Computational Cluster Programs

Hoffman2 Cluster Statistics

 

Realtime Cluster Statistics

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Monthly Cluster Statistics- March 2011

Total Compute Nodes:	654
Total Processors:	5,944
Average Wait (hours):	2.7
Maximum Wait (hours):	91.9

Summary of all Hoffman2 Jobs

serial single-core jobs:	95.04%
multi-core single node jobs:	3.77%
multiple nodes jobs:	1.19%
Total parallel jobs:	20,271
Total jobs:	408,450

Summary of all Hoffman2 Core-Hours

serial single-core hours:	444,232
multi-core single node hours:	301,634
multiple nodes hours:	900,713
Total core-hours:	1,646,579

Monthly runtime hours versus number of jobs

Hours	# of Jobs	Running Total	% of Jobs
1	333,343	333,343	81.61%
2	21,663	355,006	86.92%
3	3,709	358,715	87.82%
4	5,490	364,205	89.17%
5	5,414	369,619	90.49%
6	5,083	374,702	91.74%
7	12,109	386,811	94.70%
8	5,600	392,411	96.07%
...
24	375	407,707	99.82%

Longest running job: 332 hours

Largest job: 512 cores

Job Duration

less than 1 hour: 81.61%

1-2 hours: 5.31%

more than 2 hours: 13.08%

Express Queue vs. Non-Express Number of Jobs

<2 hours: 68.68% (express)

<2 hours: 18.23% (non-express)

Over 2 hours: 13.08% (non-express)

total number of express jobs: 280,533

total number of express hours: 19,174 hours

Core-hour Distribution

single core jobs and job arrays: 26.98%

single node multi-core parallal: 18.32%

multi-node parallel: 54.70%