** Changed in: linux-intel-iotg (Ubuntu)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/2021525
Title:
[iotg][ADL-P] gpu performance patches
Status in linux-intel-iotg package in Ubuntu:
Fix Released
Status in linux-intel-iotg source package in Jammy:
Fix Released
Bug description:
This is a public version of https://bugs.launchpad.net/bugs/2018575
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Description
When testing Ubuntu 22.04 with 5.15 iotg kernel for ADL-P platform, we
discovered that GPU performance when running oneapi application is
about 7X slower when compare to kernel 5.19.
The current 5.15 iotg kernel missing the patches to boost GPU
frequency. This affects ADL platform. Attached patches fix the issue.
./matrix_multiply
Running on device: Intel(R) Graphics [0x46a6]
Success!
GFlops: 3.29845
Once the kernel is patched:
./matrix_multiply
Running on device: Intel(R) Graphics [0x46a6]
Success!
GFlops: 47.5939
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