SWDEV-537865 - Don't return zero for platforms with only a single CU #625
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This can occur on platforms that operates in WGP (work group processor) mode in which the CUs are grouped in pairs so there are effectively half as many multiprocessing units.
…evelop/gnifAMD_hip-tests/SWDEV-537865
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ammallya
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Nov 17, 2025
…625) Increased the AMDSMI_MAX_DEVICES to 64 to accomodate all devices in CPX mode. The link type has been modified in amd-smi to match with rocm-smi types, updated the same for drm tests. --------- Signed-off-by: Bindhiya Kanangot Balakrishnan <[email protected]>
ammallya
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Nov 18, 2025
…625) Increased the AMDSMI_MAX_DEVICES to 64 to accomodate all devices in CPX mode. The link type has been modified in amd-smi to match with rocm-smi types, updated the same for drm tests. --------- Signed-off-by: Bindhiya Kanangot Balakrishnan <[email protected]> [ROCm/amdsmi commit: 6715c5a]
ammallya
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Nov 21, 2025
…625) Increased the AMDSMI_MAX_DEVICES to 64 to accomodate all devices in CPX mode. The link type has been modified in amd-smi to match with rocm-smi types, updated the same for drm tests. --------- Signed-off-by: Bindhiya Kanangot Balakrishnan <[email protected]> [ROCm/amdsmi commit: 6715c5a]
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This can occur on platforms that operates in WGP (work group processor) mode in which the CUs are grouped in pairs so there are effectively half as many multiprocessing units.
Associated JIRA ticket number/Github issue number
Fixes SWDEV-537865
What type of PR is this? (check all applicable)
What were the changes?
Clamp the results from
GenerateThreadDimensions,GenerateBlockDimensions,GenerateThreadDimensionsForShuffleandGenerateBlockDimensionsForShuffleto prevent invalid zero values whenmultiProcessorCountreturns 1.Why are these changes needed?
Fixes divide by zero errors and invalid parameter errors.
Updated CHANGELOG?
Added/Updated documentation?
Additional Checks
🔁 Imported from ROCm/hip-tests#477
🧑💻 Originally authored by @gnifAMD