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From: Shuo Wang <wangshuo47@huawei.com>
To: <Wilco.Dijkstra@arm.com>, <libc-alpha@sourceware.org>
CC: <hushiyuan@huawei.com>, <liqingqing3@huawei.com>
Subject: [PATCH] aarch64: revert memcpy optimze for kunpeng to avoid
 performance degradation
Date: Fri, 22 Jan 2021 09:26:32 +0800
Message-ID: <20210122012632.12380-1-wangshuo47@huawei.com>
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	Dear Wilco,

Thanks for your reply. I will test the performance of __memcy_simd and generic on the 
latest glibc in the near future.

Best Wishes,
Shuo

>Hi Shuo,
>
>Have you tried running the GLIBC memcpy benchmarks? These should give a
>decent comparison between all the memcpy variants. It might be that the new
>__memcy_simd is better than the generic variant (these are backported to 2.28).
>
>Note that 99% of memcpies are less than 1000 bytes, so it's best to focus on small
>copy performance.
>
>Cheers,
>Wilco