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Serfrosts Cemu Setup Guide: Difference between revisions
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=='''Dumping & Importing Save Files'''== | =='''Dumping & Importing Save Files'''== | ||
<code>Prerequisties: | <code>Prerequisties: Wii U connected to the same network as your PC.</code> | ||
'''First follow the "Getting Started" area of this section, above.''' | '''First follow the "Getting Started" area of this section, above.''' |
Revision as of 06:04, 8 February 2019
Wanting to add mods to Breath of the Wild on CEMU? Click Here
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Consider reading all of the sections to get a good understanding. If you're able to do that, any game should be
of little difficulty to run, as long as you have the hardware and specifications, in addition to it being rated well on
the Compatibility List linked below. Additionally, if the game does not run as desired, please review the game's
designated page on the Compatibility List to see why!
[ Official CEMU Compatibility List ]
[ Current Version ] | |
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Recommended Settings
Cemuhook [Required] | |
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REQUIRED FOR FPS++ , STATIC 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 AMD CPUs typically lack Single-Thread processing power.
You can check out Darkemaster's AMD FX Compatibility Video list for Cemu 1.12.0 [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 ( 2,000 ) if you plan to play Breath of the Wild at 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 when under these conditions lower 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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UpdatingYou 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. Then use the download button in the graphicPack window to download them fresh. 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.
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Games, Updates, DLC, and Saves
Getting Started |
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Getting Started
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Dumping Disc Games to SD/USB & Decrypting |
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Dumping Disc Games(When using a USB, it must be FAT32, do not let the Wii U format it!)
First follow the "Getting Started" area of this section, above.
Decrypting Dumped Disc Games
Example Game Directory: Game ripping and decryption is now complete. However, there is still Update and DLC data missing. (See below.) |
Dumping eShop Games, Updates, and DLC to PC |
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Dumping & Installing eShop Games, Updates, and DLC to PC
First follow the "Getting Started" area of this section, above.
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Dumping & Importing Save Files |
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Dumping & Importing Save Files
First follow the "Getting Started" area of this section, above.
Ensure you are copying data from the right User Account. Accounts are usually in order of creation.
You can also get saves from local websites, i.e: Wii U Save Files Compilation: https://gbatemp.net/threads/wii-u-save-files-compilation.427761/ Loadiine Save File Sharing Thread: https://gbatemp.net/threads/loadiine-save-file-sharing-thread.414878/ If downloaded Saves do not have the TitleID folder format, you can create a folder or create a save using CEMU and then replace the save, etc. If the save seems to crash your game, it may be corrupt or did not transfer correctly. You may try again or use another FTP client. |
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. Follow this guide from Flocker Click Here |
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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REQUIRED FOR FPS++ , STATIC 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 Controls
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Graphic Packs
GraphicPack Menu & Download Method (Cemu 1.15.1+) | |
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Download Method for Older Cemu Versions (~1.15.0) | |||||
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[BotW] Graphic Packs (Recommended & Info) | |
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[BotW] Graphic Packs
CEMU 1.14.0 and newer Graphic Packs
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ShaderCache
What is shaderCache? | ||||||
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Is there any benefit to building your own? |
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You can find completed caches online using Google. We will not provide you with these due to copyright infringement. When you find a cache, ensure that it is made for newer Cemu versions. You will be able to ensure there is not any duplicate cache data from Breath of the Wild (if you make your own,) as the 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 or Nosklo's tool, effectively bloating your RAM). Non-bloated cache for Breath of the Wild should be roughly 9650 shaders. All other known games should be fine and should not experience this problem. The majority of caches you can find online will be accompanied by errors you won't be able to fix without Nosklo's Shader Utilities tool; Download - You can find the corrupt shaders when viewing your log.txt within Cemu's folder after loading the game in the emulator, reaching the title screen. "Open" and then "Unpack" the Transferrable Cache with the tool, remove the shaders named in log.txt, then select "Open" again within the tool and repack the cache by selecting all of the singular extracted shaders at the same time. Replace your older cache that was corrupt. Test the cache again by deleting your Precompiled Cache for the game and then loading the game, afterwards checking log.txt once more. Some errors within games cannot be fixed this way and are normal for different versions of CEMU. You should only try to remove shaders that explicitly say they have an Additionally, it's likely you will have to rename the cache to match the name your game requires, as when people merge Games + Updates together, it changes the Cache ID. The required ID can be found in log.txt and/or in Cemu's window title bar after the game has been loaded. |
Performance
Windows PC Optimizations | ||||||||
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Windows 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. Additionally, make sure all background 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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Laptops with Dual Graphics |
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Laptops with Dual Graphic CardsEnsure your laptop is using your desired GPU for Cemu, otherwise you will likely be using Intel Integrated Graphics (iGPU) Nvidia Users: Open AMD Users: If you know how to change this setting for AMD users, please shoot me a message on Discord so I can add it here. Serfrost#7643 |
AMD Users + Linux (+20~50% Performance) |
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AMD Users + Linux (Better Performance)AMD's lack of performance 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. Courtesy of Discord user Johngalt#5368 -
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Laptops - Disable CPU Parking (Extra Performance) |
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Laptops - 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 (Extra Performance) |
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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 Turbo Speeds. |
Extra
Vulkan Support? | |
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Vulkan Support?
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Gamecube Controller Support? |
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Gamecube Controller Support?The Mayflash Adapter is natively supported; and though not natively supported, the Official Adapter can be used via: Here Exzap and Petergov plan to add native support for the Official Wii U Gamecube Adapter at some point. |
Graphic Bugs & Glitches |
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Graphic Bugs & Glitches
BotW: If you encounter any freezes during cutscenes or issues while facing Bosses, make sure to turn any FPS modifications off. Finish that section, save, then turn it back on. Other Graphic Problems: If you encounter any strange artifacts or issues that don't disappear with a restart of Cemu, you can try deleting your Precompiled cache and rebuilding it. If it's still in error, it may be your Transferable shaderCache; rename it temporarily for the specific game and then delete the Precompiled shaderCache once more. If still persistent, that's when you would want to try getting assistance on our Discord or trying seeing if your GPU Driver is either outdated or corrupt by following the [ GPU Drivers - Updates, Downgrades, and Corruption ] section below. |
GPU Drivers - Updates, Downgrades, and Corruption |
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GPU Driver Updates & Downgrades, Corruption?AMD Users: Each time after updating or downgrading your GPU Driver, you will need to delete your Precompiled shaderCache. Always make sure to be using the newest, or otherwise, most stable GPU Driver to date. If you have some issues, make sure it isn't your driver. If you think your driver is corrupted or your driver isn't behaving as expected, you can use DDU to uninstall your drivers in Safe Mode. Restart your computer. Reinstall your driver of choice afterwards. (DDU) Display Driver Uninstaller Download Note: If reinstalling your driver does not fix the issue, make sure to view the other bugs mentioned below. Ask on the Cemu Discord if any other users are having problems after changing GPU Drivers. |
Accurate Emulation with Full Sync @ GX2DrawDone() |
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Accurate Emulation with Full Sync @ GX2DrawDone()Located at: This option is recommended to help avoid potential CPU<->GPU desync issues and accurately emulate the CPU<->GPU sync behavior that most games expect. Keep in mind that the higher the resolution you use in-game, the more of a performance hit you will take.
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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. |
Donate?
Written & Managed by Serfrost - Special Thanks to Darkemaster and the CEMU Community I keep this guide updated for you guys! If you appreciate it, please consider tipping me - it would mean a lot to me! |