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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2011-09-10 13:25:57 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2011-09-10 13:25:57 +0200 |
| commit | 522041ee7b10ac544b90c6a8d1d4fbf8a5d39c6d (patch) | |
| tree | 412854af83f841f564faf842ca6cefc12a016236 /archival/Config.src | |
| parent | 202a1b9284fd763e81340050d228103aef999675 (diff) | |
| download | busybox-w32-522041ee7b10ac544b90c6a8d1d4fbf8a5d39c6d.tar.gz busybox-w32-522041ee7b10ac544b90c6a8d1d4fbf8a5d39c6d.tar.bz2 busybox-w32-522041ee7b10ac544b90c6a8d1d4fbf8a5d39c6d.zip | |
regularize options which control size/speed trade
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'archival/Config.src')
| -rw-r--r-- | archival/Config.src | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/archival/Config.src b/archival/Config.src index 9f4908178..885cb5bcc 100644 --- a/archival/Config.src +++ b/archival/Config.src | |||
| @@ -187,15 +187,17 @@ config FEATURE_GZIP_LONG_OPTIONS | |||
| 187 | help | 187 | help |
| 188 | Enable use of long options, increases size by about 106 Bytes | 188 | Enable use of long options, increases size by about 106 Bytes |
| 189 | 189 | ||
| 190 | config GZIP_BIG_MEM | 190 | config GZIP_FAST |
| 191 | bool "Trade memory for gzip speed" | 191 | int "Trade memory for gzip speed (0:small,slow - 2:fast,big)" |
| 192 | default n | 192 | default 0 |
| 193 | depends on GZIP | 193 | range 0 2 |
| 194 | help | 194 | depends on GZIP |
| 195 | Enable big memory options for gzip, including larger I/O | 195 | help |
| 196 | buffers and bigger hash tables. Faster, but uses at least | 196 | Enable big memory options for gzip. |
| 197 | twice as much memory. Select if speed is more important than | 197 | 0: small buffers, small hash-tables |
| 198 | memory use. | 198 | 1: larger buffers, larger hash-tables |
| 199 | 2: larger buffers, largest hash-tables | ||
| 200 | Larger models may give slightly better compression | ||
| 199 | 201 | ||
| 200 | config LZOP | 202 | config LZOP |
| 201 | bool "lzop" | 203 | bool "lzop" |
| @@ -340,15 +342,12 @@ config UNLZMA | |||
| 340 | is generally considerably better than that achieved by the bzip2 | 342 | is generally considerably better than that achieved by the bzip2 |
| 341 | compressors. | 343 | compressors. |
| 342 | 344 | ||
| 343 | The BusyBox unlzma applet is limited to de-compression only. | 345 | The BusyBox unlzma applet is limited to decompression only. |
| 344 | On an x86 system, this applet adds about 4K. | 346 | On an x86 system, this applet adds about 4K. |
| 345 | 347 | ||
| 346 | Unless you have a specific application which requires unlzma, you | ||
| 347 | should probably say N here. | ||
| 348 | |||
| 349 | config FEATURE_LZMA_FAST | 348 | config FEATURE_LZMA_FAST |
| 350 | bool "Optimize unlzma for speed" | 349 | bool "Optimize unlzma for speed" |
| 351 | default y | 350 | default n |
| 352 | depends on UNLZMA | 351 | depends on UNLZMA |
| 353 | help | 352 | help |
| 354 | This option reduces decompression time by about 25% at the cost of | 353 | This option reduces decompression time by about 25% at the cost of |