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[Python-Dev] Parallel test execution on buildbot

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Hi all,

Has anyone considered using regrtest's -j option in the buildbot 
configuration to speed up the test runs?  Antoine Pitrou pointed out 
that even for single CPU slaves, this could be a win due to the number 
of tests that spend time sleeping or waiting on I/O.  And on slaves with 
multiple CPUs it would clearly be even better.  eg, I don't know what 
hardware is actually in the Solaris slave (bot loewis-sun), but if it 
has the full 4 UltraSPARCs that it could, then running with -j4 or -j5 
there might bring its runtime down from nearly 100 minutes to 20 or 25 - 
competitive with some of the more reasonable slaves.

Jean-Paul

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