From: Stephen Hemminger <stephen@networkplumber.org>
To: "Morten Brørup" <mb@smartsharesystems.com>
Cc: "Honnappa Nagarahalli" <Honnappa.Nagarahalli@arm.com>,
"Konstantin Ananyev" <konstantin.v.ananyev@yandex.ru>,
<dev@dpdk.org>, "Bruce Richardson" <bruce.richardson@intel.com>,
"Jan Viktorin" <viktorin@rehivetech.com>,
"Ruifeng Wang" <Ruifeng.Wang@arm.com>,
"David Christensen" <drc@linux.vnet.ibm.com>,
"Stanislaw Kardach" <kda@semihalf.com>, "nd" <nd@arm.com>
Subject: Re: [RFC v2] non-temporal memcpy
Date: Wed, 27 Jul 2022 12:12:07 -0700 [thread overview]
Message-ID: <20220727121207.0814169b@hermes.local> (raw)
In-Reply-To: <98CBD80474FA8B44BF855DF32C47DC35D871FD@smartserver.smartshare.dk>
On Wed, 27 Jul 2022 20:49:59 +0200
Morten Brørup <mb@smartsharesystems.com> wrote:
> I'm considering rte_memcpy_nt() a performance optimized variant of memcpy(), where the performance gain is less cache pollution. Thus, silent fallback to memcpy() should suffice.
Have you looked at existing Glibc code? last time I checked it was already doing
non-temporal instructions on several architectures.
next prev parent reply other threads:[~2022-07-27 19:12 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-19 15:26 [RFC v2] non-temporal memcpy Morten Brørup
2022-07-19 18:00 ` David Christensen
2022-07-19 18:41 ` Morten Brørup
2022-07-19 18:51 ` Stanisław Kardach
2022-07-19 22:15 ` Morten Brørup
2022-07-21 23:19 ` Konstantin Ananyev
2022-07-22 10:44 ` Morten Brørup
2022-07-24 13:35 ` Konstantin Ananyev
2022-07-24 22:18 ` Morten Brørup
2022-07-29 10:00 ` Konstantin Ananyev
2022-07-29 10:46 ` Morten Brørup
2022-07-29 11:50 ` Konstantin Ananyev
2022-07-29 17:17 ` Morten Brørup
2022-07-29 22:00 ` Konstantin Ananyev
2022-07-30 9:51 ` Morten Brørup
2022-08-02 9:05 ` Konstantin Ananyev
2022-07-29 12:13 ` Konstantin Ananyev
2022-07-29 16:05 ` Stephen Hemminger
2022-07-29 17:29 ` Morten Brørup
2022-08-07 20:40 ` Mattias Rönnblom
2022-08-09 9:24 ` Morten Brørup
2022-08-09 11:53 ` Mattias Rönnblom
2022-10-09 16:16 ` Morten Brørup
2022-07-29 18:13 ` Morten Brørup
2022-07-29 19:49 ` Konstantin Ananyev
2022-07-29 20:26 ` Morten Brørup
2022-07-29 21:34 ` Konstantin Ananyev
2022-08-07 20:20 ` Mattias Rönnblom
2022-08-09 9:34 ` Morten Brørup
2022-08-09 11:56 ` Mattias Rönnblom
2022-08-10 21:05 ` Honnappa Nagarahalli
2022-08-11 11:50 ` Mattias Rönnblom
2022-08-11 16:26 ` Honnappa Nagarahalli
2022-07-25 1:17 ` Honnappa Nagarahalli
2022-07-27 10:26 ` Morten Brørup
2022-07-27 17:37 ` Honnappa Nagarahalli
2022-07-27 18:49 ` Morten Brørup
2022-07-27 19:12 ` Stephen Hemminger [this message]
2022-07-28 9:00 ` Morten Brørup
2022-07-27 19:52 ` Honnappa Nagarahalli
2022-07-27 22:02 ` Stanisław Kardach
2022-07-28 10:51 ` Morten Brørup
2022-07-29 9:21 ` Konstantin Ananyev
2022-08-07 20:25 ` Mattias Rönnblom
2022-08-09 9:46 ` Morten Brørup
2022-08-09 12:05 ` Mattias Rönnblom
2022-08-09 15:00 ` Morten Brørup
2022-08-10 11:47 ` Mattias Rönnblom
2022-08-09 15:26 ` Stephen Hemminger
2022-08-09 17:24 ` Morten Brørup
2022-08-10 11:59 ` Mattias Rönnblom
2022-08-10 12:12 ` Morten Brørup
2022-08-10 11:55 ` Mattias Rönnblom
2022-08-10 12:18 ` Morten Brørup
2022-08-10 21:20 ` Honnappa Nagarahalli
2022-08-11 11:53 ` Mattias Rönnblom
2022-08-11 22:24 ` Honnappa Nagarahalli
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