I would say he has, becaue AFAIK mir.math.common using LLVM intrinsics On Sat, Apr 7, 2018 at 11:53 PM, Guillaume Piolat via Digitalmars-d-learn < digitalmars-d-learn@puremagic.com> wrote:
> On Saturday, 7 April 2018 at 20:33:13 UTC, Arun Chandrasekaran wrote: > >> On Saturday, 7 April 2018 at 19:14:27 UTC, Daniel Kozak wrote: >> >>> or for ldc http://docs.algorithm.dlang.io/latest/mir_math_common.html >>> >>> On Sat, Apr 7, 2018 at 9:10 PM, Daniel Kozak <kozz...@gmail.com> wrote: >>> >>> can you try it with c math functions? >>>> >>>> instead of std.math, try to use core.stdc.math >>>> >>>> On Sat, Apr 7, 2018 at 8:53 PM, Arun Chandrasekaran via >>>> Digitalmars-d-learn <digitalmars-d-learn@puremagic.com> wrote: >>>> >>>> [...] >>>>> >>>> >> Much better with mir.math.common, still a bit slower than C (even with >> larger loops): >> >> 10^7 iterations using sigmoid1: 168 ms >> 10^7 iterations using sigmoid2: 39 ms >> >> Also LDC optimized away the computation. So I had to modify the code a >> bit. >> >> > > Have you tried LLVM intrinsics? say llvm_exp >
