Re: Optimize Arm64 crc32c implementation in Postgresql

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От Heikki Linnakangas
Тема Re: Optimize Arm64 crc32c implementation in Postgresql
Дата
Msg-id 87542d83-316d-fb56-8b42-85226b9bd404@iki.fi
обсуждение исходный текст
Ответ на Re: Optimize Arm64 crc32c implementation in Postgresql  (Daniel Gustafsson <daniel@yesql.se>)
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On 03/04/18 21:56, Daniel Gustafsson wrote:
> The following line should say SSE and not SSSE (and the same typo is in
> src/include/pg_config.h.in and src/include/pg_config.h.win32).  While not
> introduced in this patch, it’s adjacent to the patched codepath and on topic so
> may well be fixed while in there.
> 
>       AC_DEFINE(USE_SSE42_CRC32C_WITH_RUNTIME_CHECK, 1, [Define to 1 to use Intel SSSE 4.2 CRC instructions with a
runtimecheck.])
 

I pushed that as a separate commit, as that goes back to 9.5. Also, I 
noticed that the description of USE_SLICING_BY_8_CRC32C was completely 
wrong, fixed that too. Thanks!

- Heikki


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