Platform LSF and Mathematica
- To: mathgroup at smc.vnet.net
- Subject: [mg113188] Platform LSF and Mathematica
- From: Zach Bjornson <bjornson at stanford.edu>
- Date: Sun, 17 Oct 2010 06:06:36 -0400 (EDT)
Hello, hello! Does anyone have experience using Mathematica on a Platform LSF cluster? Specifically: 1. Local instances of Mathematica (on a local host) are apparently able to integrate with LSF clusters via the Cluster Integration configuration panel in Parallel Kernel Configuration. There is virtually no documentation for this though. Methods? (I have to use a client like cygwin to ssh from Windows into this cluster, which adds another layer of complexity.) 2. GridMathematica isn't running on this cluster [yet] so I'm stuck using LSF. I can reserve an entire machine (8 cores) with bsub -x, but dispatch takes forever and I'm limited to 8 kernels. How does Mathematica handle jobs that are instead dispatched with e.g. bsub -n 8 (so there would be slots on 1 to 8 different machines)? Where the kernels sit seems to be an issue: for example, if I submit a job with bsub [-n 1 implied], then LaunchKernels[] in Mathematica, 8 kernels launch representing the 8 kernels on the machine that my job slot is on, even though I only reserved 1 slot; if I bsub -n 2 -R "span[hosts=2]" (have each slot on a different host), will I get 16 kernels that M can communicate with? Any advice related to M on LSF would be greatly appreciated! Thanks, Zach