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[Xen-users] Re: [Xen-devel] Re: Using Xen Virtualization Environment for

To: "Mr. Teo En Ming (Zhang Enming)" <space.time.universe@xxxxxxxxx>
Subject: [Xen-users] Re: [Xen-devel] Re: Using Xen Virtualization Environment for Development and Testing of Supercomputing and High Performance Computing (HPC) Cluster MPICH2 MPI-2 Applications
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Fri, 30 Oct 2009 09:24:33 -0700
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On 10/30/09 09:14, Mr. Teo En Ming (Zhang Enming) wrote:
> Strange. I took nearly 1 hour to compile on my Intel Pentium Dual Core
> E6300 2.8 GHz processor on Intel Desktop Board DQ45CB with 8 GB
> DDR2-800 memory.

It depends a lot on how much kernel you have configured; I can believe a
full distro-like config with everything built with modules would take a
lot longer.  Are you using make's -j option to use multiple cores?  I
tend to use "make -j4" to get good processor use on a dual-core system
(rough rule of thumb, -jX where X = 2*ncpu).


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