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Re: Parrllel Testing

From: Tom Browder
Subject: Re: Parrllel Testing
Date: Tue, 12 Feb 2008 21:08:46 -0600

On Tue, Feb 12, 2008 at 7:59 PM, Ben Elliston
<address@hidden> wrote:
> > But what about 'make check' for GCC?  Does
>  >
>  >   make -j5 check
>  > use 5 subprocesses to run the testsuite?
>  No, not exactly.  It effectively controls how many languages will be
>  tested in parallel.  The parallelism is implemented for each
>  language's make check-* target, using a separate scratch testsuite/
>  subdirectory for each test run.

OK, Ben, for this layman and the bottom line:  will doing make -jN+
for a N-processor host give a theoretical  1/O(N) speed-up for the
test cycle for --enable-languages=all?



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