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From: Alvaro Herrera <[email protected]>
To: Amonson, Paul D <[email protected]>
Cc: Nathan Bossart <[email protected]>
Cc: Tom Lane <[email protected]>
Cc: David Rowley <[email protected]>
Cc: Andres Freund <[email protected]>
Cc: Shankaran, Akash <[email protected]>
Cc: Noah Misch <[email protected]>
Cc: Matthias van de Meent <[email protected]>
Cc: [email protected] <[email protected]>
Subject: Re: Popcount optimization using AVX512
Date: Thu, 28 Mar 2024 23:10:33 +0100
Message-ID: <[email protected]> (raw)
In-Reply-To: <BL1PR11MB5304E51336123CE6F041A920DC3B2@BL1PR11MB5304.namprd11.prod.outlook.com>

On 2024-Mar-28, Amonson, Paul D wrote:

> > -----Original Message-----
> > From: Nathan Bossart <[email protected]>
> > Sent: Thursday, March 28, 2024 2:39 PM
> > To: Amonson, Paul D <[email protected]>
> > 
> > * The latest patch set from Paul Amonson appeared to support MSVC in the
> >   meson build, but not the autoconf one.  I don't have much expertise here,
> >   so the v14 patch doesn't have any autoconf/meson support for MSVC, which
> >   I thought might be okay for now.  IIUC we assume that 64-bit/MSVC builds
> >   can always compile the x86_64 popcount code, but I don't know whether
> >   that's safe for AVX512.
> 
> I also do not know how to integrate MSVC+Autoconf, the CI uses
> MSVC+Meson+Ninja so I stuck with that.

We don't do MSVC via autoconf/Make.  We used to have a special build
framework for MSVC which parsed Makefiles to produce "solution" files,
but it was removed as soon as Meson was mature enough to build.  See
commit 1301c80b2167.  If it builds with Meson, you're good.

-- 
Álvaro Herrera               48°01'N 7°57'E  —  https://www.EnterpriseDB.com/
"[PostgreSQL] is a great group; in my opinion it is THE best open source
development communities in existence anywhere."                (Lamar Owen)

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