[Beowulf] Mobos for portable use

Lukasz Salwinski lukasz at mbi.ucla.edu
Fri Jan 20 08:07:51 PST 2017

On 01/19/2017 09:11 PM, Lux, Jim (337C) wrote:

> On 1/19/17, 4:29 PM, "Beowulf on behalf of Lukasz Salwinski"
> <beowulf-bounces at beowulf.org on behalf of lukasz at mbi.ucla.edu> wrote:
>> On 01/19/2017 02:09 PM, Lux, Jim (337C) wrote:
>>> -----Original Message-----
>>> From: Beowulf [mailto:beowulf-bounces at beowulf.org] On Behalf Of Andrew
>>> M.A. Cater
>>> Sent: Thursday, January 19, 2017 12:49 PM
>>> To: beowulf at beowulf.org
>>> Subject: Re: [Beowulf] Mobos for portable use
>> [...]
>>> (I just found that at least a while ago, Xilinx supported clusters for
>>> some of  their design tools.. Since right now the design I'm working
>>> with takes an hour to synthesize (on a single machine), I'm going to
>>> look further - it has been a real rate limiter in the lab, because it
>>> makes the test, new design, load, test cycle a lot longer.)
>> it looks like current (vivado 16.4) synthesis program hasn't been
>> parallelized - it's strictly single threaded and so uses just one
>> core... :o/  I've recently benchmarked a few i5 & i7 workstations
>> - there seem to be very little differences (maybe 10-20%) between
>> CPUs released over last ~4-5 years :o/
>> lukasz
> yeah, on further investigation, the parallelized part is the iterative
> ³try lots of options² which isn¹t much use.
> I¹ve got the design, I don¹t need to optimize a parameter.

to my knowledge, parts of place/route use more than one core. I'm
guessing it might be because these were, from the very beginning, series
of independent MonteCarlo-like runs that were easy to parallelize.


  Lukasz Salwinski                             PHONE:        310-825-1402
  UCLA-DOE Institute                             FAX:        310-206-3914
  UCLA, Los Angeles                            EMAIL: lukasz at mbi.ucla.edu

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