Homebrew RELEASE sys-clk under/overclocking sysmodule

TotalJustice · Feb 15, 2019

pokeparadox said:
I'm wanting to use the RAM and GPU overcooking with RetroArch. Do I just set a preset for the title I use to launch homebrew. Do I need to specify a cpu overcook since RA already does this?

Yes, just set the title ID that you use to launch RA. No need to chnage the cpu as retroarch already does that as you said (you can check if the cpu clock has changed in retroarch by checking the logs).

Cencil · Feb 15, 2019

Kubas_inko said:
Gonna post it here too.:

So, from my super professional testing with Korok forest in Zelda BOTW.
1. Game loads faster with default CPU clock (weird).
2. Negligible if any difference in the forest with CPU only overclock
3. Negligible if any difference with GPU and CPU overclock.(edited)

Also, the switch does not seem to heat up (fan not spinning up) while in the forest with then overclocks, so it seems like they are not being used at all. (Compared to my lovely monopoly, where the fan rumps up as soon as the board loads while having a noticeable difference in performance)

Does anyone have an idea what is going on?

Haha first game/place I tested as well.

Same result. No real difference even with max OC's and plugged in. Still laggy in that area.

Trice · Feb 15, 2019

Cencil said:
Haha first game/place I tested as well.

Same result. No real difference even with max OC's and plugged in. Still laggy in that area.

Did you overclock the RAM as well? The performance problems at Korok Forest are purely RAM related as someone mentioned earlier already. CPU and GPU won't help in this case.

Techjunky90 · Feb 15, 2019

There's a video on here some where that shows the difference in Zelda, overclocking the ram fixes the issues.

bad361 · Feb 15, 2019

Techjunky90 said:
There's a video on here some where that shows the difference in Zelda, overclocking the ram fixes the issues.

yeah, it does https://twitter.com/m4xwdev/status/1085628051281625088?s=20

but it still lags while docked

Kubas_inko · Feb 15, 2019

Techjunky90 said:
There's a video on here some where that shows the difference in Zelda, overclocking the ram fixes the issues.

bad361 said:
yeah, it does https://twitter.com/m4xwdev/status/1085628051281625088?s=20

but it still lags while docked

Because you can't go over 1600mhz even when docked (apparently).

KuranKu · Feb 15, 2019

m4xw said:
View attachment 157877
sys-clk
a per-title CPU, GPU and RAM overclock and underclock sysmodule for Atmosphère
By @p-sam @m4xw and @natinusala

After weeks of testing, the RetroNX Team is proud to finally release sys-clk, a system-wide overclock and underclock sysmodule, as a public beta (version beta3).

Key features:

Automatic overclock and underclock depending on the running title and docked state

Reads presets for titles from the SD card

Hot reload allows you to change your preset while the game is running with sys-ftpd

Presets database for a quick and easy overclock on popular games

How does it work?

The sysmodule overclocks and underclocks the CPU, GPU and RAM of the console depending on the title currently running and docked state.
When you run a game, sys-clk will read its preset it and automatically overclock (or underclock) the system for you.

All frequencies can be set for both docked and handleld mode, making 6 values per preset :

CPU (capped at 1683MHz)

GPU (capped at 460MHz without a charger, clocks up to 768MHz require a charger, clocks higher than 768MHz require the official charger)

RAM (capped at 1600MHz)

As you can see, we added safety measures and chose the limits to ensure that overclocking cannot damage your console.

How do I use it?

Installation is pretty straightforward - just copy the config and atmosphere folders at the root of your SD card and reboot your console.
The sysmodule will be active and running out of the box.

To create a new preset, just edit /config/sys-clk/config.ini on your SD card and add it following this template:

Code:

[Application Title ID] docked_cpu= docked_gpu= docked_mem= handheld_cpu= handheld_gpu= handheld_mem=

The README contains the frequencies tables as well as examples for Breath of the Wild overclock and Picross underclock.

Note: If you're using ReiNX, you need to rename the atmosphere folder to ReiNX and move out the boot2.flag file next to exefs.nsp

Didn't you mention a presets database?

I sure did! For your convenience, we setup a repository where curated presets and examples can be downloaded. So far, 18 games have been added to the database.
You can find it here: https://github.com/retronx-team/sys-clk-db

If you want to contribute to the database, just submit a pull request on the repository, or join us on the RetroNX Discord server, channel #oc-perf-submissions

Give me a link already!

Code, releases and more documentation can be found on the GitHub repository here: https://github.com/retronx-team/sys-clk

Planned features

Split the config into multiple files (for a drag-and-drop presets installation)

A homebrew frontend to manage presets, and database integration to download them directly from the Switch

Charging clock profiles

┴┬┴┤( ͡° ͜ʖ├┬┴┬

Its sure a very usefull module ....thanks for that !

Deathscreton · Feb 15, 2019

Super excited about using this. Can't wait till the DB grows and adds update functionality within the Switch. Top notch shit!

Links2586 · Feb 15, 2019

This is epic. Excited to see the db grow

Mat37 · Feb 16, 2019

Is it really safe ? I pushed everything max for a test and the fan was spinning like hell in Torna after 3 minutes ^^ Surely don't push everything max for an extended period of time. I guess the console will shut down if it becomes too hot tho

m4xw · Feb 16, 2019

Mat37 said:
Is it really safe ? I pushed everything max for a test and the fan was spinning like hell in Torna after 3 minutes ^^ Surely don't push everything max for an extended period of time. I guess the console will shut down if it becomes too hot tho

The Fan goes crazy on high clocks + handheld because nintendo doesn't want it to feel warm to the touch.
I still don't recommend > docked clocks for long periods.

jammybudga777 · Feb 16, 2019

Surely in the long term all this overclocking is causing damage? Sorry if it sounds negative

Krude · Feb 16, 2019

How intense is Hollow Knight? Would it be possible to underclock HK for more battery life?

Rahkeesh · Feb 16, 2019

Switch is very conservative with heat, the main issue is the battery if anything. You will run it out fast and a few people have reported battery bulging after extensive overclocking. At least you can replace the battery and backplate if it comes to it.

m4xw · Feb 16, 2019

Rahkeesh said:
Switch is very conservative with heat, the main issue is the battery if anything. You will run it out fast and a few people have reported battery bulging after extensive overclocking. At least you can replace the battery and backplate if it comes to it.

"few people"? No.
There is exactly 1 case and Beware never even confirmed it by opening the switch (also that was back with lakka which had no proper fan control back then and full shield clocks)
Also it ran continously for *weeks* straight.
It's still absolutely a concern.

GamingAori · Feb 16, 2019

m4xw said:
The Fan goes crazy on high clocks + handheld because nintendo doesn't want it to feel warm to the touch.
I still don't recommend > docked clocks for long periods.

View attachment 158024

The switch clocks down automatically or turns off when it gets to hot correct? And why don't you recommend docked clocks? Shouldn't that be safe aswell? Or because of potential battery damage?

Mat37 · Feb 16, 2019

m4xw said:
The Fan goes crazy on high clocks + handheld because nintendo doesn't want it to feel warm to the touch.
I still don't recommend > docked clocks for long periods.

View attachment 158024

Even in docked mode you don't recommend higher clocks ?

Kubas_inko · Feb 16, 2019

Mat37 said:
Even in docked mode you don't recommend higher clocks ?

It has worse airflow in docked mode.

m4xw · Feb 16, 2019

GamingAori said:
the switch clocks down automatically or turns off when it gets to hot correct

correct

GamingAori said:
And why don't you recommend docked clocks? Shouldn't that be safe aswell? Or because of potential battery damage?

"> docked clocks" means greater/bigger than docked clocks.

Mat37 said:
Even in docked mode you don't recommend higher clocks ?

Correct. However it's up to the consumer.

--------------------- MERGED ---------------------------

Kubas_inko said:
It has worse airflow in docked mode.

Airflow is not a concern. The fan will suck so much air in, it won't even matter.

Mat37 · Feb 16, 2019

I was thinking of slightly OCing in docked mode for walkthrough in some games but i guess i'll keep normal clocks

Homebrew RELEASE sys-clk under/overclocking sysmodule

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