PATCH: optimized expf for x86_32
Ulrich Drepper
drepper@gmail.com
Mon Apr 2 21:34:00 GMT 2012
On Mon, Apr 2, 2012 at 07:34, Dmitrieva Liubov
<liubov.dmitrieva@gmail.com> wrote:
> Istanbul, Atom, Nehalem, AVX
> Current __expf_finite: 79.20 326.29 98.05 99.05
> Current __ieee754_expf: 70.69 293.30 91.38 94.76
>
> New __expf_finite: 64.29 145.14 42.31 35.95
> New __ieee754_expf: 51.83 113.14 34.12 30.24
Why would the __expf_finite version be slower? It should be a
cut-down version. That's the whole purpose.
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