[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
>>
>>
>> _______________________________________________
>> Exm-user mailing list
>> Exm-user at lists.mcs.anl.gov
>> https://lists.mcs.anl.gov/mailman/listinfo/exm-user
>
>
> -- 
> Justin M Wozniak
>
>
> _______________________________________________
> Exm-user mailing list
> Exm-user at lists.mcs.anl.gov
> https://lists.mcs.anl.gov/mailman/listinfo/exm-user


-- 
Justin M Wozniak

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/exm-user/attachments/20121029/707a7db5/attachment.html>


More information about the Exm-user mailing list