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Tom’s Hardware

Technology

Les Pounder

Raspberry Pi 5 patch boosts performance up to 18% via NUMA emulation — Geekbench tests reveal gains in both single and multi-threaded performance

Raspberry Pi 5 4GB Versus 8GB.

Igalia, the free software consultancy perhaps best known for its work on the Raspberry Pi's GPU, has revealed that it is investigating NUMA (Non-Uniform Memory Access) emulation for ARM64 devices. The investigations have so far yielded a potential and significant performance uplift for the Raspberry Pi 5, discussed on a Linux kernel list via a message from Tvrtko Ursulin.

The patch details were posted to the mailing list, and it appears to be around 100 lines in length. However, those 100 lines potentially have a big impact on the Raspberry Pi 5 and many other ARM64 devices.

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