Message ID | 20221028034155.5580-1-quic_bjorande@quicinc.com (mailing list archive) |
---|---|
Headers | show |
Series | interconnect: osm-l3: SC8280XP L3 and DDR scaling | expand |
On Thu, Oct 27, 2022 at 10:42 PM Bjorn Andersson <quic_bjorande@quicinc.com> wrote: > > The SC8280XP currently shows depressing results in memory benchmarks. > Fix this by introducing support for the platform in the OSM (and EPSS) > L3 driver and support for the platform in the bwmon binding. > > Then add the necessary nodes and values throughout the sc8280xp and > sa8540p dtsi files to make the various devices on these platforms scale > both L3, memory bus and DDR. > > Bjorn Andersson (10): > interconnect: qcom: osm-l3: Use platform-independent node ids > interconnect: qcom: osm-l3: Squash common descriptors > interconnect: qcom: osm-l3: Add per-core EPSS L3 support > interconnect: qcom: osm-l3: Simplify osm_l3_set() > dt-bindings: interconnect: Add sm8350, sc8280xp and generic OSM L3 > compatibles > arm64: dts: qcom: Align with generic osm-l3/epss-l3 > arm64: dts: qcom: sc8280xp: Add epss_l3 node > arm64: dts: qcom: sc8280xp: Set up L3 scaling > dt-bindings: interconnect: qcom,msm8998-bwmon: Add sc8280xp bwmon > instances > arm64: dts: qcom: sc8280xp: Add bwmon instances > > .../interconnect/qcom,msm8998-bwmon.yaml | 5 + > .../bindings/interconnect/qcom,osm-l3.yaml | 22 ++- > arch/arm64/boot/dts/qcom/sa8540p.dtsi | 39 +++++ > arch/arm64/boot/dts/qcom/sc7180.dtsi | 2 +- > arch/arm64/boot/dts/qcom/sc7280.dtsi | 2 +- > arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 152 ++++++++++++++++++ > arch/arm64/boot/dts/qcom/sdm845.dtsi | 2 +- > arch/arm64/boot/dts/qcom/sm8150.dtsi | 2 +- > arch/arm64/boot/dts/qcom/sm8250.dtsi | 2 +- > drivers/interconnect/qcom/osm-l3.c | 126 ++++----------- > 10 files changed, 251 insertions(+), 103 deletions(-) > > -- > 2.37.3 > Prior to this series being applied: steev@cho:~/temp/mybw$ ./mybw 64: 21043.42MB/s 128: 22511.90MB/s 256: 23190.96MB/s 512: 23532.00MB/s 1024: 23537.36MB/s 2K: 23730.19MB/s 4K: 23307.45MB/s 8K: 23603.36MB/s 16K: 23752.39MB/s 32K: 23819.91MB/s 64K: 23871.28MB/s 128K: 23890.10MB/s 256K: 23851.90MB/s 512K: 23759.65MB/s 1024K: 15956.73MB/s 2M: 8418.88MB/s 4M: 6385.06MB/s 8M: 5959.11MB/s 16M: 5892.18MB/s 32M: 6109.78MB/s With this series applied: steev@cho:~/temp/mybw$ ./mybw 64: 21193.63MB/s 128: 22513.64MB/s 256: 23196.15MB/s 512: 23554.33MB/s 1024: 23555.31MB/s 2K: 23738.53MB/s 4K: 23310.13MB/s 8K: 23616.14MB/s 16K: 23768.47MB/s 32K: 23847.16MB/s 64K: 23881.61MB/s 128K: 23901.33MB/s 256K: 23910.21MB/s 512K: 23839.70MB/s 1024K: 23577.47MB/s 2M: 23836.08MB/s 4M: 23798.35MB/s 8M: 23759.23MB/s 16M: 22887.62MB/s 32M: 22491.87MB/s Additionally, if anyone is curious, geekbench 5.4 comparison, with this patchset applied on 6.0.5: https://browser.geekbench.com/v5/cpu/compare/18284519?baseline=18076980 This change is very welcomed :) Tested on the Lenovo Thinkpad X13s Tested-by: Steev Klimaszewski <steev@kali.org>