From: Jonathan Wakely <jwakely@redhat.com>
To: Matthias Kretz <m.kretz@gsi.de>
Cc: gcc-patches@gcc.gnu.org, libstdc++@gcc.gnu.org
Subject: Re: [PATCH 3/8] libstdc++: More efficient masked inc-/decrement implementation
Date: Fri, 24 Feb 2023 17:12:25 +0000 [thread overview]
Message-ID: <CACb0b4m2sWBUC-WL8AL3Bt0unLT1SxJ2=d1c9SsZSfFGE6Xb8w@mail.gmail.com> (raw)
In-Reply-To: <1944554.usQuhbGJ8B@minbar>
On Thu, 23 Feb 2023 at 08:55, Matthias Kretz via Libstdc++
<libstdc++@gcc.gnu.org> wrote:
>
OK for trunk (and maybe backport later if you want to).
>
> Signed-off-by: Matthias Kretz <m.kretz@gsi.de>
>
> libstdc++-v3/ChangeLog:
>
> PR libstdc++/108856
> * include/experimental/bits/simd_builtin.h
> (_SimdImplBuiltin::_S_masked_unary): More efficient
> implementation of masked inc-/decrement for integers and floats
> without AVX2.
> * include/experimental/bits/simd_x86.h
> (_SimdImplX86::_S_masked_unary): New. Use AVX512 masked subtract
> builtins for masked inc-/decrement.
> ---
> .../include/experimental/bits/simd_builtin.h | 27 +++++++-
> .../include/experimental/bits/simd_x86.h | 68 +++++++++++++++++++
> 2 files changed, 93 insertions(+), 2 deletions(-)
>
>
> --
> ──────────────────────────────────────────────────────────────────────────
> Dr. Matthias Kretz https://mattkretz.github.io
> GSI Helmholtz Centre for Heavy Ion Research https://gsi.de
> stdₓ::simd
> ──────────────────────────────────────────────────────────────────────────
next prev parent reply other threads:[~2023-02-24 17:12 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-23 8:48 [PATCH 0/8] std::experimental::simd patchset Matthias Kretz
2023-02-23 8:49 ` [PATCH 1/8] libstdc++: Simplify three helper functions into one Matthias Kretz
2023-02-23 11:05 ` Jonathan Wakely
2023-02-23 8:49 ` [PATCH 2/8] libstdc++: Fix simd build failure on clang Matthias Kretz
2023-02-23 11:06 ` Jonathan Wakely
2023-02-23 8:49 ` [PATCH 3/8] libstdc++: More efficient masked inc-/decrement implementation Matthias Kretz
2023-02-24 17:12 ` Jonathan Wakely [this message]
2023-02-23 8:49 ` [PATCH 4/8] libstdc++: Add missing constexpr on simd shift implementation Matthias Kretz
2023-02-23 11:07 ` Jonathan Wakely
2023-02-23 11:33 ` Matthias Kretz
2023-02-23 8:49 ` [PATCH 5/8] libstdc++: Always-inline most of non-cmath fixed_size implementation Matthias Kretz
2023-02-24 17:10 ` Jonathan Wakely
2023-02-23 8:50 ` [PATCH 6/8] libstdc++: Fix formatting Matthias Kretz
2023-02-24 17:14 ` Jonathan Wakely
2023-02-24 18:44 ` Matthias Kretz
2023-02-23 8:50 ` [PATCH 7/8] libstdc++: Fix -Wsign-compare issue Matthias Kretz
2023-02-23 11:07 ` Jonathan Wakely
2023-02-23 8:50 ` [PATCH 8/8] libstdc++: Test that integral simd reductions are precise Matthias Kretz
2023-02-23 11:08 ` Jonathan Wakely
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