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Status Delivered
Workspace Spectrum LSF
Created by Guest
Created on May 1, 2017

RELATED IDEAS

Spectrum LSF GPU Binding

Due to the way that LSF queries information about the GPU the devices and kernel module are held open by sbatchd. This has the effect of disallowing GPU resets, changing compute mode or other similar commands. After consulting with NVIDIA and LSF support, there appears to be a way to gather the requisite information using the NVML API nstead of the CUDA API, see below:

from NVIDIA- "It looks like it is only necessary for you to initialize CUDA for cuDriverGetVersion, cuDeviceGetCount, and cuDeviceGetAttribute (CU_DEVICE_ATTRIBUTE_COMPUTE_MODE, CU_DEVICE_ATTRIBUTE_PCI_BUS_ID, CU_DEVICE_ATTRIBUTE_PCI_DEVICE_ID, CU_DEVICE_ATTRIBUTE_PCI_DOMAIN_ID). However, the list of device attributes (compute mode, pci bus id, pci device id, and pci domain id) all appear to be available using NVML through a call to nvmlDeviceGetPciInfo and the device count is returned by nvmlDeviceGetCount. In addition, the driver version is available via nvmlSystemGetDriverVersion. So, does remove the need to initialize CUDA? Or are there other cases that I am not aware of? Please let me know."

  • Guest
    Reply
    |     Aug 21, 2017

    This enhancement is included in IBM Spectrum LSF 10.1 Fix Pack 3. You can download it from Fix Central.

    Fix Central URL:
    http://www.ibm.com/support/fixcentral/swg/selectFixes?product=ibm/Other+software/IBM+Spectrum+LSF&release=All&platform=All&function=fixId&fixids=lsf-10.1.0.3-spk-2017-Jul-build459939&includeSupersedes=0

    Fix ID: lsf-10.1.0.3-spk-2017-Jul-build459939

    The following files are included in this fix pack:
    Readme_build459939.htm
    checksum.md5
    lsf10.1.0.3_fixed_bugs.pdf
    lsf10.1_linux2.6-glibc2.3-x86_64-459939.tar.Z
    lsf10.1_lnx310-lib217-ppc64le-459939.tar.Z
    lsf10.1_lnx310-lib217-x86_64-459939.tar.Z

  • Guest
    Reply
    |     May 3, 2017

    Will be address in LSF 10.1.0.3

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