From: Joseph Myers <joseph@codesourcery.com>
To: Carlos O'Donell <carlos@redhat.com>
Cc: caiyinyu <caiyinyu@loongson.cn>, <adhemerval.zanella@linaro.org>,
<libc-alpha@sourceware.org>, <i.swmail@xen0n.name>,
<xuchenghua@loongson.cn>
Subject: Re: [PATCH 0/2] LoongArch: Add optimized functions.
Date: Mon, 15 Aug 2022 20:46:19 +0000 [thread overview]
Message-ID: <alpine.DEB.2.22.394.2208152043320.311521@digraph.polyomino.org.uk> (raw)
In-Reply-To: <f01114a6-d12a-7f8b-8106-d4ff95064027@redhat.com>
On Mon, 15 Aug 2022, Carlos O'Donell via Libc-alpha wrote:
> On 8/15/22 04:57, caiyinyu wrote:
> > Tested on LoongArch machine: gcc 13.0.0, Linux kernel 5.19.0 rc2,
> > binutils branch master 2eb132bdfb9.
>
> Could you please post microbenchmark results for these changes?
>
> How much faster are they from the generic versions?
Note that so far we haven't merged the improved generic string functions
that were posted a while back
(https://sourceware.org/legacy-ml/libc-alpha/2018-01/msg00318.html is the
version linked from https://sourceware.org/glibc/wiki/NewPorts - don't
know if it's the most recent version). So even if assembly versions are
better than the current generic string functions, they might not be better
than improved generic versions with architecture-specific implementations
of the headers to provide per-architecture tuning.
--
Joseph S. Myers
joseph@codesourcery.com
next prev parent reply other threads:[~2022-08-15 20:46 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-15 8:57 caiyinyu
2022-08-15 8:57 ` [PATCH 1/2] LoongArch: Add optimized string functions: str{chr, chrnul, cmp, ncmp} caiyinyu
2022-08-15 8:57 ` [PATCH 2/2] LoongArch: Add optimized function: memmove caiyinyu
2022-08-15 14:02 ` [PATCH 0/2] LoongArch: Add optimized functions Carlos O'Donell
2022-08-15 20:46 ` Joseph Myers [this message]
[not found] ` <ccc3c93d-07d0-ea9b-562c-aeaec8914f20@loongson.cn>
2022-09-02 9:05 ` Fwd: " dengjianbo
2022-09-02 12:27 ` Adhemerval Zanella Netto
[not found] ` <403f78f0-55d9-48cf-c62a-4a0462a76987@loongson.cn>
2022-09-19 2:03 ` dengjianbo
2022-09-19 20:16 ` Adhemerval Zanella Netto
2022-09-20 9:54 ` Xi Ruoyao
2022-09-22 18:05 ` Adhemerval Zanella Netto
2022-09-26 13:49 ` Xi Ruoyao
2022-09-28 14:22 ` Richard Henderson
2022-09-28 16:42 ` Xi Ruoyao
2022-09-28 19:18 ` Richard Henderson
2022-10-10 1:39 ` Lulu Cheng
2022-09-29 3:00 ` Lulu Cheng
2022-09-29 11:45 ` Adhemerval Zanella Netto
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