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cluster:91 [2010/12/16 11:05] hmeij |
cluster:91 [2010/12/31 18:10] hmeij |
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More about [[http:// | More about [[http:// | ||
- | ===== Runs ===== | + | ===== HP ===== |
- | So based on what we did with the Dell burn in, follow this [[cluster: | + | So based on what we did with the Dell burn in, follow this [[cluster: |
* N calculation: | * N calculation: | ||
Line 136: | Line 136: | ||
===== Dell ===== | ===== Dell ===== | ||
+ | Since the cluster will be shut down December 28th we have an opportunity to run Linpack on the Dell cluster. | ||
+ | * ETHERNET | ||
+ | * N calculation: | ||
+ | * NB: start with 64, then 128, try 192 ... | ||
+ | * PxQ: perfect square of 10x16=160, the number of cores we have | ||
+ | |||
+ | < | ||
+ | ============================================================================ | ||
+ | T/V N NB | ||
+ | ---------------------------------------------------------------------------- | ||
+ | WR00L2L2 | ||
+ | ---------------------------------------------------------------------------- | ||
+ | ||Ax-b||_oo / ( eps * ||A||_1 | ||
+ | ||Ax-b||_oo / ( eps * ||A||_1 | ||
+ | ||Ax-b||_oo / ( eps * ||A||_oo * ||x||_oo ) = 0.0020883 ...... PASSED | ||
+ | ============================================================================ | ||
+ | </ | ||
+ | |||
+ | |||
+ | * INFINIBAND | ||
+ | * N calculation: | ||
+ | * NB: start with 64, then 128, try 192 ... | ||
+ | * PxQ: perfect square of 10x16=160, the number of cores we have | ||
+ | |||
+ | < | ||
+ | ============================================================================ | ||
+ | T/V N NB | ||
+ | ---------------------------------------------------------------------------- | ||
+ | WR00L2L2 | ||
+ | ---------------------------------------------------------------------------- | ||
+ | ||Ax-b||_oo / ( eps * ||A||_1 | ||
+ | ||Ax-b||_oo / ( eps * ||A||_1 | ||
+ | ||Ax-b||_oo / ( eps * ||A||_oo * ||x||_oo ) = 0.0024480 ...... PASSED | ||
+ | ============================================================================ | ||
+ | </ | ||
+ | |||
+ | So a total of 2.455e+02 + 3.264e+0 or about 572 Gflops, 0.5 teraflops. | ||
+ | |||
+ | |||
+ | ===== BSS ===== | ||
+ | |||
+ | |||
+ | Since the cluster will be shut down December 28th we have an opportunity to run Linpack on the sharptail cluster. | ||
+ | |||
+ | * N calculation: | ||
+ | * NB: start with 64, then 128, try 192 ... | ||
+ | * PxQ: perfect square of 9x10=92, close to the number of cores we have. | ||
+ | |||
+ | |||
+ | Hmm, unable to make this work. My estimates are that with 92 cores and 1,126 gb of memory this cluster should be able to do 800 Gflops. | ||