| From: | Jelte Fennema-Nio <postgres(at)jeltef(dot)nl> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Nazir Bilal Yavuz <byavuz81(at)gmail(dot)com>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
| Subject: | Re: Speed up clean meson builds by ~25% |
| Date: | 2024-04-05 16:19:20 |
| Message-ID: | CAGECzQQdp8EG_4dJKgDP_LFz2GFrs2iEa2ee+Gom_cQVjuF7+Q@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, 5 Apr 2024 at 17:24, Andres Freund <andres(at)anarazel(dot)de> wrote:
> I recommend opening a bug report for clang, best with an already preprocessed
> input file.
> We're going to need to do something about this from our side as well, I
> suspect. The times aren't great with gcc either, even if not as bad as with
> clang.
Agreed. While not a full solution, I think this patch is still good to
address some of the pain: Waiting 10 seconds at the end of my build
with only 1 of my 10 cores doing anything.
So while this doesn't decrease CPU time spent it does decrease
wall-clock time significantly in some cases, with afaict no downsides.
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