From: Catalin Marinas <catalin.marinas@arm.com>
To: Ard Biesheuvel <ardb@kernel.org>, linux-arm-kernel@lists.infradead.org
Cc: Will Deacon <will@kernel.org>, mark.rutland@arm.com
Subject: Re: [PATCH v2] arm64/xor: use EOR3 instructions when available
Date: Mon, 13 Dec 2021 19:19:03 +0000 [thread overview]
Message-ID: <163942313298.1914810.17579800618194793343.b4-ty@arm.com> (raw)
In-Reply-To: <20211213140252.2856053-1-ardb@kernel.org>
On Mon, 13 Dec 2021 15:02:52 +0100, Ard Biesheuvel wrote:
> Use the EOR3 instruction to implement xor_blocks() if the instruction is
> available, which is the case if the CPU implements the SHA-3 extension.
> This is about 20% faster on Apple M1 when using the 5-way version.
>
>
Applied to arm64 (for-next/xor-neon), thanks!
[1/1] arm64/xor: use EOR3 instructions when available
https://git.kernel.org/arm64/c/ce9ba49a2460
--
Catalin
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next prev parent reply other threads:[~2021-12-13 19:20 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-13 14:02 [PATCH v2] arm64/xor: use EOR3 instructions when available Ard Biesheuvel
2021-12-13 19:19 ` Catalin Marinas [this message]
2021-12-14 2:36 ` Nathan Chancellor
2021-12-14 2:36 ` Nathan Chancellor
2021-12-14 8:19 ` Ard Biesheuvel
2021-12-14 8:19 ` Ard Biesheuvel
2021-12-14 11:05 ` Ard Biesheuvel
2021-12-14 11:05 ` Ard Biesheuvel
2021-12-14 11:36 ` Catalin Marinas
2021-12-14 11:36 ` Catalin Marinas
2021-12-14 12:57 ` Ard Biesheuvel
2021-12-14 12:57 ` Ard Biesheuvel
2021-12-15 15:15 ` Catalin Marinas
2021-12-15 15:15 ` Catalin Marinas
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