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Scaling to higher processor count- Calculation for scaling
 
Scaling to higher processor count- Calculation for scaling
  
== Sample Benchmark comparing Days/ns for Cheaha, Biowulf, and DMC using InfiniBand==
+
== Sample Benchmark using NAMD ==
  
===Table===
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===Sample Benchmark comparing Days/ns for Cheaha, Biowulf, and DMC using InfiniBand===
 
{| border="1" align="center" style="text-align:center;"
 
{| border="1" align="center" style="text-align:center;"
 
|+ Days/ns (efficiency) on Cheaha, Biowulf, and DMC
 
|+ Days/ns (efficiency) on Cheaha, Biowulf, and DMC

Revision as of 08:44, 26 May 2011

Benchmark introduction Calculation of efficiency Scaling to higher processor count- Calculation for scaling

Contents

Sample Benchmark using NAMD

Sample Benchmark comparing Days/ns for Cheaha, Biowulf, and DMC using InfiniBand

Days/ns (efficiency) on Cheaha, Biowulf, and DMC
Processors Days/ns Cheaha Days/ns Biowulf Days/ns DMC
1 15.4054 18.0535 19.1000
2 7.7119 9.5163 9.7600
4 3.8933 4.9222 4.7570
8 1.9653 2.5763 2.5360
16 0.9950 1.2658 1.3870
32 0.5101 0.6463 0.7438
64 0.2592 0.3390 0.3938
128 0.1360 NA NA
256 0.0770 NA NA

NAMD benchmark img1 Days cheaha dmc biowulf.png


Graph's

Efficiency

Bench mark notes

Comparison of Ethernet and IB

Comparison on different nodes on Cheaha Gen 2 and Gen 3 with IB

Actual job benchmarks (Segrest job)

Perform Your Own Benchmarks