Raspberry Pi 5 gets 10-15% speedup with 100 line Linux kernel patch. And what if we could save 50 megawatt-hours of power annually, just with a software patch for older Pis?I'll walk through the NUMA Emulation patch that supposedly boosts Pi 5 performance, as well as some other new performance-related developments coming down the pike!
Mentioned in this video:
- Pi 5 NUMA Emulation Patch:
- What is NUMA?
- x86 Fake Numa for CPUSets:
- Pi 1, 3 A+, 3 B+ S2Idle patch:
- Raspberry Pi 5 A2 Command Queueing thread:
- My 2019 blog post on A2 microSD cards:
- Pi 5 4GB model outperforming 8GB model:
- Overvolted Pi 5 from jonatron:
- My video on M.2 NVMe on the Pi 5:
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Contents:
00:00 - There's something off about Pi 5
01:27 - NUMA NUMA?
02:27 - The NUMA Emulation patch
04:29 - 50 MW of power savings (ish)
05:35 - microSD: A2 finally faster than A1
07:18 - Some Pis are slower than others
08:29 - Return of the Bloopers
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