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From: "Richard W.M. Jones" <rjones@redhat.com>
To: Julia Lawall <julia.lawall@inria.fr>
Cc: cocci@inria.fr
Subject: Re: [cocci] Very long compile times on parsing_cocci/parser_cocci_menhir.ml
Date: Fri, 3 May 2024 08:31:35 +0100	[thread overview]
Message-ID: <20240503073135.GR7636@redhat.com> (raw)
In-Reply-To: <alpine.DEB.2.22.394.2405022340080.3439@hadrien>

On Thu, May 02, 2024 at 11:41:22PM +0200, Julia Lawall wrote:
> 
> 
> On Thu, 2 May 2024, Richard W.M. Jones wrote:
> 
> > On Thu, May 02, 2024 at 06:19:30PM +0100, Richard W.M. Jones wrote:
> > > FWIW this is the flamegraph.  It's not very informative, but maybe
> >
> > ... except that 86% of the entire time is taken in these two functions
> > (and stuff called from there):
> >
> > https://github.com/ocaml/ocaml/blob/e202de7439afaec4671da56b59dce240447ea174/middle_end/flambda/invariant_params.ml#L99-L108
> >
> > whatever that means.
> 
> I don't know what it means.  Do you want me to contact the OCaml people?
> Or do you want to contact them?
> 
> I made another test on another machine and still can't reproduce the
> problem.

Let me keep looking for a bit and see if I can find the root cause.

Rich.

> julia
> 
> 
> >
> > > means a bit more to people familiar with the internals of the OCaml
> > > compiler.
> > >
> > > http://oirase.annexia.org/2024-05-ocamlopt.svg
> >
> > Rich.
> >
> > --
> > Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
> > Read my programming and virtualization blog: http://rwmj.wordpress.com
> > Fedora Windows cross-compiler. Compile Windows programs, test, and
> > build Windows installers. Over 100 libraries supported.
> > http://fedoraproject.org/wiki/MinGW
> >
> >

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
virt-p2v converts physical machines to virtual machines.  Boot with a
live CD or over the network (PXE) and turn machines into KVM guests.
http://libguestfs.org/virt-v2v


  reply	other threads:[~2024-05-03  7:31 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-02  8:54 [cocci] Very long compile times on parsing_cocci/parser_cocci_menhir.ml Richard W.M. Jones
2024-05-02  9:01 ` Wolfram Sang
2024-05-02 16:16   ` Richard W.M. Jones
2024-05-02 17:40     ` Wolfram Sang
2024-05-02  9:44 ` Julia Lawall
2024-05-02 16:31   ` Richard W.M. Jones
2024-05-02 16:39     ` Julia Lawall
2024-05-02 16:49       ` Richard W.M. Jones
2024-05-02 17:02         ` Julia Lawall
2024-05-03 12:15           ` Richard W.M. Jones
2024-05-03 13:15             ` [cocci] Influence of build configuration parameter “--enable-flambda” on compilation of OCaml source files Markus Elfring
2024-05-03 15:50             ` [cocci] Very long compile times on parsing_cocci/parser_cocci_menhir.ml Julia Lawall
2024-05-03 16:43               ` Markus Elfring
2024-05-07  9:45               ` Richard W.M. Jones
2024-05-07  9:56                 ` Julia Lawall
2024-05-05  5:25             ` [cocci] Using OCaml compiler variants? Markus Elfring
2024-05-02 17:19         ` [cocci] Very long compile times on parsing_cocci/parser_cocci_menhir.ml Richard W.M. Jones
2024-05-02 17:31           ` Richard W.M. Jones
2024-05-02 21:41             ` Julia Lawall
2024-05-03  7:31               ` Richard W.M. Jones [this message]
2024-05-03  8:00                 ` Markus Elfring
2024-05-03 10:24                   ` Richard W.M. Jones
2024-05-03 10:40                     ` [cocci] Analysing software build processes Markus Elfring
2024-05-03 10:59                       ` Richard W.M. Jones
2024-05-03 11:15                         ` Markus Elfring
2024-05-02 10:18 ` [cocci] Checking compilation durations for “parser_cocci_menhir.ml” Markus Elfring

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