[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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