Fixed. Cheers. On Sunday, August 6, 2017 at 12:23:57 PM UTC+10, Michael Jones wrote: > > Great. Hope it helps. I had a typo in power 0 (which is never called. > Change the return to 1.0. > > On Sat, Aug 5, 2017 at 6:50 PM <ped...@cpmech.com <javascript:>> wrote: > >> Thanks, Michael. >> >> I've created a tiny project with those files here: >> https://github.com/cpmech/go-fast-math-experiments >> >> The output of go test -run=XXX -bench=. -benchtime=10s (in the xmath >> package) is: >> BenchmarkPowStd-32 300000000 49.8 ns/op >> BenchmarkPowP-32 2000000000 8.85 ns/op >> BenchmarkPowFI-32 2000000000 6.31 ns/op >> BenchmarkPowStd10-32 100000000 237 ns/op >> BenchmarkPowP10-32 500000000 39.1 ns/op >> BenchmarkPowFI10-32 300000000 44.6 ns/op >> BenchmarkPowStd20-32 30000000 549 ns/op >> BenchmarkPowP20-32 200000000 97.4 ns/op >> BenchmarkPowFI20-32 200000000 93.8 ns/op >> BenchmarkPowStd50-32 10000000 1584 ns/op >> BenchmarkPowP50-32 50000000 304 ns/op >> BenchmarkPowFI50-32 50000000 249 ns/op >> BenchmarkPowStd100-32 5000000 3529 ns/op >> BenchmarkPowP100-32 20000000 692 ns/op >> BenchmarkPowFI100-32 30000000 522 ns/op >> BenchmarkPowStd200-32 2000000 9221 ns/op >> BenchmarkPowP200-32 10000000 1623 ns/op >> BenchmarkPowFI200-32 20000000 1124 ns/op >> >> Your table-based function (PowFI) wins overall with ~7x speedup vs mine >> (PowP) with ~5x speedup (compared to the std math which is >> non-integer-specific, so, not very fair... but OK as reference). >> >> Cheers. >> Dorival >> >> -- >> You received this message because you are subscribed to the Google Groups >> "golang-nuts" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to golang-nuts...@googlegroups.com <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > -- > Michael T. Jones > michae...@gmail.com <javascript:> >
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