Messages in this thread | | | From | Denys Vlasenko <> | Date | Thu, 29 Mar 2012 12:33:44 +0200 | Subject | Re: [PATCH 0/1] vsprintf: optimize decimal conversion (again) |
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On Thu, Mar 29, 2012 at 7:23 AM, roma1390 <roma1390@gmail.com> wrote: > On 2012.03.28 14:23, Denys Vlasenko wrote: >> >> It looks ok - it is a bit faster that original code; >> but I expect algorithm #2 will do better. >> >> BTW, please always run test of original code too when you measure speed, >> and post both results. > > > And the test results are: > > ./test_new-org-with-noinline_for_stack > Conversions per second: 8:5188000 123:4340000 123456:3536000 > 12345678:3164000 123456789:2036000 2^32:2032000 2^64:1544000 > Conversions per second: 8:5016000 123:4320000 123456:3536000 > 12345678:3272000 123456789:2032000 2^32:1964000 2^64:1540000 > Conversions per second: 8:5192000 123:4336000 123456:3420000 > 12345678:3268000 123456789:2036000 2^32:2032000 2^64:1544000 > Conversions per second: 8:5164000 123:4336000 123456:3536000 > 12345678:3272000 123456789:1968000 2^32:2032000 2^64:1544000 > Tested 524288 ^C > > # ./test_new-org-with-noinline_for_stack_if-LONG_MAX_header_arm > Conversions per second: 8:5020000 123:4332000 123456:3536000 > 12345678:3272000 123456789:2828000 2^32:2260000 2^64:1536000 > Conversions per second: 8:5192000 123:4332000 123456:3416000 > 12345678:3252000 123456789:2828000 2^32:2336000 2^64:1540000 > Conversions per second: 8:5172000 123:4336000 123456:3540000 > 12345678:3272000 123456789:2736000 2^32:2336000 2^64:1536000 > Conversions per second: 8:5192000 123:4192000 123456:3520000 > 12345678:3276000 123456789:2828000 2^32:2340000 2^64:1484000 > Tested 524288 ^C
Thanks! They look good now.
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