Hi Abhinav,
Here is the sourceforge repository for Chapel:
http://sourceforge.net/projects/chapel/
Thanks,
Rafa.
El 19/06/2014, a las 19:33, Abhinav Sarje <[email protected]> escribió:
> Hi Rafael,
>
> Thanks for the prompt reply. I could not find how to get access to the
> repository - I saw only the release version download. Could you please point
> me to the repo which I could checkout?
>
> Thanks,
> Abhinav.
>
>
> On Thu, Jun 19, 2014 at 1:56 AM, Rafael Asenjo Plaza <[email protected]> wrote:
> Hi Abhinav,
>
> The BulkTransferStride mod is currently working only for distributed array
> assignments, sort of A[d1]=B[d2], were A and B are block or cyclic
> distributed arrays and d1 and d2 are the considered domains. I’ve not taken a
> look at SSCA2, but I have not spotted such kind of assignments in
> trunk/test/studies/hpcc/FFT. You can find an implementation of the FFT that
> takes advantage of the bulkTransferStride here:
>
> test/optimizations/bulkcomm/asenjo/redistBlockToCyclic
>
> If you compile FFT_assignment.chpl as follows:
>
> chpl -o fft FFT_assignment.chpl -s useBulkTransferStride -s
> debugBlockDistBulkTransfer
>
> you’ll see messages like
>
> In BlockArr.doiBulkTransfer
> In BlockArr.doiBulkTransferToDR()
>
> pointing out that BulkTransferStride is in use.
>
> There is another flag, debugCyclicDistBulkTransfer, for debugging
> BulkTransferStride for cyclically distributed arrays.
>
> Probably you have already read this paper, but just in case you haven't, here
> is the link:
> Global Data Re-allocation via Communication Aggregation in Chapel
>
> Thanks,
>
> Rafa.
>
> El 18/06/2014, a las 21:57, Abhinav Sarje <[email protected]> escribió:
>
>> Hi,
>>
>> I am trying to run the benchmarks, specifically FFT (from HPCC) and SSCA2,
>> which are bundled with Chapel. I want to enable the use of strided
>> transfers, but have been unable to get any run to use them. I am using the
>> "-suseBulkTransferStride" option. The stride transfer functions are being
>> generated by the chpl compiler, as I see from the saved C code.
>> Executing the benchmarks completes successfully, but never calls these
>> strided transfer functions. I have tried with up to 16 locales. I am using
>> this with GASNet.
>> Could someone please let me know what I am missing or doing wrong? Any help
>> appreciated.
>>
>> Thanks,
>> Abhinav.
>> ------------------------------------------------------------------------------
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>
> __
> Rafael Asenjo Plaza
> Dept. Arquitectura de Computadores
> Complejo Tecnologico Campus de Teatinos
> E-29071 MALAGA (SPAIN)
> Tel: +34 95 213 27 91
> Fax: +34 95 213 27 90
> http://www.ac.uma.es/~asenjo
>
>
__
Rafael Asenjo Plaza
Dept. Arquitectura de Computadores
Complejo Tecnologico Campus de Teatinos
E-29071 MALAGA (SPAIN)
Tel: +34 95 213 27 91
Fax: +34 95 213 27 90
http://www.ac.uma.es/~asenjo
------------------------------------------------------------------------------
HPCC Systems Open Source Big Data Platform from LexisNexis Risk Solutions
Find What Matters Most in Your Big Data with HPCC Systems
Open Source. Fast. Scalable. Simple. Ideal for Dirty Data.
Leverages Graph Analysis for Fast Processing & Easy Data Exploration
http://p.sf.net/sfu/hpccsystems
_______________________________________________
Chapel-users mailing list
[email protected]
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