Known Behavior - Issues Due to BIOS Settings - Known Behavior - Issues Due to BIOS Settings - 57368

uProf User Guide

Document ID
57368
Release Date
2025-06-09
Revision
5.1 English

Following is the known behavior of L2 Hit/Miss from HWPF metrics based on the BIOS settings:

  • AMDuProfPcm L2 Hit/Miss from HWPF metric doesn't collect any data when all following options are disabled in BIOS:
    • L1 Stream HW Prefetcher
    • L1 Stride Prefetcher
    • L1 Region Prefetcher
    • L2 Stream HW Prefetcher
    • L2 up/Down Prefetcher
  • AMDuProfPcm L2 Hit/Miss from HWPF metric collects very less samples with the following BIOS settings:
    • L1 Stream HW Prefetcher: Disable
    • L1 Stride Prefetcher: Disable
    • L1 Region Prefetcher: Enable
    • L2 Stream HW Prefetcher: Disable
    • L2 up/Down Prefetcher: Disable

Roofline plots generated using AMDuProfModelling.py and saved as PDF might have improperly aligned labels for the plot lines.