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wget: use FEATURE_COPYBUF_KB-sized buffer. Much faster for local transfers

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function                                             old     new   delta
base64enc                                              -      53     +53
gethdr                                               190     200     +10
ftpcmd                                               129     133      +4
progress_meter                                       160     122     -38
retrieve_file_data                                   431     392     -39
base64enc_512                                         46       -     -46
wget_main                                           2456    2220    -236
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(add/remove: 1/1 grow/shrink: 2/3 up/down: 67/-359)          Total: -292 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2011-02-10 06:29:06 +01:00
parent 77350aa933
commit df4e16c9af
2 changed files with 62 additions and 61 deletions
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2
libbb/Config.src
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@ -156,7 +156,7 @@ config FEATURE_COPYBUF_KB
range 1 1024
default 4
help
Size of buffer used by cp, mv, install etc.
Size of buffer used by cp, mv, install, wget etc.
Buffers which are 4 kb or less will be allocated on stack.
Bigger buffers will be allocated with mmap, with fallback to 4 kb
stack buffer if mmap fails.