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Parallella Community Supercomputing for Everyone 2017-06-27T07:25:18+00:00 https://parallella.org/forums/feed.php?f=23&t=4116 2017-06-27T07:25:18+00:00 2017-06-27T07:25:18+00:00 https://parallella.org/forums/viewtopic.php?t=4116&p=19340#p19340 <![CDATA[Re: Iterating host code: Parallella restarts]]> Statistics: Posted by gordon — Tue Jun 27, 2017 7:25 am

]]> 2017-06-24T09:07:26+00:00 2017-06-24T09:07:26+00:00 https://parallella.org/forums/viewtopic.php?t=4116&p=19335#p19335 <![CDATA[Re: Iterating host code: Parallella restarts]]> Statistics: Posted by sebraa — Sat Jun 24, 2017 9:07 am

]]> 2017-06-23T23:36:37+00:00 2017-06-23T23:36:37+00:00 https://parallella.org/forums/viewtopic.php?t=4116&p=19330#p19330 <![CDATA[Re: Iterating host code: Parallella restarts]]> Statistics: Posted by ninlar — Fri Jun 23, 2017 11:36 pm

]]> 2017-06-23T10:34:02+00:00 2017-06-23T10:34:02+00:00 https://parallella.org/forums/viewtopic.php?t=4116&p=19325#p19325 <![CDATA[Re: Iterating host code: Parallella restarts]]> very slow, especially if your access pattern is not optimal.

Use consecutive addresses (burst transfers): Otherwise you lose 75% throughput.
Use 64-bit accesses: Otherwise you lose 50% throughput.
Use writes: Reads incur high latency; read requests travel at 12.5% speed only; reads do not allow bursts.

The theoretical maximum throughput on the Parallella is 600 MB/s (with the Epiphany running at 600 MHz), but I know if anyone has ever achieved this. 150 MB/s are a more realistic estimate. As far as my experience goes, the internal communication speed was never an issue.

Statistics: Posted by sebraa — Fri Jun 23, 2017 10:34 am

]]> 2017-06-23T06:35:32+00:00 2017-06-23T06:35:32+00:00 https://parallella.org/forums/viewtopic.php?t=4116&p=19323#p19323 <![CDATA[Re: Iterating host code: Parallella restarts]]> Statistics: Posted by gordon — Fri Jun 23, 2017 6:35 am

]]> 2017-06-22T15:12:28+00:00 2017-06-22T15:12:28+00:00 https://parallella.org/forums/viewtopic.php?t=4116&p=19319#p19319 <![CDATA[Re: Iterating host code: Parallella restarts]]> Statistics: Posted by sebraa — Thu Jun 22, 2017 3:12 pm

]]> 2017-06-20T10:50:11+00:00 2017-06-20T10:50:11+00:00 https://parallella.org/forums/viewtopic.php?t=4116&p=19286#p19286 <![CDATA[Re: Iterating host code: Parallella restarts]]> Statistics: Posted by gordon — Tue Jun 20, 2017 10:50 am

]]> 2017-06-20T07:54:17+00:00 2017-06-20T07:54:17+00:00 https://parallella.org/forums/viewtopic.php?t=4116&p=19283#p19283 <![CDATA[Re: Iterating host code: Parallella restarts]]> Statistics: Posted by sebraa — Tue Jun 20, 2017 7:54 am

]]> 2017-06-20T05:02:35+00:00 2017-06-20T05:02:35+00:00 https://parallella.org/forums/viewtopic.php?t=4116&p=19282#p19282 <![CDATA[Re: Iterating host code: Parallella restarts]]> Statistics: Posted by gordon — Tue Jun 20, 2017 5:02 am

]]> 2017-06-19T09:58:24+00:00 2017-06-19T09:58:24+00:00 https://parallella.org/forums/viewtopic.php?t=4116&p=19280#p19280 <![CDATA[Re: Iterating host code: Parallella restarts]]> Statistics: Posted by sebraa — Mon Jun 19, 2017 9:58 am

]]> 2017-06-16T11:40:11+00:00 2017-06-16T11:40:11+00:00 https://parallella.org/forums/viewtopic.php?t=4116&p=19260#p19260 <![CDATA[Re: Iterating host code: Parallella restarts]]> Statistics: Posted by gordon — Fri Jun 16, 2017 11:40 am

]]> 2017-06-16T10:51:51+00:00 2017-06-16T10:51:51+00:00 https://parallella.org/forums/viewtopic.php?t=4116&p=19259#p19259 <![CDATA[Re: Iterating host code: Parallella restarts]]> Statistics: Posted by sebraa — Fri Jun 16, 2017 10:51 am

]]> 2017-06-16T07:13:55+00:00 2017-06-16T07:13:55+00:00 https://parallella.org/forums/viewtopic.php?t=4116&p=19256#p19256 <![CDATA[Iterating host code: Parallella restarts]]> Statistics: Posted by gordon — Fri Jun 16, 2017 7:13 am

]]>