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Parallella Community Supercomputing for Everyone 2014-07-29T17:56:28+00:00 https://parallella.org/forums/feed.php?f=23&t=1539 2014-07-29T17:56:28+00:00 2014-07-29T17:56:28+00:00 https://parallella.org/forums/viewtopic.php?t=1539&p=9622#p9622 <![CDATA[Re: Linux not recognizing all of the cores?]]>

The host application is responsible for loading the programs into the Epiphany cores, communicate with them and make use of the data it receives. It is compiled with the host compiler (gcc) and runs on the host (ARM).
Then, you have the Epiphany applications, which are doing the heavy lifting. They are compiled with the Epiphany compiler (e-gcc), which is part of the SDK.

You cannot take a ready-made program, compile it with the defaults and expect it to use your Epiphany (unless it is written for or specifically supports it). It might work with OpenCL, but I haven't looked at it yet. So unless your application supports Epiphany or OpenCL, you need to port it yourself first.

Statistics: Posted by sebraa — Tue Jul 29, 2014 5:56 pm

]]> 2014-07-26T13:04:23+00:00 2014-07-26T13:04:23+00:00 https://parallella.org/forums/viewtopic.php?t=1539&p=9582#p9582 <![CDATA[Re: Linux not recognizing all of the cores?]]>
- 'gcc'Build parallel version of suite with gcc
- 'gcc-serial'Build serial version of suite with gcc
- 'gcc-hooks'Build parallel version of suite with PARSEC hooks
enabled with gcc
- 'icc'Build parallel version of suite with Intel compiler
- 'gcc-pthreads' Build with pthreads parallelization (if supported)
- 'gcc-openmp' Build with OpenMP parallelization (if supported)
- 'gcc-tbb' Build with TBB parallelization (if supported)

Let's take the pthreads one for example. Let's say that I build the program using the command with the pthreads. What would be the next step to making sure that the program runs on 16 cores?

P.S (This is what I tried to do): I tried to say "parsecmgmt -a build -p fluidanimate -c gcc-pthreads" and then I said "./run.sh". The program worked fine. However, I used the erm program(https://github.com/adapteva/epiphany-ex ... r/apps/erm) to track the cores' activity and there were no changes(all the statistics stayed at 0)

Any help you guys could give me would be appreciated.

Statistics: Posted by baseballguy — Sat Jul 26, 2014 1:04 pm

]]> 2014-07-24T15:14:57+00:00 2014-07-24T15:14:57+00:00 https://parallella.org/forums/viewtopic.php?t=1539&p=9551#p9551 <![CDATA[Re: Linux not recognizing all of the cores?]]> Statistics: Posted by 9600 — Thu Jul 24, 2014 3:14 pm

]]> 2014-07-24T15:04:12+00:00 2014-07-24T15:04:12+00:00 https://parallella.org/forums/viewtopic.php?t=1539&p=9550#p9550 <![CDATA[Re: Linux not recognizing all of the cores?]]> Statistics: Posted by baseballguy — Thu Jul 24, 2014 3:04 pm

]]> 2014-07-24T14:29:12+00:00 2014-07-24T14:29:12+00:00 https://parallella.org/forums/viewtopic.php?t=1539&p=9547#p9547 <![CDATA[Re: Linux not recognizing all of the cores?]]> Statistics: Posted by 9600 — Thu Jul 24, 2014 2:29 pm

]]> 2014-07-24T13:42:07+00:00 2014-07-24T13:42:07+00:00 https://parallella.org/forums/viewtopic.php?t=1539&p=9546#p9546 <![CDATA[Re: Linux not recognizing all of the cores?]]> Statistics: Posted by baseballguy — Thu Jul 24, 2014 1:42 pm

]]> 2014-07-24T13:20:51+00:00 2014-07-24T13:20:51+00:00 https://parallella.org/forums/viewtopic.php?t=1539&p=9545#p9545 <![CDATA[Re: Linux not recognizing all of the cores?]]> Statistics: Posted by baseballguy — Thu Jul 24, 2014 1:20 pm

]]> 2014-07-23T20:05:49+00:00 2014-07-23T20:05:49+00:00 https://parallella.org/forums/viewtopic.php?t=1539&p=9529#p9529 <![CDATA[Re: Linux not recognizing all of the cores?]]> Statistics: Posted by tincman — Wed Jul 23, 2014 8:05 pm

]]> 2014-07-23T18:58:46+00:00 2014-07-23T18:58:46+00:00 https://parallella.org/forums/viewtopic.php?t=1539&p=9528#p9528 <![CDATA[Re: Linux not recognizing all of the cores?]]> Statistics: Posted by toralf — Wed Jul 23, 2014 6:58 pm

]]> 2014-07-23T18:38:49+00:00 2014-07-23T18:38:49+00:00 https://parallella.org/forums/viewtopic.php?t=1539&p=9527#p9527 <![CDATA[Linux not recognizing all of the cores?]]> Statistics: Posted by baseballguy — Wed Jul 23, 2014 6:38 pm

]]>