From: Raphael M Zinsly <rzinsly@linux.ibm.com>
To: libc-alpha@sourceware.org
Subject: Re: [PATCH] powerpc: Add optimized ilogbf128 for POWER9
Date: Tue, 22 Dec 2020 12:36:09 -0300 [thread overview]
Message-ID: <7dd34cc1-4a28-743f-72be-c27c2467822e@linux.ibm.com> (raw)
In-Reply-To: <20201222153039.17722-1-rzinsly@linux.ibm.com>
Benchtests results with and without this patch on a POWER9:
without:
"ilogbf128": {
"subnormal": {
"duration": 5.09834e+08,
"iterations": 2.8146e+07,
"max": 38.979,
"min": 2.939,
"mean": 18.1139
},
"normal": {
"duration": 4.99378e+08,
"iterations": 1.6151e+08,
"max": 16.698,
"min": 2.942,
"mean": 3.09193
}
}
with:
"ilogbf128": {
"subnormal": {
"duration": 5.09989e+08,
"iterations": 2.5978e+07,
"max": 41.027,
"min": 4.674,
"mean": 19.6316
},
"normal": {
"duration": 4.98105e+08,
"iterations": 1.77912e+08,
"max": 12.663,
"min": 2.792,
"mean": 2.79972
}
}
Best Regards,
--
Raphael Moreira Zinsly
IBM
Linux on Power Toolchain
next prev parent reply other threads:[~2020-12-22 15:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-22 15:30 Raphael Moreira Zinsly
2020-12-22 15:30 ` [PATCH 2/2] benchtests: Add ilogbf128 test Raphael Moreira Zinsly
2020-12-22 15:36 ` Raphael M Zinsly [this message]
2021-01-04 23:20 ` [PATCH] powerpc: Add optimized ilogbf128 for POWER9 Paul E Murphy
2021-01-05 18:19 ` Paul E Murphy
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=7dd34cc1-4a28-743f-72be-c27c2467822e@linux.ibm.com \
--to=rzinsly@linux.ibm.com \
--cc=libc-alpha@sourceware.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).