A Nasty Performance Regression For Some Intel Systems Wound Up In Linux 6.5 Stable

Written by Michael Larabel in Software on 13 September 2023 at 04:00 PM EDT. Page 5 of 6. 5 Comments.

Code compilation performance was also dragged lower with Linux 6.5 stable.

👁 Redis benchmark with settings of Test: GET, Parallel Connections: 50. Linux 6.4.14 was the fastest.

👁 Redis benchmark with settings of Test: LPOP, Parallel Connections: 50. Linux 6.4.14 was the fastest.

The Redis performance was dragged lower by Linux 6.5.

👁 Neural Magic DeepSparse benchmark with settings of Model: NLP Text Classification, BERT base uncased SST2, Sparse INT8, Scenario: Asynchronous Multi-Stream. Linux 6.4.14 was the fastest.

👁 Neural Magic DeepSparse benchmark with settings of Model: ResNet-50, Baseline, Scenario: Asynchronous Multi-Stream. Linux 6.4.14 was the fastest.

AI workloads like Neural Magic's DeepSparse also suffered from a regression on this Raptor Lake system with Linux 6.5.

👁 Blender benchmark with settings of Blend File: Fishy Cat, Compute: CPU-Only. Linux 6.4.14 was the fastest.

👁 OpenVINO benchmark with settings of Model: Face Detection FP16, Device: CPU. Linux 6.4.14 was the fastest.

👁 OpenVINO benchmark with settings of Model: Person Detection FP16, Device: CPU. Linux 6.4.14 was the fastest.

👁 OpenVINO benchmark with settings of Model: Vehicle Detection FP16, Device: CPU. Linux 6.4.14 was the fastest.

👁 OpenVINO benchmark with settings of Model: Machine Translation EN To DE FP16, Device: CPU. Linux 6.4.14 was the fastest.

Toss Blender and OpenVINO into the regressed group too...

👁 nginx benchmark with settings of Connections: 1000. Linux 6.4.14 was the fastest.

👁 PHPBench benchmark with settings of PHP Benchmark Suite. Linux 6.4.14 was the fastest.

Traditional LAMP software was also hurt on Linux 6.5 stable. By now you get the point though, Linux 6.5 stable as of right now is in particularly poor shape at least for this particular Intel Core i9 13900K system.

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A Nasty Performance Regression For Some Intel Systems Wound Up In Linux 6.5 Stable