| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | Jelte Fennema-Nio <postgres(at)jeltef(dot)nl>, Peter Eisentraut <peter(at)eisentraut(dot)org>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, Nazir Bilal Yavuz <byavuz81(at)gmail(dot)com>, Alexander Lakhin <exclusion(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Speed up clean meson builds by ~25% |
| Date: | 2024-04-19 02:24:11 |
| Message-ID: | 2012205.1713493451@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Andres Freund <andres(at)anarazel(dot)de> writes:
> On 2024-04-17 23:10:53 -0400, Tom Lane wrote:
>> I think we should hold off on this. I found a simpler way to address
>> ecpg's problem than what I sketched upthread. I have a not-ready-to-
>> show-yet patch that allows the vast majority of ecpg's grammar
>> productions to use the default semantic action. Testing on my M1
>> Macbook with clang 16.0.6 from MacPorts, I see the compile time for
>> preproc.o in HEAD as about 1m44 sec; but with this patch, 0.6 sec.
> That's pretty amazing.
Patch posted at [1].
regards, tom lane
[1] https://www.postgresql.org/message-id/2011420.1713493114%40sss.pgh.pa.us
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