HP Cluster Test Software manual Stream

Page 65

4

1000

42.60

42.61

42.61

8

1000

45.14

45.14

45.14

16

1000

42.83

42.84

42.84

32

1000

46.46

46.46

46.46

64

1000

44.62

44.63

44.62

128

1000

58.27

58.29

58.28

256

1000

61.13

61.15

61.15

512

1000

70.58

70.60

70.60

1024

1000

81.64

81.66

81.65

2048

1000

113.24

113.29

113.27

4096

1000

158.73

158.80

158.78

8192

1000

296.67

296.83

296.78

16384

1000

534.17

534.48

534.39

32768

1000

925.54

926.11

925.76

65536

640

1643.30

1644.20

1643.76

131072

320

1211.07

1211.61

1211.35

262144

160

2377.06

2379.35

2378.28

524288

80

9937.20

9945.09

9941.42

1048576

40

14141.08

14171.55

14157.80

2097152

20

23278.50

23407.60

23348.72

4194304

10

41601.71

42125.80

41887.28

Stream

This is sample output of a Stream test on a cluster of 349 nodes.

Running Memory Benchmark

 

 

 

node1: -------------------------------------------------------------

 

 

 

node1: This system uses 8 bytes per DOUBLE PRECISION word.

 

node1: -------------------------------------------------------------

 

 

 

node1: Array size = 44739242, Offset = 0

 

 

node1: Total memory required = 1024.0 MB.

 

 

node1: Each test is run 25 times, but only

 

 

node1: the *best* time for each is used.

 

 

node1: Function

Rate (MB/s)

Avg time

Min time

Max time

node1: Copy:

2679.4987

0.2566

0.2671

0.2675

node1: Scale:

2606.1366

0.2640

0.2747

0.2776

node1: Add:

3090.3320

0.3339

0.3475

0.3507

node1: Triad:

3086.9809

0.3342

0.3478

0.3488

node1: -------------------------------------------------------------

 

 

 

node1: Solution Validates

 

 

 

node1: -------------------------------------------------------------

 

 

 

node9: -------------------------------------------------------------

 

 

 

node9: This system uses 8 bytes per DOUBLE PRECISION word.

 

node9: -------------------------------------------------------------

 

 

 

node9: Array size = 44739242, Offset = 0

 

 

node9: Total memory required = 1024.0 MB.

 

 

node9: Each test is run 25 times, but only

 

 

node9: the *best* time for each is used.

 

 

node9: Function

Rate (MB/s)

Avg time

Min time

Max time

node9: Copy:

2672.2059

0.2582

0.2679

0.2714

node9: Scale:

2605.7793

0.2648

0.2747

0.2781

node9: Add:

3095.3829

0.3345

0.3469

0.3518

node9: Triad:

3093.9731

0.3348

0.3470

0.3522

node9: -------------------------------------------------------------

 

 

 

node9: Solution Validates

 

 

 

node9: -------------------------------------------------------------

 

 

 

node24: -------------------------------------------------------------

 

 

 

node24: This system uses 8 bytes per DOUBLE PRECISION word.

 

node24: -------------------------------------------------------------

 

 

 

node24: Array size = 44739242, Offset = 0

 

 

node24: Total memory required = 1024.0 MB.

 

 

node24: Each test is run 25 times, but only

 

 

node24: the *best* time for each is used.

 

 

node24: Function

Rate (MB/s)

Avg time

Min time

Max time

node24: Copy:

2662.2282

0.2587

0.2689

0.2725

node24: Scale:

2599.2867

0.2649

0.2754

0.2786

node24: Add:

3081.9215

0.3353

0.3484

0.3533

Stream 65

Image 65
Contents HP Cluster Test Administration Guide January Contents Documentation feedback Glossary Index Useful files and directories Utility commandsSample test output CT Image CT Image using a networkVarieties of Cluster Test RPM Starting Cluster Test Cluster Test GUIFiles generated by Cluster Test Running cluster testsCluster Test GUI Running cluster tests Configuration settings Running tests in a batch Using scripts to run tests Running cluster tests CrissCross Test descriptionsNodes monitoring window Monitoring tests and viewing resultsTest output window Monitoring tests and viewing results Performance analysis Test report Checking the InfiniBand fabric Cluster Test toolbar menus Cluster Test toolbar menusFiles generated by accelerator test Accelerator test GUIStarting accelerator tests Verify Running accelerator testsGPU detection Dgemm Double Precision General Matrix Multiply Test Sgemm Single Precision General Matrix Multiply TestBandWidth GPU Bandwidth Test Memory TestNvidia Linpack Cuda Accelerated Linpack Benchmark Additional software Cluster Test procedure as recommended by HPConfiguring Cluster Test when using RPM Accelerator test procedure Cluster Test procedure as recommended by HP Cluster Test procedure # checkadm Cluster Test procedure Cluster Test procedure as recommended by HP Performance monitor utility Performance monitorPerformance Monitor toolbar menu Xperf utility Firmware Summary Cluster Test toolsHardware Inventory Server health check Excluding the head node from tests Disk Scrubber Cluster Test tools Running tests in parallel An example cloned per-node directory Creating and changing per node filesAn example per-node directory Nfs NFS performance tuningDetecting new hardware TroubleshootingCluster Test Troubleshooting Guide Troubleshooting Cluster TestScope of this document Support and other resourcesIntended audience Contacting HPRelated information New and changed information in this editionDocumentation WebsitesCustomer self repair Typographic conventionsCustomer self repair Cluster Test Useful Files and Directories Useful files and directoriesAnalyze Utility commandsConrep Files generated by ibfabriccheck Inspectibfabric.pl Inspectibfabric.pl Utility commands Ipmitool Pdsh CrissCross Sample test outputSample test output Test4 Pallas Mpibyte Sample test output Stream Node24 Triad 3078.7949 3355 3488 3536 CPU Disk TestUTK LinpackPassed Passed Passed Documentation feedback CMU GlossaryIndex MPI Accelerator
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