Messages in this thread Patch in this message | | | Date | Sun, 18 May 2008 23:57:38 +0200 | From | Sebastian Siewior <> | Subject | Re: [PATCH] crypto: make michael_block a function |
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* Harvey Harrison | 2008-05-16 08:52:03 [-0700]:
>Well, the code-size difference is significant (about 200 bytes smaller >on X86-32). This macro is essentially an inline function that is pretty >large.
Can you please apply the attached patch and run | modprobe tcrypt mode=314
before and after your patch?
I get the following numbers on one of my maschines:
before: ~~~~~~~ |test 0 ( 16 byte blocks, 16 bytes per update, 1 updates): 122 cycles/operation, 7 cycles/byte |test 1 ( 64 byte blocks, 16 bytes per update, 4 updates): 370 cycles/operation, 5 cycles/byte |test 2 ( 64 byte blocks, 64 bytes per update, 1 updates): 216 cycles/operation, 3 cycles/byte |test 3 ( 256 byte blocks, 16 bytes per update, 16 updates): 1304 cycles/operation, 5 cycles/byte |test 4 ( 256 byte blocks, 64 bytes per update, 4 updates): 746 cycles/operation, 2 cycles/byte |test 5 ( 256 byte blocks, 256 bytes per update, 1 updates): 592 cycles/operation, 2 cycles/byte |test 6 ( 1024 byte blocks, 16 bytes per update, 64 updates): 5040 cycles/operation, 4 cycles/byte |test 7 ( 1024 byte blocks, 256 bytes per update, 4 updates): 2252 cycles/operation, 2 cycles/byte |test 8 ( 1024 byte blocks, 1024 bytes per update, 1 updates): 2098 cycles/operation, 2 cycles/byte |test 9 ( 2048 byte blocks, 16 bytes per update, 128 updates): 10021 cycles/operation, 4 cycles/byte |test 10 ( 2048 byte blocks, 256 bytes per update, 8 updates): 4446 cycles/operation, 2 cycles/byte |test 11 ( 2048 byte blocks, 1024 bytes per update, 2 updates): 4167 cycles/operation, 2 cycles/byte |test 12 ( 2048 byte blocks, 2048 bytes per update, 1 updates): 4106 cycles/operation, 2 cycles/byte |test 13 ( 4096 byte blocks, 16 bytes per update, 256 updates): 19982 cycles/operation, 4 cycles/byte |test 14 ( 4096 byte blocks, 256 bytes per update, 16 updates): 8833 cycles/operation, 2 cycles/byte |test 15 ( 4096 byte blocks, 1024 bytes per update, 4 updates): 8275 cycles/operation, 2 cycles/byte |test 16 ( 4096 byte blocks, 4096 bytes per update, 1 updates): 8122 cycles/operation, 1 cycles/byte |test 17 ( 8192 byte blocks, 16 bytes per update, 512 updates): 39906 cycles/operation, 4 cycles/byte |test 18 ( 8192 byte blocks, 256 bytes per update, 32 updates): 17607 cycles/operation, 2 cycles/byte |test 19 ( 8192 byte blocks, 1024 bytes per update, 8 updates): 16492 cycles/operation, 2 cycles/byte |test 20 ( 8192 byte blocks, 4096 bytes per update, 2 updates): 16214 cycles/operation, 1 cycles/byte |test 21 ( 8192 byte blocks, 8192 bytes per update, 1 updates): 16173 cycles/operation, 1 cycles/byte
after: ~~~~~~ |test 0 ( 16 byte blocks, 16 bytes per update, 1 updates): 175 cycles/operation, 10 cycles/byte |test 1 ( 64 byte blocks, 16 bytes per update, 4 updates): 510 cycles/operation, 7 cycles/byte |test 2 ( 64 byte blocks, 64 bytes per update, 1 updates): 342 cycles/operation, 5 cycles/byte |test 3 ( 256 byte blocks, 16 bytes per update, 16 updates): 1813 cycles/operation, 7 cycles/byte |test 4 ( 256 byte blocks, 64 bytes per update, 4 updates): 1182 cycles/operation, 4 cycles/byte |test 5 ( 256 byte blocks, 256 bytes per update, 1 updates): 1013 cycles/operation, 3 cycles/byte |test 6 ( 1024 byte blocks, 16 bytes per update, 64 updates): 7026 cycles/operation, 6 cycles/byte |test 7 ( 1024 byte blocks, 256 bytes per update, 4 updates): 3869 cycles/operation, 3 cycles/byte |test 8 ( 1024 byte blocks, 1024 bytes per update, 1 updates): 3701 cycles/operation, 3 cycles/byte |test 9 ( 2048 byte blocks, 16 bytes per update, 128 updates): 13975 cycles/operation, 6 cycles/byte |test 10 ( 2048 byte blocks, 256 bytes per update, 8 updates): 7662 cycles/operation, 3 cycles/byte |test 11 ( 2048 byte blocks, 1024 bytes per update, 2 updates): 7346 cycles/operation, 3 cycles/byte |test 12 ( 2048 byte blocks, 2048 bytes per update, 1 updates): 7282 cycles/operation, 3 cycles/byte |test 13 ( 4096 byte blocks, 16 bytes per update, 256 updates): 27875 cycles/operation, 6 cycles/byte |test 14 ( 4096 byte blocks, 256 bytes per update, 16 updates): 15247 cycles/operation, 3 cycles/byte |test 15 ( 4096 byte blocks, 1024 bytes per update, 4 updates): 14615 cycles/operation, 3 cycles/byte |test 16 ( 4096 byte blocks, 4096 bytes per update, 1 updates): 14447 cycles/operation, 3 cycles/byte |test 17 ( 8192 byte blocks, 16 bytes per update, 512 updates): 55673 cycles/operation, 6 cycles/byte |test 18 ( 8192 byte blocks, 256 bytes per update, 32 updates): 30416 cycles/operation, 3 cycles/byte |test 19 ( 8192 byte blocks, 1024 bytes per update, 8 updates): 29155 cycles/operation, 3 cycles/byte |test 20 ( 8192 byte blocks, 4096 bytes per update, 2 updates): 28839 cycles/operation, 3 cycles/byte |test 21 ( 8192 byte blocks, 8192 bytes per update, 1 updates): 28794 cycles/operation, 3 cycles/byte
> >Harvey
Sebastian
--- crypto/tcrypt.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c index 1ab8c01..c0040d5 100644 --- a/crypto/tcrypt.c +++ b/crypto/tcrypt.c @@ -1761,6 +1761,10 @@ static void do_test(void) test_hash_speed("sha224", sec, generic_hash_speed_template); if (mode > 300 && mode < 400) break; + case 314: + test_hash_speed("michael_mic", sec, generic_hash_speed_template); + if (mode > 300 && mode < 400) break; + case 399: break; -- 1.5.4.3
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