Optimizing The Linux Kernel With PGO Can Yield ~3% Benefit For HPC Workloads

Posted by Scott_Ruecker on Feb 6, 2025 1:36 AM EDT
Phoronix; By Michael Larabel 		Mail this story
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While the Linux kernel itself may not be often viewed as a bottleneck to typical high performance computing (HPC) workloads, optimizing the Linux kernel with Profile Guided Optimizations (PGO) can prove worthwhile for those seeking maximum performance potential. A presentation this past weekend at FOSDEM 2025 is highlighting around a 3% performance gain for HPC software compiled with PGO enabled...

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