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From: Tim Rentsch <tr.17687@z991.linuxsc.com>
Newsgroups: comp.lang.c
Subject: Re: Suggested method for returning a string from a C program?
Date: Thu, 27 Mar 2025 10:54:16 -0700
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scott@slp53.sl.home (Scott Lurndal) writes:

> [...]  I have one
> source file that takes almost 7 minutes to compile
> when using -O3 on a very-high-end xeon box.  Mostly
> buried in the overall compile time when using parallel
> make.
>
> The code could be restructured to compile in a few seconds;
> but that would require substantial changes to the rest
> of the codebase.   Compiling with -O0 for development
> testing reduces the compile time to a few seconds.

How long does it take compiling with -O1?