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Workspace Spectrum LSF
Components Scheduling
Created by Guest
Created on Aug 11, 2025

RELATED IDEAS

Job packing on GPUs when MIG is enabled

When MIGs (Multi-instance GPU) are enabled on a multi-GPU server, LSF should pack jobs with smaller number of MIGs on one physical GPU to keep a room for jobs with larger number of MIGs. Currently LSF is distributing the jobs on different physical GPUs.

For example: we have a host with 2 physical GPUs and MIG is enabled in LSF configuration. When Job1 with mig=1 is submitted, it starts on GPU1. Then another job Job2 with mig=1 is submitted, it starts on GPU2. Then a third job Job3 with mig=7 is submitted, it will remain pending till Job1 or Job2 are finished.

This is an issue as resources are free and LSF is not able to schedule the job, ultimately many GPU resources (which are very very costly) are wasted.

Needed By Yesterday (Let's go already!)
  • Admin
    Bill McMillan
    Aug 11, 2025

    This makes sense. We'll add it to the backlog and will consider it in our next planning cycle.


    Reply

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