This is the mail archive of the
libc-alpha@sourceware.org
mailing list for the glibc project.
Re: [PATCH] Optimized generic expf and exp2f
- From: Joseph Myers <joseph at codesourcery dot com>
- To: Arjan van de Ven <arjan at linux dot intel dot com>
- Cc: Szabolcs Nagy <szabolcs dot nagy at arm dot com>, GNU C Library <libc-alpha at sourceware dot org>, <nd at arm dot com>
- Date: Tue, 5 Sep 2017 20:58:23 +0000
- Subject: Re: [PATCH] Optimized generic expf and exp2f
- Authentication-results: sourceware.org; auth=none
- References: <59AED6DA.6000509@arm.com> <ec0984ff-e039-53ff-fe53-dfd8398e1cf1@linux.intel.com>
On Tue, 5 Sep 2017, Arjan van de Ven wrote:
> you mentioned x86 data.. is that based on current git after
> the recent optimizations (on a cpu with fma)?
Really you need to compare with both the fma and non-fma versions (and
compare the C version built both with and without fma, since one
possibility would be that the C version can replace the x86_64 ones but
should be built twice, with and without fma, to achieve that replacement).
--
Joseph S. Myers
joseph@codesourcery.com