[gmx-users] Scaling on SGI Altix 3700 Bx2

Dallas B. Warren Dallas.Warren at vcp.monash.edu.au
Mon Jul 11 00:30:08 CEST 2005


Redone the scaling on the new APAC SGI Altix 3700 Bx2
(http://nf.apac.edu.au/facilities/ac/hardware.php), 32 CPUs on a single
image node.

The system is 330,000 atom using PME.

This is using the CVS version, 3.3_beta_20050202
CPUs	Scaling	Speed (ps/hr)
1	100%		3.3
2	82%		5.3
4	73%		9.4
8	72%		18.9
16	53%		27.5
24	42%		32.9
32	41%		43.1

This is using the 3.2.1 version
CPUs	Scaling	Speed (ps/hr)
1	100%		2.3
2	82%		2.8
4	66%		6.1
8	51%		9.5
16	31%		11.6
24	21%		11.6
32	20%		14.9

Catch ya,

Dr. Dallas Warren
Lecturer
Department of Pharmaceutical Biology and Pharmacology
Victorian College of Pharmacy, Monash University
381 Royal Parade, Parkville VIC 3010
dallas.warren at vcp.monash.edu.au
+61 3 9903 9073
---------------------------------
When the only tool you own is a hammer, every problem begins to resemble
a nail.



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