archival/gzip.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/archival/gzip.c b/archival/gzip.c index a543d8c36..b08e60efd 100644 --- a/archival/gzip.c +++ b/archival/gzip.c @@ -52,7 +52,7 @@ aa: 85.1% -- replaced with aa.gz //config: help //config: Enable support for compression levels 4-9. The default level //config: is 6. If levels 1-3 are specified, 4 is used. -//config: If this option is not selected, -N options are ignored and -9 +//config: If this option is not selected, -N options are ignored and -6 //config: is used. //config: //config:config FEATURE_GZIP_DECOMPRESS @@ -259,13 +259,13 @@ enum { #if !ENABLE_FEATURE_GZIP_LEVELS - comp_level = 9, - max_chain_length = 4096, + comp_level = 6, + max_chain_length = 128, /* To speed up deflation, hash chains are never searched beyond this length. * A higher limit improves compression ratio but degrades the speed. */ - max_lazy_match = 258, + max_lazy_match = 16, /* Attempt to find a better match only when the current match is strictly * smaller than this value. This mechanism is used only for compression * levels >= 4. @@ -277,7 +277,7 @@ enum { * max_insert_length is used only for compression levels <= 3. */ - good_match = 32, + good_match = 8, /* Use a faster search when the previous match is longer than this */ /* Values for max_lazy_match, good_match and max_chain_length, depending on @@ -286,7 +286,7 @@ enum { * found for specific files. */ - nice_match = 258, /* Stop searching when current match exceeds this */ + nice_match = 128, /* Stop searching when current match exceeds this */ /* Note: the deflate() code requires max_lazy >= MIN_MATCH and max_chain >= 4 * For deflate_fast() (levels <= 3) good is ignored and lazy has a different * meaning. |