On 4/3/13 6:03 PM, Ehsan Akhgari wrote:
A while ago I filed bug 813742 about parallelizing reftests and
crashtests. I believe that there should be no huge technical challenges
in doing this. It mostly needs somebody to commit to work on it.
Since that bug has received very little attention so far, I thought I'd
mention it here and ask for help. Is there anybody interested in
picking it up and working on it?
To attach some numbers to the importance of this, in that set of builds
I posted in the other thread about an hour ago, reftests accounted for
68,535,661 seconds and crashtests accounted for 15,195,143. The sum of
all times in that sample was 486,014,956s. Reftests and crashtests
accounted for 14.1% and 3.1% of the total times of builds, respectively.
These are non-trivial percentages. Any gains in wall clock efficiency
would net huge wins for automation capacity.
While I'm here, mochitests and xpcshell tests consume 37% and 7%,
respectively.
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