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From: Thomas Monjalon <thomas@monjalon.net>
To: Sun Yuechi <sunyuechi@iscas.ac.cn>
Cc: dev@dpdk.org, "Stanisław Kardach" <stanislaw.kardach@gmail.com>,
	"Bruce Richardson" <bruce.richardson@intel.com>
Subject: Re: [PATCH] eal/riscv: optimize memcpy for small copies under 64 bytes
Date: Tue, 02 Jun 2026 18:21:49 +0200	[thread overview]
Message-ID: <zD756IrtRq2zW5FJnS7F7g@monjalon.net> (raw)
In-Reply-To: <20251009063030.2776794-1-sunyuechi@iscas.ac.cn>

09/10/2025 08:30, Sun Yuechi:
> Improve rte_memcpy implementation on RISC-V platform for sizes under
> 64 bytes, based on the ARM implementation.
> 
> Enhanced handling for cases smaller than 64 bytes shows very significant
> performance benefits, while the impact is minimal after 64 bytes.
> 
> This optimization is disabled by default as a conservative measure,
> since future glibc versions may include similar improvements that
> could conflict with this implementation.
> 
> Use RTE_ARCH_RISCV_MEMCPY to enable this optimization.
> 
> Signed-off-by: Sun Yuechi <sunyuechi@iscas.ac.cn>

Applied, thanks.




      parent reply	other threads:[~2026-06-02 16:21 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-09  6:30 [PATCH] eal/riscv: optimize memcpy for small copies under 64 bytes Sun Yuechi
2025-10-09  8:17 ` Stephen Hemminger
2025-10-09  8:43   ` sunyuechi
2026-06-02 16:21 ` Thomas Monjalon [this message]

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