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RE: Parallel Make

From: twk
Subject: RE: Parallel Make
Date: Thu, 1 Apr 2004 09:23:01 -0500

> I think -j without 
> arguments should mean -j 1 or -j 2.
> Ken Smith

Three companies I worked at have routinely used
-j 2*number of CPUs, even on shared machines
(some of which had 15 CPUs).

If the -l (max load average) option works as
advertised, perhaps -j without arguments should
imply -l number-of-cpus?  That seems like it
would maximize an individual's
throughput while also adaptively dividing
up a shared build machine.

I have never tried -l, though.

Tom Kronmiller

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