From mboxrd@z Thu Jan  1 00:00:00 1970
From: shak <dshaks@redhat.com>
Subject: Re: KVM: x86: increase recommended max vcpus to 160
Date: Fri, 03 Feb 2012 15:32:58 -0500
Message-ID: <4F2C447A.3060301@redhat.com>
References: <20120203142831.GA32610@amt.cnet> <1328282937.12736.10.camel@lappy> <20120203155532.GA788@amt.cnet>
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Cc: Sasha Levin <levinsasha928@gmail.com>, kvm <kvm@vger.kernel.org>,
	Douglas Shakshober <dshaks@redhat.com>
To: Marcelo Tosatti <mtosatti@redhat.com>
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On 02/03/2012 10:55 AM, Marcelo Tosatti wrote:
> On Fri, Feb 03, 2012 at 10:28:57AM -0500, Sasha Levin wrote:
>    
>> On Fri, 2012-02-03 at 12:28 -0200, Marcelo Tosatti wrote:
>>      
>>> Increase recommended max vcpus from 64 to 160 (tested internally
>>> at Red Hat).
>>>
>>> Signed-off-by: Marcelo Tosatti<mtosatti@redhat.com>
>>>        
>> Awesome!
>>
>> Would it be possible to share the benchmarks?
>>      
> Not sure. Shak?
>
>    
We have been using Linpack NxN but always hit a HW barriers even on bare 
metal

http://software.intel.com/en-us/articles/running-the-hpl-benchmark-over-intel-mpi/?wapkw=(LINPACK+MPI)
http://software.intel.com/en-us/articles/intel-math-kernel-library-linpack-download

Shak