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From: Efraim Flashner <efraim@flashner.co.il>
To: "Ludovic Courtès" <ludo@gnu.org>
Cc: Josselin Poiret <dev@jpoiret.xyz>,
	Tobias Geerinckx-Rice <me@tobias.gr>,
	Simon Tournier <zimon.toutoune@gmail.com>,
	Mathieu Othacehe <othacehe@gnu.org>,
	Christopher Baines <mail@cbaines.net>,
	64188@debbugs.gnu.org, Ricardo Wurmus <rekado@elephly.net>
Subject: [bug#64188] [PATCH 0/8]  More package tuning
Date: Mon, 26 Jun 2023 11:34:27 +0300	[thread overview]
Message-ID: <ZJlNk5D5fG5rK-vC@3900XT> (raw)
In-Reply-To: <87352fz2m9.fsf_-_@gnu.org>

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On Sun, Jun 25, 2023 at 10:52:14PM +0200, Ludovic Courtès wrote:
> Efraim Flashner <efraim@flashner.co.il> skribis:
> 
> > * guix/transformations.scm (tuned-package)[build-system]: Don't replace
> > the build-system if inheriting from the go-build-system.
> > [arguments]: If using the go-build-system add a phase to set the
> > micro-architecture for Go.
> 
> [...]
> 
> > @@ -570,14 +571,42 @@ (define (tuned-package p micro-architecture)
> >    (package
> >      (inherit p)
> >      (build-system
> > -      (build-system-with-tuning-compiler (package-build-system p)
> > -                                         micro-architecture))
> > +      ;; The go compiler doesn't need to be wrapped.
> > +      ;; XXX: This is where we check for supported micro-architectures.
> > +      (if (eq? (build-system-name (package-build-system p))
> > +               'go)
> > +        (package-build-system p)
> > +        (build-system-with-tuning-compiler (package-build-system p)
> > +                                           micro-architecture)))
> >      (arguments
> >       ;; The machine building this package may or may not be able to run code
> >       ;; for MICRO-ARCHITECTURE.  Because of that, skip tests; they are run for
> >       ;; the "baseline" variant anyway.
> >       (substitute-keyword-arguments (package-arguments p)
> > -       ((#:tests? _ #f) #f)))
> > +       ((#:tests? _ #f) #f)
> > +       ;; We add the tuning parameter after the default GO flags are set.
> > +       ((#:phases phases '%standard-phases)
> > +        (if (eq? (build-system-name (package-build-system p))
> > +                 'go)
> > +          #~(modify-phases #$phases
> > +              (add-after 'setup-go-environment 'set-microarchitecture
> 
> Can we use the same approach as before with
> ‘build-system-with-tuning-compiler’?  That seems more robust to me and
> it’d be more consistent.

I'll look to see how to move this into
build-system-with-tuning-compiler. I think I previously got hung-up on
the tuning-compiler function which wouldn't work for go. At first glance
it looks like I could just lift-and-shift the extra phase over. I'll
just have to make sure that either it's only for the go-build-system or
occurs sometime after the setup-go-environment phase but before/after a
phase which exists in all build systems. Then it's the toss-up between
leaving it as-is and only occurring with the go-build-system or also
occurring on any tuned package which also has go code.

-- 
Efraim Flashner   <efraim@flashner.co.il>   רנשלפ םירפא
GPG key = A28B F40C 3E55 1372 662D  14F7 41AA E7DC CA3D 8351
Confidentiality cannot be guaranteed on emails sent or received unencrypted

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  reply	other threads:[~2023-06-26  8:35 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-20  7:48 [bug#64188] [PATCH 0/8] More package tuning Efraim Flashner
2023-06-20  7:51 ` [bug#64188] [PATCH 1/8] gnu: %gcc-11-x86_64-micro-architectures: Add generic options Efraim Flashner
2023-06-25 20:49   ` [bug#64188] [PATCH 0/8] More package tuning Ludovic Courtès
2023-06-20  7:51 ` [bug#64188] [PATCH 2/8] guix: cpu: Add inexact CPU matching Efraim Flashner
2023-06-20  7:51 ` [bug#64188] [PATCH 3/8] guix: cpu: Rewrite fallback for x86_64 cpu->gcc-architecture Efraim Flashner
2023-06-20  7:51 ` [bug#64188] [PATCH 4/8] guix: cpu: Refactor cpu->gcc-architecture Efraim Flashner
2023-06-20  7:51 ` [bug#64188] [PATCH 5/8] gnu: go: Add CPU tuning targets Efraim Flashner
2023-06-20  7:51 ` [bug#64188] [PATCH 6/8] transformations: Allow tuning go packages Efraim Flashner
2023-06-25 20:52   ` [bug#64188] [PATCH 0/8] More package tuning Ludovic Courtès
2023-06-26  8:34     ` Efraim Flashner [this message]
2023-07-13 15:27       ` Ludovic Courtès
2023-07-17 12:02         ` Efraim Flashner
2023-07-17 15:41           ` Ludovic Courtès
2023-07-18 11:17             ` Efraim Flashner
2023-07-19  8:39               ` Josselin Poiret via Guix-patches via
2023-08-07  7:33               ` Ludovic Courtès
2023-08-21 16:54                 ` bug#64188: " Ludovic Courtès
2023-06-20  7:51 ` [bug#64188] [PATCH 7/8] guix: cpu: Add gcc-architecture->generic-architecture mapping Efraim Flashner
2023-06-25 20:54   ` [bug#64188] [PATCH 0/8] More package tuning Ludovic Courtès
2023-06-26  8:34     ` Efraim Flashner
2023-06-20  7:51 ` [bug#64188] [PATCH 8/8] transformations: Allow autotuning for go packages Efraim Flashner
2023-06-25 20:47 ` [bug#64188] [PATCH 0/8] More package tuning Ludovic Courtès
2023-06-26  8:34   ` Efraim Flashner
2023-06-26 12:38 ` [bug#64188] [PATCH v2 0/7] " Efraim Flashner
2023-06-26 12:38   ` [bug#64188] [PATCH v2 1/7] gnu: %gcc-11-x86_64-micro-architectures: Add psabi entries Efraim Flashner
2023-06-26 12:38   ` [bug#64188] [PATCH v2 2/7] guix: cpu: Add generalized CPU matching Efraim Flashner
2023-06-26 12:38   ` [bug#64188] [PATCH v2 3/7] guix: cpu: Rewrite fallback for x86_64 cpu->gcc-architecture Efraim Flashner
2023-06-26 12:38   ` [bug#64188] [PATCH v2 4/7] guix: cpu: Refactor cpu->gcc-architecture Efraim Flashner
2023-06-26 12:38   ` [bug#64188] [PATCH v2 5/7] guix: cpu: Add gcc-architecture->micro-architecture-level mapping Efraim Flashner
2023-06-26 12:38   ` [bug#64188] [PATCH v2 6/7] gnu: go: Add CPU tuning targets Efraim Flashner
2023-06-26 12:38   ` [bug#64188] [PATCH v2 7/7] transformations: Allow tuning go packages Efraim Flashner

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