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Re: [RFC][PATCH 0/2] aarch64: Add optimized ASIMD versions of sinf/cosf
- From: "Sekhar, Ashwin" <Ashwin dot Sekhar at cavium dot com>
- To: "libc-alpha at sourceware dot org" <libc-alpha at sourceware dot org>, "Sekhar, Ashwin" <Ashwin dot Sekhar at cavium dot com>, "siddhesh at gotplt dot org" <siddhesh at gotplt dot org>
- Date: Tue, 13 Jun 2017 10:33:56 +0000
- Subject: Re: [RFC][PATCH 0/2] aarch64: Add optimized ASIMD versions of sinf/cosf
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Hi Siddhesh,
> > >
> > >
> > Thank you for doing this. Please:
> >
> > 1. Explain why you chose these input values as optimization targets
> > and
> The algorithm splits the inputs into different intervals and uses
> different code paths for these different intervals. The input values
> I
> chose covers all these code paths.
>
> >
> > 2. Write a microbenchmark test for glibc
> Sure. Will share this via github.
Please find the microbenchmark code at
https://github.com/ashwinyes/glibc_microbenchmarks/blob/master/sinf/sin
f_benchmark.c
Thanks
Ashwin
>
> >