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

From Jesper Pedersen
Subject Re: Improve CRC32C performance on SSE4.2
Date
Msg-id 029f0848-8bc2-4d99-aebd-345949f97622@gmail.com
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In response to Re: Improve CRC32C performance on SSE4.2  (Nathan Bossart <nathandbossart@gmail.com>)
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Hi Nathan,

On 6/14/25 9:56 AM, Nathan Bossart wrote:
> I'm also genuinely curious why folks are using -O0...
> 

Personally, I use

  -O0 -fno-omit-frame-pointer

for FlameGraph [1] investigations.

[1] https://github.com/brendangregg/FlameGraph

Best regards,
  Jesper

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