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How to control sector cache with assembly in dgemm kernel #6

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zhuangbility111 opened this issue Nov 23, 2021 · 1 comment
Open

How to control sector cache with assembly in dgemm kernel #6

zhuangbility111 opened this issue Nov 23, 2021 · 1 comment

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@zhuangbility111
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zhuangbility111 commented Nov 23, 2021 •
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Hi! Do you utilize the sector cache in the dgemm kernel? And could you please tell me how to control the sector cache with assembly? According to the documentation, it will benefit a lot in performance when controlling the sector cache. Actually I'm making some optimizations on Fugaku, but I don't know how to control the sector cache.
@mikio-hondou
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I'm sorry for the late reply.

How to control the sector cache with assembly is described in A64FX Specification HPC Extension.
Please refer to pages 10 - 18 of the following ducument.
https://github.com/fujitsu/A64FX/blob/master/doc/A64FX_Specification_HPC_Extension_v1_EN.pdf

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@zhuangbility111 @mikio-hondou