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Re: [PATCH] Optimized generic expf and exp2f


On 9/5/2017 9:54 AM, Szabolcs Nagy wrote:
Based on new expf and exp2f code from
https://github.com/ARM-software/optimized-routines/

with https://sourceware.org/ml/libc-alpha/2017-08/msg01126.html
expf reciprocal-throughput: 3.3x faster
expf latency: 1.7x faster
libm.so size: -8byte data, -2140byte text
expf/exp2f worst case nearest rounding ulp error: 0.502



you mentioned x86 data.. is that based on current git after
the recent optimizations (on a cpu with fma)?


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