Re: 64-bit : Vista vs Linux

Hi Yi,

Actually the benchmark shows that the 2 machines should be
very similar.

Suresh


"Yi Cao" <y.cao@xxxxxxxxxxxxxxx> wrote in message
<fulpra$k3f$1@xxxxxxxxxxxxxxxxxx>...
"Suresh " <sureshn@xxxxxxxxxxx> wrote in message <fulolp$982
$1@xxxxxxxxxxxxxxxxxx>...
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@xxxxxxxxxx> wrote in message
<muyfxtd98np.fsf@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx>...
"Suresh " <sureshn@xxxxxxxxxxx> 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

.

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