Looks good to me.

/Erik

On 2016-09-26 23:07, Christian Tornqvist wrote:

Hi everyone,

Please review this small change that enables concurrency for the Hotspot jtreg tests when running them through the make system. Testing done so far shows very promising speed ups, both when running locally and in JPRT.

It’ll automatically calculate a sane concurrency number based on the number of cores / 2 (with a maximum of 12) and then sets MaxRAMFraction=concurrency*4 to make sure we don’t run out of memory. The concurrency value can be overridden by setting TEST_JOBS to the desired concurrency value.

On Windows, this change is temporarily commented out since we run into the intermittent issue described in JDK-8159799.

Webrev:

http://cr.openjdk.java.net/~ctornqvi/webrev/8166738/webrev.00/ <http://cr.openjdk.java.net/%7Ectornqvi/webrev/8166738/webrev.00/>

Bug:

https://bugs.openjdk.java.net/browse/JDK-8166738

Thanks,

Christian


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