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Parallella Community Supercomputing for Everyone 2016-01-20T16:23:02+00:00 https://parallella.org/forums/feed.php?f=18&t=42 2016-01-20T16:23:02+00:00 2016-01-20T16:23:02+00:00 https://parallella.org/forums/viewtopic.php?t=42&p=16631#p16631 <![CDATA[Re: OpenCL Example and tutorial]]> Statistics: Posted by Tiago — Wed Jan 20, 2016 4:23 pm

]]> 2013-05-20T17:33:55+00:00 2013-05-20T17:33:55+00:00 https://parallella.org/forums/viewtopic.php?t=42&p=1952#p1952 <![CDATA[Re: OpenCL Example and tutorial]]>
General guidance is to make sure to follow the info in the Parallella OpenCL quickstart guide found on the download page.

If you are having trouble, the easiest/quickest way for me to help is to run the example as root, using the cldebug interface, e.g.,

cldebug -- ./my_prog.x

and send the output to the BDT support email. The output can be terribly long for a forum posting, but I try to post pertinent data when it seems to be helpful to others. The debug output is very verbose and will show what is happening.

Statistics: Posted by dar — Mon May 20, 2013 5:33 pm

]]> 2013-05-20T17:14:47+00:00 2013-05-20T17:14:47+00:00 https://parallella.org/forums/viewtopic.php?t=42&p=1951#p1951 <![CDATA[Re: OpenCL Example and tutorial]]> Statistics: Posted by Lord_Rafa — Mon May 20, 2013 5:14 pm

]]> 2013-05-17T13:33:18+00:00 2013-05-17T13:33:18+00:00 https://parallella.org/forums/viewtopic.php?t=42&p=1935#p1935 <![CDATA[Re: OpenCL Example and tutorial]]> Statistics: Posted by ysapir — Fri May 17, 2013 1:33 pm

]]> 2013-05-17T12:53:27+00:00 2013-05-17T12:53:27+00:00 https://parallella.org/forums/viewtopic.php?t=42&p=1934#p1934 <![CDATA[Re: OpenCL Example and tutorial]]> Statistics: Posted by dar — Fri May 17, 2013 12:53 pm

]]> 2013-05-15T22:41:22+00:00 2013-05-15T22:41:22+00:00 https://parallella.org/forums/viewtopic.php?t=42&p=1929#p1929 <![CDATA[Re: OpenCL Example and tutorial]]>
./out
[24603] clmesg CRITICAL: libocl.c(849): Linux mmap does not support MAP_NOSYNC, demand a work-around
_libocl_clproc_state 0xb6f6b000
[24603] clmesg WARNING: libocl.c(149): cannot read ocl.conf, using ICD fallback (/etc/OpenCL/vendors
coprthr-1.5.0-RC1 (Marathon)
[24603] clmesg info: cmdsched.c(88): cmdqx0: run
[24603] clmesg info: cmdsched.c(88): cmdqx0: run

Plotting from (-2.206667, -1.280000) to (1.206667, 1.280000)
[24603] clmesg WARNING: ../coprthr-common/ocl_program.c(215): clBuildProgram: warning: unsupported
[24603] clmesg WARNING: ../coprthr-common/ocl_program.c(275): clBuildProgram failed with err -11
Segmentation fault

Statistics: Posted by Lord_Rafa — Wed May 15, 2013 10:41 pm

]]> 2013-05-14T13:48:16+00:00 2013-05-14T13:48:16+00:00 https://parallella.org/forums/viewtopic.php?t=42&p=1907#p1907 <![CDATA[Re: OpenCL Example and tutorial]]>
You can try running with sudo. However, due to the way Ubuntu is setup this does not always work. I presently run as root to avoid all such problems. Remember this means that any paths that were required to be updated, e.g., in your .bashrc file, this must also be propagated to that of root.

Statistics: Posted by dar — Tue May 14, 2013 1:48 pm

]]> 2013-05-14T06:18:17+00:00 2013-05-14T06:18:17+00:00 https://parallella.org/forums/viewtopic.php?t=42&p=1898#p1898 <![CDATA[Re: OpenCL Example and tutorial]]> Statistics: Posted by ysapir — Tue May 14, 2013 6:18 am

]]> 2013-05-14T01:36:58+00:00 2013-05-14T01:36:58+00:00 https://parallella.org/forums/viewtopic.php?t=42&p=1896#p1896 <![CDATA[Re: OpenCL Example and tutorial]]>
I need help, I was trying to run this example but I got this error:

coprthr-1.5.0-RC1 (Marathon)
out: e_open(): mmap failure.
out: e_alloc(): mmap failure.
[15439] clmesg ERROR: device.c(257): e_alloc returned 1
[15439] clmesg info: cmdsched.c(88): cmdqx0: run
[15439] clmesg info: cmdsched.c(88): cmdqx0: run
Segmentation fault

first I compiled with clcc the opencl code to get a .o file and after I compiled and linked with gcc

Statistics: Posted by Lord_Rafa — Tue May 14, 2013 1:36 am

]]> 2012-12-22T23:37:34+00:00 2012-12-22T23:37:34+00:00 https://parallella.org/forums/viewtopic.php?t=42&p=330#p330 <![CDATA[Re: OpenCL Example and tutorial]]> Statistics: Posted by Transcendental — Sat Dec 22, 2012 11:37 pm

]]> 2012-12-22T11:43:46+00:00 2012-12-22T11:43:46+00:00 https://parallella.org/forums/viewtopic.php?t=42&p=316#p316 <![CDATA[Re: OpenCL Example and tutorial]]> Statistics: Posted by Gedece — Sat Dec 22, 2012 11:43 am

]]> 2012-12-22T04:07:50+00:00 2012-12-22T04:07:50+00:00 https://parallella.org/forums/viewtopic.php?t=42&p=313#p313 <![CDATA[Re: OpenCL Example and tutorial]]> Statistics: Posted by dar — Sat Dec 22, 2012 4:07 am

]]> 2012-12-20T09:55:35+00:00 2012-12-20T09:55:35+00:00 https://parallella.org/forums/viewtopic.php?t=42&p=278#p278 <![CDATA[Re: OpenCL Example and tutorial]]> Statistics: Posted by Dade — Thu Dec 20, 2012 9:55 am

]]> 2012-12-19T23:55:15+00:00 2012-12-19T23:55:15+00:00 https://parallella.org/forums/viewtopic.php?t=42&p=269#p269 <![CDATA[Re: OpenCL Example and tutorial]]> Statistics: Posted by dar — Wed Dec 19, 2012 11:55 pm

]]> 2012-12-18T04:41:34+00:00 2012-12-18T04:41:34+00:00 https://parallella.org/forums/viewtopic.php?t=42&p=153#p153 <![CDATA[Re: OpenCL Example and tutorial]]>
Also, there are many

Statistics: Posted by jar — Tue Dec 18, 2012 4:41 am

]]>