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Parallella Community Supercomputing for Everyone 2021-03-04T01:21:09+00:00 https://parallella.org/forums/feed.php?f=32&t=4222 2021-03-04T01:21:09+00:00 2021-03-04T01:21:09+00:00 https://parallella.org/forums/viewtopic.php?t=4222&p=20176#p20176 <![CDATA[Re: Two-Parallella Cluster using eLink and Procupine]]>
Hope you are healthy and safe these COVID days...

I've had my boards (desktop hdmi w/z7010) for several years, but I'm just getting around to setting up a 4-board cluster and would prefer to use the e-links via Porcupine adapters. I've read the earlier comments concerning all the issues with compatibility between the OS and ESDK, so because it's been a while since the last posting I'm wondering:

1. is there now a more recent OS (at least 18.04) and ESDK combination that provides functional e-links? And if so, is there any rebuilding required? I'm assuming that the OS would be headless...
2. if a recent OS + ESDK combination is still unknown at the moment, what would be the next oldest releases to use? I'm assuming that the OS would be headless here too...
2. it's not a huge deal, but is it possible for an hdmi OS and appropriate ESDK to have functional e-links? And if so, what rebuilding if any is required?

I've been looking through the forum categories and all the Git repos including Supercores to get myself up to speed, but any suggestions as to how to proceed would be greatly appreciated!

Thx,
Ross

Statistics: Posted by rosslav — Thu Mar 04, 2021 1:21 am

]]> 2018-09-10T21:03:10+00:00 2018-09-10T21:03:10+00:00 https://parallella.org/forums/viewtopic.php?t=4222&p=20075#p20075 <![CDATA[Re: Two-Parallella Cluster using eLink and Procupine]]> Statistics: Posted by claudio4parallella — Mon Sep 10, 2018 9:03 pm

]]> 2018-09-10T20:56:25+00:00 2018-09-10T20:56:25+00:00 https://parallella.org/forums/viewtopic.php?t=4222&p=20074#p20074 <![CDATA[Re: Two-Parallella Cluster using eLink and Procupine]]> Statistics: Posted by claudio4parallella — Mon Sep 10, 2018 8:56 pm

]]> 2017-12-30T00:20:49+00:00 2017-12-30T00:20:49+00:00 https://parallella.org/forums/viewtopic.php?t=4222&p=19920#p19920 <![CDATA[Re: Two-Parallella Cluster using eLink and Procupine]]> Statistics: Posted by nncarlson — Sat Dec 30, 2017 12:20 am

]]> 2017-11-03T21:20:17+00:00 2017-11-03T21:20:17+00:00 https://parallella.org/forums/viewtopic.php?t=4222&p=19873#p19873 <![CDATA[Re: Two-Parallella Cluster using eLink and Procupine]]> Statistics: Posted by claudio4parallella — Fri Nov 03, 2017 9:20 pm

]]> 2017-10-13T09:43:47+00:00 2017-10-13T09:43:47+00:00 https://parallella.org/forums/viewtopic.php?t=4222&p=19864#p19864 <![CDATA[Re: Two-Parallella Cluster using eLink and Procupine]]> Proof of concept results of two eLinked Parallellas in cluster (Master-Slave)

Purpose: realize synchronization between multicores in eLink cluster with individual tasks

Lesson learned:
- core 0 of MASTER parallella must be used to read/write/synchronize all the cores in Master Epiphany and Slave Epiphany
- internal.ldf works ok, not other choice

Attachments of resulting images:
1. example of a single Parallella: the 16 cores individually are drawing a 1024 step of Y=sin(alpha) [0..2Pi]
2. example of a dual eLinked Parallellas: the 31 cores individually are drawing a 1024 step of Y=sin(2*alpha) [0..2Pi]

Next step: 4 eLinked Parallellas and 64 cores

Statistics: Posted by claudio4parallella — Fri Oct 13, 2017 9:43 am

]]> 2017-09-28T19:53:26+00:00 2017-09-28T19:53:26+00:00 https://parallella.org/forums/viewtopic.php?t=4222&p=19778#p19778 <![CDATA[Re: Two-Parallella Cluster using eLink and Procupine]]>
SLAVE showing in a loop the local 16 Cores and Registers



MASTER showing in a loop the 32 Cores output, the total of output, the core-done counters



The 32 Cores are activated in sequence: core00 when reach 10000000 activate core01 and so on...... up to core73

Statistics: Posted by claudio4parallella — Thu Sep 28, 2017 7:53 pm

]]> 2017-09-27T18:25:34+00:00 2017-09-27T18:25:34+00:00 https://parallella.org/forums/viewtopic.php?t=4222&p=19767#p19767 <![CDATA[Re: Two-Parallella Cluster using eLink and Procupine]]> UPDATE

- I've closed my open issue about interrupt, now tests work properly and I can manage them

- About my 2Parallells eLink cluster, if I have well understood: the SLAVE Parallela must run its Host and its Device core program and without this running the MASTER Parallella could not load the tasks to the SLAVE Epiphany cores..... (hope my English is clear...). No way to upload the device tasks to the SLAVE Epiphany from the MASTER Host....

Thanks for comments

Statistics: Posted by claudio4parallella — Wed Sep 27, 2017 6:25 pm

]]> 2017-09-26T14:53:03+00:00 2017-09-26T14:53:03+00:00 https://parallella.org/forums/viewtopic.php?t=4222&p=19719#p19719 <![CDATA[Re: Two-Parallella Cluster using eLink and Procupine]]> Statistics: Posted by jar — Tue Sep 26, 2017 2:53 pm

]]> 2017-09-26T10:01:46+00:00 2017-09-26T10:01:46+00:00 https://parallella.org/forums/viewtopic.php?t=4222&p=19715#p19715 <![CDATA[Re: Two-Parallella Cluster using eLink and Porcupine]]> Statistics: Posted by claudio4parallella — Tue Sep 26, 2017 10:01 am

]]> 2017-09-25T15:41:04+00:00 2017-09-25T15:41:04+00:00 https://parallella.org/forums/viewtopic.php?t=4222&p=19670#p19670 <![CDATA[Re: Two-Parallella Cluster using eLink and Procupine]]> Statistics: Posted by jar — Mon Sep 25, 2017 3:41 pm

]]> 2017-09-25T15:04:20+00:00 2017-09-25T15:04:20+00:00 https://parallella.org/forums/viewtopic.php?t=4222&p=19669#p19669 <![CDATA[Re: Two-Parallella Cluster using eLink and Procupine]]> Statistics: Posted by claudio4parallella — Mon Sep 25, 2017 3:04 pm

]]> 2017-09-25T14:50:11+00:00 2017-09-25T14:50:11+00:00 https://parallella.org/forums/viewtopic.php?t=4222&p=19668#p19668 <![CDATA[Re: Two-Parallella Cluster using eLink and Procupine]]> Statistics: Posted by jar — Mon Sep 25, 2017 2:50 pm

]]> 2017-09-25T14:10:33+00:00 2017-09-25T14:10:33+00:00 https://parallella.org/forums/viewtopic.php?t=4222&p=19667#p19667 <![CDATA[Two-Parallella Cluster using eLink and Procupine]]> Statistics: Posted by claudio4parallella — Mon Sep 25, 2017 2:10 pm

]]>