Re: Clang optimiser vs preproc.c

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Thomas Munro <thomas(dot)munro(at)gmail(dot)com>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Clang optimiser vs preproc.c
Date: 2023-12-16 02:44:48
Message-ID: 3369162.1702694688@sss.pgh.pa.us
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Thomas Munro <thomas(dot)munro(at)gmail(dot)com> writes:
> FYI, it looks like there is a big jump in CPU time to compile preproc.c at -O2:

> clang15: ~16s
> clang16: ~211s
> clang17: ~233s

What are the numbers for gram.c?

regards, tom lane

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