[Ffmpeg-devel] int vs. float: Hard Numbers
Mike Melanson
mike
Fri May 20 23:47:35 CEST 2005
Arwed von Merkatz wrote:
> First generation Athlon:
> integer_adder() (10 adds) returned 50, 22 cycles used
> float_adder() (10 adds) returned 50.000000, 11 cycles used
> integer_mult() (10 mults) returned 9765625, 34 cycles used
> float_mult() (10 mults) returned 9765625.000000, 11 cycles used
I should have written a baseline function that clocked the number of
cycles used for the rdtsc/mov ebx, eax/rdtsc sequence. I may revise the
test based on feedback from this list.
Thanks...
--
-Mike Melanson
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