Re: Improve CRC32C performance on SSE4.2 - Mailing list pgsql-hackers

From Tomas Vondra
Subject Re: Improve CRC32C performance on SSE4.2
Date
Msg-id e98f1e23-b05b-43e4-a3a1-0967df12ada4@vondra.me
Whole thread Raw
In response to Re: Improve CRC32C performance on SSE4.2  (Andy Fan <zhihuifan1213@163.com>)
Responses Re: Improve CRC32C performance on SSE4.2
List pgsql-hackers
Hi,

I suggest you try with a newer gcc, perhaps 13.4. There's been a bunch
of fixes related to AVX512 since 13.0, chances are this was already
fixed. I don't see this failure on 14.3.1.

T.

On 6/14/25 12:24, Andy Fan wrote:
> Hi,
> 
> Recently I always get below error during initdb.
> 
> """
> UTC [1358059] FATAL:  incorrect checksum in control file
> """
> 
> the command is "initdb -D tmp". git bisect show me the related commit is 
> 3c6e8c123896584f1be1fe69aaf68dcb5eb094d5. After revert this commit on
> the current master, everything is fine.  Does anyone knows the reason?
> 
> The attached is my config.log.
> 
> 
> 

-- 
Tomas Vondra




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