[concurrency-interest] Hardware for testing

Ariel Weisberg ariel at weisberg.ws
Mon Jun 24 10:33:02 EDT 2013


Amazon cluster compute spot instances are reasonably priced,
reproducable, and don't suffer from noisy neighbor issues because you
get the entire machine. I don't think virtualization is as much of an
issue as multi-tenancy. It's slower, but when you aren't interacting
with disk or network it is not that much slower.


On Mon, Jun 24, 2013, at 06:38 AM, Jan Kotek wrote:
> Hi,
> I need to test parallel computations (mostly fork-join) and I am looking
> for  
> hardware to use for testing. I want many cores and mainstream
> architecture. It 
> should be affordable.
> So far I came with those options:
>  -  rent a server on AWS or similar. But virtualization could render
>  tests 
> useless. Also long-term price is not so good.
>  - buy second-hand rack server. For example HP ProLiant with 4x6 core
>  Opteron 
> is very cheap. Also old AMDs are probably best for testing since there is
> no 
> power management. 
>  - build machine from parts (2x12 core Opteron, dual socket EATX
>  motherboard). 
> This would be basically standard desktop, expandable with DDR3 memory
> modules 
> and PCIe cards. 
>  - Parallella has 64 cores ARM CPU. But it may not run Java and probably
>  has 
> strange architecture, so not rally an option for testing.
> Any comments?
> --
> Thanks
> Jan Kotek
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