[OS X TeX] OT: Mathematica and SL

[Claus Gerhardt]

Sorry, I didn't recall correctly: Under Leopard Mathematica also used 4 kernels and scored 8.43. It seems that the speed difference is all due to SL and maybe the 64-bit kernel.

Claus


=== System Information ===

Machine Name:          4-node homogeneous cluster
System:                MacOSX-x86-64
Date:                  December 6, 2008
Mathematica Version:   7.0.0
Benchmark Result:      8.43


=== MathematicaMark7 System Comparison ===

4-node homogeneous cluster      8.43
MacOSX-x86-64

2.40 GHz Intel Core2 Q6660      3.91
Microsoft Windows (64-bit)

2.33 GHz Intel Xeon E5410       3.78
Microsoft Windows (64-bit)

2.50 GHz Intel Xeon E5420       3.75
Linux x86 (64-bit)

3.0 GHz Intel Xeon 5160         2.84
Microsoft Windows (32-bit)

2.66 GHz Intel Xeon             2.14
Apple Mac OS 10.4.8 (64-bit)

1.6 GHz Intel Xeon 5310         1.88
CentOS Linux 4.4 (32-bit)

1.4 GHz Itanium 2               1.78
Red Hat Linux AS 3.0 (64-bit)

2.4 GHz Opteron 250             1.24
Sun Solaris 10 (64-bit)

2.5 GHz G5                      1.22
Apple Mac OS 10.4.8 (32-bit)

2.4 GHz Pentium 4               1.00
Microsoft Windows XP (32-bit)

(Faster systems give larger numbers)


On Nov 24, 2009, at 19:02, Claus Gerhardt wrote:

> I was wondering if Mathematica could use its multiple kernels (under my license I can use 4) in SL and ran  Mathematica's own Benchmark test.
> 
> With a single Mathematica kernel my machine (8-core Mac Pro 2.68 GHz, running a 64-bit kernel) scored 3.07 while using all 4 kernels it scored 10.00. If I recall correctly I ran the same test in Leopard, but though four Mathematica kernels were available only one had been used.
> 
> Actually there are 5 Mathematica kernels running, one is called master and the others local. Maybe the master kernel is distributing the tasks?
> 
> Let me add that while the test ran Time Machine was doing a backup.
> 
> Claus
> 
> === System Information ===
> 
> Machine Name:          4-node homogeneous cluster
> System:                MacOSX-x86-64
> Date:                  November 24, 2009
> Mathematica Version:   7.0.1
> Benchmark Result:      10.00
> 
> 
> === MathematicaMark7 System Comparison ===
> 
> 4-node homogeneous cluster      10.01
> MacOSX-x86-64
> 
> 2.40 GHz Intel Core2 Q6660      3.91
> Microsoft Windows (64-bit)
> 
> 2.33 GHz Intel Xeon E5410       3.78
> Microsoft Windows (64-bit)
> 
> 2.50 GHz Intel Xeon E5420       3.75
> Linux x86 (64-bit)
> 
> 3.0 GHz Intel Xeon 5160         2.84
> Microsoft Windows (32-bit)
> 
> 2.66 GHz Intel Xeon             2.14
> Apple Mac OS 10.4.8 (64-bit)
> 
> 1.6 GHz Intel Xeon 5310         1.88
> CentOS Linux 4.4 (32-bit)
> 
> 1.4 GHz Itanium 2               1.78
> Red Hat Linux AS 3.0 (64-bit)
> 
> 2.4 GHz Opteron 250             1.24
> Sun Solaris 10 (64-bit)
> 
> 2.5 GHz G5                      1.22
> Apple Mac OS 10.4.8 (32-bit)
> 
> 2.4 GHz Pentium 4               1.00
> Microsoft Windows XP (32-bit)
> 
> (Faster systems give larger numbers)
> 
> 
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