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From: "Yi Cao" <y.cao@cranfield.ac.uk>
Newsgroups: comp.soft-sys.matlab
Subject: Re: 64-bit : Vista vs Linux
Date: Tue, 22 Apr 2008 22:46:02 +0000 (UTC)
Organization: Cranfield University
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"Suresh " <sureshn@aps.anl.gov> wrote in message <fulolp$982
$1@fred.mathworks.com>...
> Hi Peter,
> 
> You are right about the memory being faster and that is a 
direct factor in 
> what I am doing. But still I cannot explain a factor of 2 
in speed other than 
> the fact the Linux OS handles resources much better than 
Windows.
> 
> 
> Vista Hardware:
> Dual-Core Intel? Xeon? Processor 5160 3.00 GHz 1333 MHz 
FSB 4 MB L2 
> cache EX615AV 
> Dual-Core Intel? Xeon? Processor 5160 3.00 GHz 1333 MHz 
FSB 4 MB L2 
> cache (2nd) EX616AV 
> HP 8GB (4x2GB) DDR2-667 ECC FBD RK355AV 
> HP 250GB SATA 3Gb/s NCQ 7200 (1st) EM060AV 
> 
> Linux Hardware:
> 2.33 GHz Intel Core Duo
> 8 GB DDR2-8 MHz RAM
> Hard disk same speed as well as capacity.
> Thanks.
> 
> Suresh
> 
> 
> 
> 
> 
> Peter Boettcher <boettcher@ll.mit.edu> wrote in message 
> <muyfxtd98np.fsf@G99-Boettcher.llan.ll.mit.edu>...
> > "Suresh " <sureshn@aps.anl.gov> writes:
> > 
> > > Hi Peter,
> > >
> > > Thanks for the post.
> > >
> > > The hardware details are:
> > >
> > > Vista Hardware:
> > > 2 x Intel dual core Xeon 3.0 GHZ
> > > 8 GB 667 MHz RAM
> > > Hard disk: SATA
> > >
> > > Linux hardware:
> > > 1 x Intel Core Duo 2.33 GHz
> > > 8 GB 800 MHz RAM
> > > Hard disk: SATA (similar specs)
> > 
> > The RAM speeds are probably a big deal, since you are 
doing
> > memory-intensive work.
> > 
> > For the disks, when you say similar specs, you mean 
single 7200rpm hard
> > drives on each system?  Same capacities?  This stuff 
can matter, since
> > different capacities often mean different number of 
platters in the
> > physical drive, which can change throughput to the 
media.
> > 
> > Processors, also getting there, but still not enough 
detail.  Intel has
> > called many processors "Xeon" over the years.
> > 
> > 
http://en.wikipedia.org/wiki/List_of_Intel_Xeon_microprocess
ors
> > 
> > I think you probaby have a Paxville or Tulsa core, both 
of which would
> > be based on the NetBurst architecture, which was lousy.
> > 
> > Really, the only way to track this stuff down is via 
benchmarks.
> > Benchmark the processors alone.  MATLAB bench is not 
bad for this.
> > Benchmark the disks alone.  Etc.
> > 
> > -Peter
> 
> 

How about MATLAB bench results? Do you still get a factor 
of 2 performance difference?

Yi