IBM Spectrum Computing Group

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Welcome to the IBM Spectrum Computing Group!

This group is the place to hear the latest news about IBM Spectrum LSF, IBM Spectrum Symphony and IBM Spectrum Conductor.  Connect with other users and showcase your expertise.  Our team will be posting technical blogs & how-to videos on a regular basis covering a broad range of topics focused on HPC and AI.  

This is your group and a place to share your experience and learn from other users.  We look forward to your participation in this group. 

#SpectrumComputing

  • IBM TechXchange LSF User Group

    To paraphrase Arnie, we’re back – after a COVID hiatus we’re once again holding our LSF Group at the Santa Clara Hilton on 16th May.   We hope to see you there. 

Latest Discussions

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    RE: LSF and AMD GPUs

    You are right, those parameters are now enabled by default. So I guess lshosts -gpu doesn't show anything about AMD GPU in your cluster. Probably you should reach LSF support to run debug on LSF lim service. Is there any indication in lim log ? ------------------------------ ...

  • To be on the safe side, we added the parameter to lsf.conf and restarted the cluster. Still no success! Is there any guide/documentation, what one should be aware of, when using AMD GPUs? How does LSF find them, and where does it look for it? ...

  • BTW, this 'default' behavior is also mentioned in the release notes of FixPack 13: --- Starting in IBM Spectrum LSF Version 10.1 Fix Pack 13, the default values of the following three parameters are changed to: LSF_GPU_AUTOCONFIG=Y LSB_GPU_NEW_SYNTAX=extend LSF_GPU_RESOURCE_IGNORE=Y ...

  • Thanks! We will try to add this to lsf.conf. The ROCM library is installed. BTW, the documentation about LSF_GPU_RESOURCE_IGNORE is not very clear: it says "Default: Y", which made us believe it is set to 'Y', if not present in lsf.conf - which is ...

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    RE: LSF and AMD GPUs

    Add LSF_GPU_RESOURCE_IGNORE=Y in lsf.conf then restart the cluster. Also make sure you have installed ROCM SMI library on AMD GPU node. ------------------------------ YI SUN ------------------------------

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    RE: LSF and AMD GPUs

    We run the latest fix pack (14): $ lim -V EGO 3.4.0 build 601547, April 20 2023 $ sbatchd -V IBM Spectrum LSF 10.1.0.0 build 601547, April 20 2023 binary type: linux3.10-glibc2.17-x86_64 ------------------------------ Bernd Dammann -------- ...

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