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Line 9: Line 9:
 
|+ Days/ns (efficiency) on Cheaha, Biowulf, and DMC
 
|+ Days/ns (efficiency) on Cheaha, Biowulf, and DMC
 
!Processors
 
!Processors
!Days/ns Cheaha
+
! Cheaha
!Days/ns Biowulf
+
! Biowulf
!Days/ns DMC
+
! DMC
 
|-
 
|-
 
|1
 
|1
|15.4054
+
|15.4054 (100%)
|18.0535
+
|18.0535 (100%)
|19.1000
+
|19.1000 (100%)
 
|-
 
|-
 
|2
 
|2
|7.7119
+
|7.7119 (99.87%)
|9.5163
+
|9.5163 (94.86%)
|9.7600
+
|9.7600 (97.84%)
 
|-
 
|-
 
|4
 
|4
|3.8933
+
|3.8933 (98.92%)
|4.9222
+
|4.9222 (91.69%)
|4.7570
+
|4.7570 (100.3%)*
 
|-
 
|-
 
|8
 
|8
|1.9653
+
|1.9653 (97.98%)
|2.5763
+
|2.5763 (87.59%)
|2.5360
+
|2.5360 (94.14%)
 
|-
 
|-
 
|16
 
|16
|0.9950
+
|0.9950 (96.76%)
|1.2658
+
|1.2658 (89.14%)
|1.3870
+
|1.3870 (86.06%)
 
|-
 
|-
 
|32
 
|32
|0.5101
+
|0.5101 (94.37%)
|0.6463
+
|0.6463 (87.29%)
|0.7438
+
|0.7438 (80.24%)
 
|-
 
|-
 
|64
 
|64
|0.2592
+
|0.2592 (92.83%)
|0.3390
+
|0.3390 (83.22%)
|0.3938
+
|0.3938 (75.78%)
 
|-
 
|-
 
|128
 
|128
|0.1360
+
|0.1360 (88.45%)
 
|NA
 
|NA
 
|NA
 
|NA
 
|-
 
|-
 
|256
 
|256
|0.0770
+
|0.0770 (78.09%)
 
|NA
 
|NA
 
|NA
 
|NA

Revision as of 09:04, 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 Cheaha Biowulf DMC
1 15.4054 (100%) 18.0535 (100%) 19.1000 (100%)
2 7.7119 (99.87%) 9.5163 (94.86%) 9.7600 (97.84%)
4 3.8933 (98.92%) 4.9222 (91.69%) 4.7570 (100.3%)*
8 1.9653 (97.98%) 2.5763 (87.59%) 2.5360 (94.14%)
16 0.9950 (96.76%) 1.2658 (89.14%) 1.3870 (86.06%)
32 0.5101 (94.37%) 0.6463 (87.29%) 0.7438 (80.24%)
64 0.2592 (92.83%) 0.3390 (83.22%) 0.3938 (75.78%)
128 0.1360 (88.45%) NA NA
256 0.0770 (78.09%) 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