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Parallella Community Supercomputing for Everyone 2015-02-26T21:33:20+00:00 https://parallella.org/forums/feed.php?f=13&t=2150 2015-02-26T21:33:20+00:00 2015-02-26T21:33:20+00:00 https://parallella.org/forums/viewtopic.php?t=2150&p=12784#p12784 <![CDATA[Re: how to distinguish if memcpy works with 1,2,4 B]]>
I'd generally try to avoid copying memory on core, but if you do need to then just use a for loop. But make sure you have -fno-tree-loop-distribute-patterns specified to the compiler, else it will replace the loop with a memcpy, which will be slower because that executes from shared memory.

Statistics: Posted by mikebell — Thu Feb 26, 2015 9:33 pm

]]> 2015-02-26T18:08:10+00:00 2015-02-26T18:08:10+00:00 https://parallella.org/forums/viewtopic.php?t=2150&p=12782#p12782 <![CDATA[Re: how to distinguish if memcpy works with 1,2,4 B]]> Statistics: Posted by grzeskob — Thu Feb 26, 2015 6:08 pm

]]> 2015-02-23T14:29:07+00:00 2015-02-23T14:29:07+00:00 https://parallella.org/forums/viewtopic.php?t=2150&p=12753#p12753 <![CDATA[Re: how to distinguish if memcpy works with 1,2,4 B]]> Statistics: Posted by sebraa — Mon Feb 23, 2015 2:29 pm

]]> 2015-02-22T19:02:17+00:00 2015-02-22T19:02:17+00:00 https://parallella.org/forums/viewtopic.php?t=2150&p=12729#p12729 <![CDATA[Re: how to distinguish if memcpy works with 1,2,4 B]]> Statistics: Posted by aolofsson — Sun Feb 22, 2015 7:02 pm

]]> 2015-02-18T10:24:53+00:00 2015-02-18T10:24:53+00:00 https://parallella.org/forums/viewtopic.php?t=2150&p=12684#p12684 <![CDATA[how to distinguish if memcpy works with 1,2,4 B]]> Statistics: Posted by grzeskob — Wed Feb 18, 2015 10:24 am

]]>