[Beowulf] Mobos for portable use

[Douglas Eadline]

> That is related to the end Moores Law.  The shrinking of the transistor
> stopped increasing CPU speed in 2005 which brought about the release of
> multi core CPUS the fastest CPU ever release was at 4.5GHz in 2004.  The
> newer i5 and i7 are quite a bit slower per core than the single core from
> the early 2000s by almost half.  Any single threaded algorithm today will
> suffer as core counts increase and frequency decreases.  This is creating
> a very strong market for technologies like the fpga that accelerate single
> threaded logic operations.  Just look at a CPU history chart we are
> slowing down the core substantially making multithread a requirement for
> the future and yet we failing to train programmers with the skills for
> multithread.

Learn/teach Julia


--
Doug

>
> Scott
>
>
>
> Sent via the Samsung Galaxy S7, an AT&T 4G LTE smartphone
>
>
> -------- Original message --------
> From: Lukasz Salwinski <lukasz at mbi.ucla.edu>
> Date: 1/19/17 8:43 PM (GMT-06:00)
> To: beowulf at beowulf.org
> Subject: Re: [Beowulf] Mobos for portable use
>
> 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
>
>
> --
> -------------------------------------------------------------------------
>   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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-- 
Doug

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