[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: indirect threading for bytecode interpreter

From: Tom Tromey
Subject: Re: indirect threading for bytecode interpreter
Date: Mon, 21 Sep 2009 08:27:01 -0600
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux)

>>>>> "Stefan" == 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.

Stefan> So no matter how hard we try, we won't gain more than about 10% speed-up
Stefan> trying to optimize the GC.  Doesn't sound like a great motivator.

Yeah, though it does vary by workload.

re_match_2_internal is actually the top time user in my profiles, using
17-25% of the runtime.


reply via email to

[Prev in Thread] Current Thread [Next in Thread]