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Serfrosts Cemu Setup Guide: Difference between revisions
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{{cot|1=AMD Ryzen CPU | {{cot|1=AMD Ryzen CPU Simultaneous Multithreading - (Look into the tool Ryzen Master)|left=yes}} | ||
Ryzen Master is a tool that may be used, paired with a Ryzen CPU. Whether or not this will help your performance is mainly determined by which Ryzen CPU you have and your amount of RAM / quality of RAM. | Ryzen Master is a tool that may be used, paired with a Ryzen CPU. Whether or not this will help your performance is mainly determined by which Ryzen CPU you have and your amount of RAM / quality of RAM. | ||
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{{cot|1=AMD GPU owners trying OpenGL, use Linux (+20~50% Performance)|left=yes}} | {{cot|1=AMD GPU owners trying OpenGL, use Linux - (+20~50% Performance)|left=yes}} | ||
== '''AMD Users + Linux (Better Performance)''' == | == '''AMD Users + Linux (Better Performance)''' == | ||
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== '''Laptops & Desktops - Undervolting''' == | == '''Laptops & Desktops - Undervolting''' == | ||
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== '''Laptops & Desktops - Disable CPU Parking''' == | == '''Laptops & Desktops - Disable CPU Parking''' == | ||
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== '''Laptops - Disable BD PROCHOT''' == | == '''Laptops - Disable BD PROCHOT''' == |
Revision as of 21:39, 29 December 2019
Consider reading all of the sections to get a good understanding.
If you're able to do that, any game that is known to perform well should be of little difficulty to run, as long as you have capable hardware.
A large chunk of games will not behave correctly and will be covered by each game's page on the Compatibility List which is linked below.
Last Edit: December 28th, 2019 Public Releases: 1.16.X Patreon Releases: 1.16.X Cemu Patreon: https://www.patreon.com/cemu Cemuhook: v0.5.7.3 is the current compatible version. Breath of the Wild - Game Update v1.5.0 is recommended for full compatibility. Game Update from 1.4.0 / 1.4.1 / 1.5.0 is REQUIRED or you will fail to boot (additionally, no FPS++ or graphicPack compatibility.) Lacking Update causes "Wii U System Update Required" or freezing at "Open your eyes..." and being stuck at 20 to 30FPS, max. |
Hey, Serfrost here. I manage the Cemu Subreddit and this Guide. |
Vulkan vs OpenGL?
Vulkan or OpenGL, which is better? | ||||||
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I'll try to make this explanation short and sweet, keep in mind this is all subject to change with time.
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F.A.Q.
FAQ - Frequent Cemu Problems & Zelda Issues | |||||||||||||||||||||||||||||||||||||||||||||||
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Cemu Questions:
Cemu Problems:
Breath of the Wild Questions:
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Recommended Settings
Cemuhook [Required] | |
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REQUIRED FOR FPS++, TEXT, and VIDEOS Download Cemuhook by Rajkosto from: https://sshnuke.net/cemuhook/ Extract When opening Cemu, make sure to download your Shared Fonts.
These are REQUIRED for various titles to function correctly, such as Mario Kart 8, Super Smash Bros. Wii U, Mario Tennis: Ultra Smash, and Super Mario Maker; along with other titles!
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Cemu's Properties Settings |
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Cemu's Properties Settings
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GPU Settings | |||||||
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CEMU Settings | ||||||||||||||||
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Requirements
Prerequisites |
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Prerequisites
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CPU | ||
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CPUAny CPU will work, technically, but non-Ryzen AMD CPUs typically lack Single-Thread processing power; non-Ryzen AMD CPUs may struggle heavily with more demanding Wii U titles. It is suggested AMD CPU users keep better quality RAM installed (DDR4 3200Mhz recommended,) using more than 1 RAM stick, as emulators are particularly RAM intensive.
You can check out Darkemaster's AMD FX Compatibility Video list for Cemu 1.12.0 [Here] and for 1.15.3~1.15.8 [Here] Single Thread IPC and Overclocking are the most important factors for how well CEMU will perform on your PC!
I wouldn't recommend going under a score of ( 1,800 ) if you plan to play Breath of the Wild at 1080p 30FPS (Native Wii U Framerate) Experimental Multi-Core Recompiler Info
This experimental setting allows extra cores to be utilized for PPC CPU emulation instead of 1, however not many games actually utilize multiple PPC cores and currently causes stability issues/crashes or offers no benefit for most titles.
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RAM | |
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RAMWe recommend at least 8GB RAM for most games, but preferably 16GB+. If you run out of RAM and have a very slow SATA HDD, you are either likely to stutter relentlessly in-game or you may possibly have Crashes. Solid State Drives (SSD) are a boon to users with lesser amounts of RAM, as your PC will push data to the PageFile on your SSD if you set it to do so. They are much faster than SATA drives and therefore less likely to become unstable and crash with lesser amounts of RAM.
It is recommended to have a pagefile on an SSD or the fastest drive available, and to leave pagefile size as Alternatively, some users suggest to have a custom size of .5 times your physical RAM as |
GPU | |||
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GPUNVIDIA GPUs are recommended; they can take some strain off of your CPU and have better performance through threaded optimization/OGL multi-threading when under heavy CPU workloads. AMD GPUs perform great for all but the heaviest of games, their performance is HIGHLY dependent on your CPU processing capabilities. This may all change with Vulkan implementation in the future.
Intel Integrated Graphics (iGPUs) are not officially supported but have decent compatibility.
GPU power and available VRAM is not very important unless you want to increase your game's internal resolution or reaching higher FPS limitiations. If you lose noticeable performance when playing at a higher resolution it means you are GPU/VRAM limited and your graphics card/VRAM amount is not sufficient to maintain said resolution without a performance loss. It is possible to be GPU/VRAM limited at native resolution with weaker/1GB-2GB GPUs and iGPUs, to determine if you are throttling when under these conditions, lower your game's resolution and see if performance improves.
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Installing & Updating CEMU
Setup |
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SetupFirst Installation: Download CEMU from http://cemu.info/ and extract the .ZIP to a folder in one of these locations: Recommended: SSD Storage a. ) Desktop b. ) Your C:\ Drive Root c. ) An alternative internal storage drive. d. ) An external storage device. Note: Not recommended unless USB 3.0 or 3.1; depending on the device, it may have slow data read/write speeds. However, even with slower read/write speeds (if you have a full ShaderCache) this should not hinder your performance! Do NOT put it in your Program Files or other system directories, CEMU will lack permission to write saves, shadercache, and other info!
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Updating |
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UpdatingAs of Cemu 1.15.10, you can now use the [ Help > Check for Updates ] option to update Cemu. If you're on this version or newer, you can ignore the rest. Optionally, you may enable checking for updates automatically in Options > General Settings. You simply download the new update and extract the .zip'd files over your older Cemu version. That's all you have to do presently, to update Cemu. If you're upgrading from a version before 1.15.1 you will need to delete your graphicPacks. After updating CEMU, use the download button in the graphicPack window to download them fresh. Use this button to update the packs from now on. You should always make sure your Cemuhook is up-to-date. https://cemuhook.sshnuke.net/ |
Older CEMU Versions |
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Archive of Cemu ReleasesYou can copy the download link from Cemu's download page, paste into your URL bar, and edit the version number to point to the version you wish to download.
You may also grab downloads from this forum topic by QwerkyPenguin: [ Click Here ] |
Dumping Disc/Digital Games, Updates, DLC, and Save Data
Getting Started |
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This information can now be found here: http://compat.cemu.info/wiki/Getting_Started |
Online Mode and Online Local Co-op
Online Play |
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Online PlayTo connect online you'll require your Wii U with Homebrew support, and a way to dump files from your Wii U NAND onto your SD Card or an FTP client.
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Online Local Co-op |
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ParsecCheck out this thread and video to get started; decent internet connection recommended. [Click Here] |
Motion Controls & Cemuhook
Cemuhook Download & Info | |
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Cemuhook Download & InfoREQUIRED FOR FPS++, TEXT, and VIDEOS Download Cemuhook by Rajkosto from: https://sshnuke.net/cemuhook/ Extract When opening Cemu, make sure to download your Shared Fonts.
These are REQUIRED for various titles to function correctly, such as Mario Kart 8, Super Smash Bros. Wii U, Mario Tennis: Ultra Smash, and Super Mario Maker; along with other titles!
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Motion Controls | ||||||||
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Motion ControlsCemuhook is required for motion providers to work with CEMU.
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Graphic Packs
GraphicPack Menu & Download Method (Cemu 1.15.1+) | |
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Breath of the Wild Graphic Packs (Recommended Packs & Explanations) | |
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Breath of the Wild Graphic Packs
Explanations - GraphicPacks for Breath of the Wild
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ShaderCache
What is shaderCache? | ||||||
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[BotW] 11,000 Cache vs 9,600 Cache? |
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Game Update from 1.3.1 to 1.4.0 invalidated caches. Transferrable Cache that was made collectively with both -/1.3.1 and 1.4.0/+, together, will contain duplicates that will not be detected by CEMU as pointless, effectively bloating your RAM. Non-bloated cache for Breath of the Wild should be roughly 9600 shaders. Caches far exceeding this upper limit are known to be from older versions of the game. All other known games should be fine and should not experience this problem. There is no performance decrease with a bloated cache, however if your RAM is not sufficient to store all data on the RAM and therefore puts it on your HDD/SSD Pagefile, you may notice a sufficient decrease in overall performance for the game in question. Memory Swapping (pageFile,) is often much slower than RAM on its own, depending on the quality and speed of the storage device your pageFile is located on. In rare cases, more specifically on very slow HDD storage, this may result in crashes of the game. |
Performance
Windows 10 PC Optimizations | |||||||
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Windows 10 PC Optimizations
These services are unnecessary for Cemu and you can see a rough 1~5 FPS increase. For games you want to use them with, make sure to enable the services again and reboot. If you use any Xbox-integrated programs like Xbox Messages, Xbox Live, etc.. You will be required to enable these services and restart the PC before they will work again. Additionally, make sure all programs that are running are closed before running CEMU. Simply having Discord, Firefox, or Google Chrome open can decrease your performance. I recommend the following:
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AMD Ryzen CPU Simultaneous Multithreading - (Look into the tool Ryzen Master) |
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Ryzen Master is a tool that may be used, paired with a Ryzen CPU. Whether or not this will help your performance is mainly determined by which Ryzen CPU you have and your amount of RAM / quality of RAM. When using Ryzen Master, all you need to do is create a new profile. You can call this profile "Cemu" or whatever you wish, as this setting may end up helping with some other games if you go through and test with any titles you have had issues with in the past. With this profile active, disable SMT. (Simultaneous Multithreading) - This setting being used by default may actually reduce performance across the cores when using games or programs that exclusively want to work on a few set cores. Disabling SMT usually helps in Cemu's case, but you will want to keep an eye on your actual performance numbers. If SMT being disabled has not done much for you, your next option is to enable the Game Mode. This is typically it's own profile, I'm not aware if you can edit it. In either case Game Mode will disable some of your CPU cores to help restrain processes to certain cores, almost like disabling SMT but not the same. If this works better for you than disabling SMT, I would suggest using it each time you plan to play. If neither disabling SMT or Game Mode benefit your performance, I suggest just leaving everything alone. At the very least I wanted to provide this suggestion as I have gotten some great results from people in the past. |
AMD GPU owners trying OpenGL, use Linux - (+20~50% Performance) |
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AMD Users + Linux (Better Performance)AMD's lack of performance on OpenGL is due to their deprecated Windows OpenGL support since moving their attention to the Vulkan API. Had AMD added additional compatibility extensions it would not have the problems it does, and to be fair, it's mainly Breath of the Wild that is affected. Will AMD ever improve their OpenGL driver support?--We don't know. Probably not. In the meantime, Linux users can use MESA drivers for AMD which aren't applicable to Windows systems, seeing anywhere between a 20~50% performance increase in contrast. Lutris, for automatically installing Cemu on Linux - Alternative, courtesy of Discord user Johngalt#5368 -
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Laptops & Desktops - Look into Undervolting your CPU - (Decrease temperatures, stabilize performance) |
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Laptops & Desktops - UndervoltingI haven't delved very far into this as my personal overclock is only stable at a certain voltage, being an i7-2700k @ 4.5GHz However, if you're interested in this you can (Click Here) The main reason you'd like to do this is for Desktops & Laptops where heat becomes a problem, relating to the BDPROCHOT section below and Ryzen Master section, above. |
Laptops & Desktops - Disable CPU Parking - (Stop your CPU from starting & stopping cores/threads) |
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Laptops & Desktops - Disable CPU Parking
By default, core parking basically makes your processors go into a sleep state known as (C6) and is supported by most new processors. This allows your computer to save power. There is a trade off for disabling parking. If you use a laptop or tablet, you may notice a slight difference in battery life once you disable core parking on your CPUs. If you disable core parking on your CPUs, your computer may have faster benchmarks. (Reported higher frame rates by gamers and power users). How can this speed up my computer? Imagine that you have four engines and every time you stop and start you also turn some of the engines on and off. With all of your CPUs ‘on’, your engines are always ready to go. Does this work on all processors? No. Has there been reported improvements? Yes. |
Laptops - Disable BD PROCHOT - (Stop your PC from throttling from heat earlier than necessary) |
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Laptops - Disable BD PROCHOT
An informative Reddit post can be found here: Link BD PROCHOT - Stands for Bi-directional Processor Hot. PROCHOT is an emergency throttling system that is used when a CPU hits its maximum temperature (100 or 105C). BD PROCHOT is a system some laptops use where the CPU will be throttled when another component, such as a GPU, reaches a set temperature—even if the CPU is not hot to the point of throttling. Some laptops trigger thermal throttling as low as 60~70c, well below the maximum safe temperature. You can look into ThrottleStop and their documentation, then see if this is what's causing your CPU Core Performance to always drop below its suggested speeds. |
Extra
Native Linux Build? |
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Native Linux Build?
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Bugs and glitches should be reported on our Discord!
Information & Discord Server |
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For quick and reliable support, feel welcome to come by the Discord. https://discord.gg/5psYsup The Discord is more than just for troubleshooting. Our main community discussion hub and development are all focused there. MAKE SURE TO READ THE #RULES Message me on Discord if you have any questions regarding the Guide. Thank you. |