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Parallella Community Supercomputing for Everyone 2015-09-06T16:53:57+00:00 https://parallella.org/forums/feed.php?f=23&t=3188 2015-09-06T16:53:57+00:00 2015-09-06T16:53:57+00:00 https://parallella.org/forums/viewtopic.php?t=3188&p=15796#p15796 <![CDATA[Re: Network communication rate]]> Statistics: Posted by m_labbaf — Sun Sep 06, 2015 4:53 pm

]]> 2015-09-06T16:43:04+00:00 2015-09-06T16:43:04+00:00 https://parallella.org/forums/viewtopic.php?t=3188&p=15795#p15795 <![CDATA[Re: Network communication rate]]> "The cMesh network connects a mesh node to all four of its neighbors and has a maximum bidirectional
throughput of 8 bytes/cycle in each of the four routing directions. At an operating frequency of 1GHz, the cMesh network has a total throughput of more than 0.5 Terabit/sec."
but in paper titled "Programming the Adapteva Epiphany 64-core Network-on-chip Coprocessor " published in 2014 the following diagram is presented:
communication_rate.JPG
based on this report for message size below 50 byte the bandwidth is less than 90MB/s.

I want to know is there any way to make it more efficient, because I have an algorithm that need high communication rate between cores in 8 stage.

thanks

Statistics: Posted by m_labbaf — Sun Sep 06, 2015 4:43 pm

]]> 2015-09-04T19:28:38+00:00 2015-09-04T19:28:38+00:00 https://parallella.org/forums/viewtopic.php?t=3188&p=15787#p15787 <![CDATA[Network communication rate]]> I use e-get-global-address to find other core array, but ot seems that has a lot latency. How much should it be?
which points should consider when using noc in order to being efficient?

Thanks

Statistics: Posted by m_labbaf — Fri Sep 04, 2015 7:28 pm

]]>