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

[Matt McCormick]

Hi Brad,

Yes, it will be interesting to explore the timings.  I will see if I
can get shell access to run those tests.

Thanks,
Matt

On Thu, Apr 23, 2015 at 10:01 AM, Bradley Lowekamp
<blowekamp at mail.nih.gov> wrote:
> 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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