[ITK-dev] [ITK] New Highly Parallel Build System, the POWER8

[Bradley Lowekamp]

Matt,

I'd love to explore the build performance of this system.

Any chance you could run clean builds of ITK on this system with 20,40,60,80,100,120,140 and 160 processes and record the timings?

I am very curious how this unique systems scales with multiple heavy weight processes, as it's design appears to be uniquely suitable to lighter weight multi-threading.

Thanks,
Brad

On Apr 22, 2015, at 11:51 PM, Matt McCormick <matt.mccormick at kitware.com> wrote:

> Hi folks,
> 
> With thanks to Chuck Atkins and FSF France, we have a new build on the
> dashboard [1] for the IBM POWER8 [2] system.  This is a PowerPC64
> system with 20 cores and 8 threads per core -- a great system where we
> can test and improve ITK parallel computing performance!
> 
> 
> To generate a test build on Gerrit, add
> 
>  request build: power8
> 
> in a review's comments.
> 
> 
> There are currently some build warnings and test failures that should
> be addressed before we will be able to use the system effectively. Any
> help here is appreciated.
> 
> Thanks,
> Matt
> 
> 
> [1] https://open.cdash.org/index.php?project=Insight&date=2015-04-22&filtercount=1&showfilters=1&field1=site/string&compare1=63&value1=gcc112
> 
> [2] https://en.wikipedia.org/wiki/POWER8
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