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Re: Building cvs emacs on a dual-core machine

From: Chris Moore
Subject: Re: Building cvs emacs on a dual-core machine
Date: Sat, 23 Dec 2006 00:39:50 +0100
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.92 (gnu/linux)

Eli Zaretskii <address@hidden> writes:

>> From: Chris Moore <address@hidden>
>> Eli Zaretskii <address@hidden> writes:
>> > There's nothing to prevent a parallel build from compiling 2 Lisp
>> > files at the same time, is there?
>> Yes, there is, at least on GNU/Linux make isn't used to determine
>> which Lisp files to compile.
> It's true that lisp/Makefile.in doesn't give much chance to exploit
> parallelism, but it's not true that no parallelism is possible there.
> `compile', `recompile', and `cvs-update' have prerequisites that can
> be produced in parallel.

OK maybe it's possible, but it doesn't seem to happen to any
significant extent.

While compiling C code, both cores are used, and while compiling Lisp
code one of them is pretty much idle.

That's what I see, anyway.

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