From: Benedikt Meurer <benedikt.meurer@googlemail.com>
To: caml-list@inria.fr
Subject: Re: [Caml-list] Linear Scan Register Allocator for ocamlopt/ocamlnat
Date: Wed, 24 Aug 2011 21:35:56 +0200 [thread overview]
Message-ID: <4EF51F29-D437-4F6F-9C91-DBEA3D4C3EB8@googlemail.com> (raw)
In-Reply-To: <CAPFanBGk8gCmVKFVh4bPZyy8LjoTf9dzVWZsNgrEut=POtM=Pw@mail.gmail.com>
On Aug 1, 2011, at 17:04 , Gabriel Scherer wrote:
> Do you have more precise measurements on
Also posting Marcell's timing results here for reference (taken from bug 5324).
> - the performance cost of this new allocator in the generated code? I
> suppose the results may vary between different architectures (eg. x86
> is probably more sensitive to good allocation decisions than x86_64).
- http://ps.informatik.uni-siegen.de/~meurer/tmp/compiletime_timings.pdf contains a comparison of the ocamlopt invocations.
- http://ps.informatik.uni-siegen.de/~meurer/tmp/runtime_timings.pdf contains comparison of the generated code.
As can be seen from the results, amd64 is more sensitive to register allocator changes than i386. Not really surprising to me. Would be interesting to see how this affects PPC/Sparc/Mips, but we don't have appropriate hardware available right now. Anyone with appropriate hardware and some spare time? :-)
Benedikt
next prev parent reply other threads:[~2011-08-24 19:36 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-01 14:53 Benedikt Meurer
2011-08-01 15:03 ` [Caml-list] " Benedikt Meurer
2011-08-01 15:04 ` [Caml-list] " Gabriel Scherer
2011-08-01 16:57 ` Benedikt Meurer
2011-08-24 19:35 ` Benedikt Meurer [this message]
2011-08-24 20:40 ` Gerd Stolpmann
2011-08-25 8:02 ` Benedikt Meurer
2011-08-25 9:34 ` Benedikt Meurer
2011-08-25 10:21 ` Gerd Stolpmann
2011-08-25 10:25 ` Pierre-Alexandre Voye
2011-08-26 10:58 ` Guillaume Yziquel
2011-08-26 12:29 ` Erik de Castro Lopo
[not found] ` <CANnJ5GfmnOhk8mJor8PfrGoC1-5vZWOgUKNZMT9k69iu0TBCeA@mail.gmail.com>
[not found] ` <CANnJ5Gf4AnKPDvrKiYx0joiPbQVOCdFWgPR24Y1ZYYL1Qv5=fg@mail.gmail.com>
2011-08-26 18:33 ` Pierre-Alexandre Voye
2011-08-30 21:07 ` Fermin Reig
2011-08-30 21:21 ` Pierre-Alexandre Voye
2011-08-25 10:43 ` Benedikt Meurer
2011-08-24 20:47 ` malc
2011-08-26 12:40 ` Roberto Di Cosmo
2011-08-01 15:29 ` Wojciech Meyer
2011-08-01 17:03 ` Benedikt Meurer
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