[ExM Users] tasks per second in Swift/T
Justin M Wozniak
wozniak at mcs.anl.gov
Mon Oct 29 15:52:03 CDT 2012
One aspect of this is in new issue #328
http://code.google.com/p/exm-issues/issues/detail?id=328
<http://code.google.com/p/exm-issues/issues/detail?id=328&thanks=328&ts=1351543832>
On 10/29/2012 12:58 PM, Justin M Wozniak wrote:
> Hi Scott
> Yes, I can reproduce this. Apparently, performance drops off past
> 40K tasks on a single server. Some data structure must be overloaded,
> I will check on this now.
> Justin
>
> On 10/26/2012 04:14 PM, Scott Krieder wrote:
>> Hi All,
>>
>> I'm running a swift script executing 100k sleep(0) calls to the
>> builtin sleep function, wrapped in a single foreach loop. However, in
>> a best case my runtime is roughly 1200 seconds with 8 workers (plus 1
>> server, 1 engine) and 100k bound on my foreach loop. This means that
>> I am only getting ~80 task per second. I was expecting to get
>> something closer to 1000 tasks per second, what else should I be
>> doing to improve my tasks per second? I have already disabled logging
>> with the hopes that this would increase performance.
>>
>> Thanks,
>> Scott
>>
>>
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>> Exm-user at lists.mcs.anl.gov
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>
>
> --
> Justin M Wozniak
>
>
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Justin M Wozniak
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