Subject: single-precision "expf" super slow on x86-64??

Paul Pluzhnikov
Sun Apr 29 05:07:00 GMT 2012

On Sat, Apr 28, 2012 at 10:00 PM, Miles Bader <> wrote:
> Hi, I've run into the following very odd behavior:
> On my debian x86-64 system, the single-precision "expf" function seems
> to be about six times _slower_ than the double-precision "exp"
> function!

This has very likely been fixed by;a=commitdiff;h=39adf059fccb7333f61a488d73172b0d8aa2d580

Paul Pluzhnikov

More information about the Libc-help mailing list