Sunxi 6.1 / 6.2: h616 (OrangePi Zero 2): Add CPU frequency scaling - Githubissues

mdziekon / armbian-build

Armbian Linux Build Framework

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Sunxi 6.1 / 6.2: h616 (OrangePi Zero 2): Add CPU frequency scaling #2

Closed mdziekon closed 1 year ago

mdziekon commented 1 year ago

TBD

Most of the work based on this PR made for 5.19 kernel (by AGM1968): https://github.com/armbian/build/pull/5123

Benchmarks

Testing environment:

Debian Bullseye
Cooled passively using copper heatspreader
Outside of a case
Ambient temp: ~25.5℃

Test results:

Kernel 6.1
- Before: http://ix.io/4wsG
- After: http://ix.io/4wtg
Kernel 6.2
- Before: http://ix.io/4wsZ
- After: http://ix.io/4wtu

(some of the test results shown below)

test	kernel 6.1 (before)	kernel 6.1 (after)	kernel 6.2 (before)	kernel 6.2 (after)
Cpuminer	3.74	4.39	3.73	4.38
7-zip (multi)	2701	3153	2713	3154
7-zip (single)	775	1086	775	1084
memcpy	1581.5 MB/s	1697.7 MB/s	1588.3 MB/s	1671.9 MB/s
memset	5307.4 MB/s	5434.1 MB/s	5306.9 MB/s	5434.9 MB/s
OpenSSL (aes-128-cbc / 16 B)	65358.50k	91305.81k	65043.15k	91367.81k

Summary

Results are more in line with 4.9 kernel
- https://github.com/ThomasKaiser/sbc-bench/blob/master/Results.md

mdziekon commented 1 year ago

Will be superseded by https://github.com/armbian/build/pull/5247