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sha3: make size/speed optimization decision configurable

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Denys Vlasenko
2013-01-15 01:12:26 +01:00
parent 60cb48ca50
commit 30a8652fbf
2 changed files with 68 additions and 19 deletions
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10
libbb/Config.src
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@ -28,6 +28,16 @@ config MD5_SMALL
2 3.0 5088
3 (smallest) 5.1 4912
config SHA3_SMALL
int "SHA3: Trade bytes for speed (0:fast, 1:slow)"
default 1
range 0 1
help
Trade binary size versus speed for the sha3sum algorithm.
SHA3_SMALL=0 compared to SHA3_SMALL=1 (approximate):
64-bit x86: +270 bytes of code, 45% faster
32-bit x86: +450 bytes of code, 75% faster
config FEATURE_FAST_TOP
bool "Faster /proc scanning code (+100 bytes)"
default y