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Re: indirect threading for bytecode interpreter
From: |
David Kastrup |
Subject: |
Re: indirect threading for bytecode interpreter |
Date: |
Mon, 21 Sep 2009 15:21:41 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.1.50 (gnu/linux) |
Stefan Monnier <address@hidden> writes:
>> I've profiled (using oprofile) Emacs running this a few times;
>> typical results show mark_object at 10-12% of runtime. It is
>> probably pretty easy to reproduce this with a variety of elisp
>> programs.
>
> So no matter how hard we try, we won't gain more than about 10%
> speed-up trying to optimize the GC. Doesn't sound like a great
> motivator.
The 10% occur in bursts of unresponsiveness. If such a burst is halved
in size, the total runtime improvement will not be impressive, but the
responsiveness gets quite better.
--
David Kastrup
Re: indirect threading for bytecode interpreter, Dan Nicolaescu, 2009/09/18
- Re: indirect threading for bytecode interpreter, Tom Tromey, 2009/09/18
- Re: indirect threading for bytecode interpreter, Dan Nicolaescu, 2009/09/20
- Re: indirect threading for bytecode interpreter, Tom Tromey, 2009/09/20
- Re: indirect threading for bytecode interpreter, Stefan Monnier, 2009/09/21
- Re: indirect threading for bytecode interpreter,
David Kastrup <=
- Re: indirect threading for bytecode interpreter, joakim, 2009/09/21
- Re: indirect threading for bytecode interpreter, Stefan Monnier, 2009/09/21
- Re: indirect threading for bytecode interpreter, Tom Tromey, 2009/09/21