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Configuration Guide: Difference between revisions

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Configuration Guide (view source)

Revision as of 11:01, 7 August 2011

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Configuring [[Dolphin]] the right way is very important to run games smoothly. This '''performance guide''' will show a "quick and dirty" example of how to speed up Dolphin. There is also a guide offering a [http://www.dolphin-emulator.com/configuration-explanation.html Configuration Explanation]. Open Dolphin and there are three configuration related buttons: Config, Graphics and DSP, which will open the options described below.  
Configuring [[Dolphin]] the right way is very important to run games smoothly. This '''performance guide''' will show a "quick and dirty" example of how to speed up Dolphin. There is also a guide offering a [http://www.dolphin-emulator.com/configuration-explanation.html Configuration Explanation]. Open Dolphin and there are three configuration related buttons: Config, Graphics and DSP, which will open the options described below.  
First of all you must understand why emulation of you game is slow. This may be because of 2 things: 1) you CPU is slow (most of cases): 2) you GPU is not fast enough. Depnding on that - you must tune configurations in different way's.


==Config==
==Config==
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* Enabled Dual Core - if your CPU supports it. Note: some games doesn't work with it.
* Enabled Dual Core - if your CPU supports it. Note: some games doesn't work with it.
* Enable Idle Skipping.
* Enable Idle Skipping.
* Use JitIL recompiler - it's faster in theory.
* Set FrameLimit = OFF; and Enable Audio Throttle. Use Tab key for speedup. Note: will work only if you have spare CPU power.


[[File:Dolphin emulator configuration plugins.png]]
[[File:Dolphin emulator configuration plugins.png]]
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[[File:Dolphin emulator graphics.png]]
[[File:Dolphin emulator graphics.png]]


If speed emulation is slow because of video card - try to use usual tricks such as:
* The Direct3D9 graphics backend is fastest and most reliable backend available. It is recommended to you use it unless you encounter problems.
* Reduce resolution of you monitor to minimum (e.g. 256x192)
* Set Internal Resolution to 1x or lower (0.375x)
* Disable AntiAliasing
* Disable Anisotropic filtration - set it to bilinear/trlinear or even nearest.
* Disable Vertical Sync
*
* Direct3D9 render is fastest (if supported by your OS). It is recommended to you use it unless problems encountered.
* Setting the "Fullscreen resolution" to your monitors native display resolution is recommended. However, a lower "Fullscreen resolution" may boost performance for users with inferior graphics cards.  
* Setting the "Fullscreen resolution" to your monitors native display resolution is recommended. However, a lower "Fullscreen resolution" may boost performance for users with inferior graphics cards.  
* Set Internal Resolution to "Auto - (Multiple of 640x528)". If your computer has slowdown, change to "1x Native (640x528)" and go up from there till you can find the highest setting without slowdown.
* Set Internal Resolution to "Auto - (Multiple of 640x528)". If your computer has slowdown, change to "1x Native (640x528)" or lower, and go up from there till you can find the highest setting without slowdown.
* If needed enable "EFB Copies = Texture".
* Texture cache - one position to left from right end is enough in most cases.
* Disable External FrameBuffer. If needed try to use "Virtual" first.
 
Next is questionable speedup's:
* Cache Display Lists = speed up??? Create Scary GFX bugs in [[Fragile_Dreams]].
* Checking "Skip EFB Access from CPU" can provide a speed boost. However, some games like [[Super Mario Galaxy]] require this to be unchecked to function properly.
* Checking "Skip EFB Access from CPU" can provide a speed boost. However, some games like [[Super Mario Galaxy]] require this to be unchecked to function properly.
    
    
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[[File:Dolphin emulator dsp.png]]
[[File:Dolphin emulator dsp.png]]


* If FrameLimit enabled - uncheck "Enable Audio Throttle".
* If FrameLimit = Off - Enable Audio Throttle & use TAB key for speed up.
* Set "Volume" to 100% - in theory it will give micro speedup.
* Use DirectSound backend.
* It's questionable: will setting SampleRate to 32 kHz give any speedup???
* DSP HLE emulation is the fastest DSP Emulator Engine, however it is somewhat unreliable. [[DSP LLE]] recompiler is more accurate and is required by some games.
* DSP HLE emulation is the fastest DSP Emulator Engine, however it is somewhat unreliable. [[DSP LLE]] recompiler is more accurate and is required by some games.
[[File:Dolphin emulator dsp hle plugin settings.png]]
[[File:Dolphin emulator dsp hle plugin settings.png]]
==Other way's==
* The x64 versions of Dolphin is up to 3-7% faster then the x86 version, but you must have a x64 OS to use it.
* Try to use earlier version of Dolphin (e.g. {{revision|2.0}}). Sometimes you can get up to +15 fps with it compared to recent revisions (e.g. {{revision|3.0}}).
* Overclocking - use for your own risk.


==The Gamespeed is too fast!==
==The Gamespeed is too fast!==
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* Framelimit Auto + Audio Throttle unchecked
* Framelimit Auto + Audio Throttle unchecked
* Framelimit Off + Audio Throttle unchecked, Enable V-Sync (with a 60htz monitor refresh rate)
* Framelimit Off + Audio Throttle unchecked, Enable V-Sync (with a 60htz monitor refresh rate)
* Declocking - use for your own risk. Try to reduce CPU multipler first - 'cause it most safe way.


==How can I play in 720p or 1080p?==
==How can I play in 720p or 1080p?==
To play in 720p go to "Graphics -> Direct3D" and change the Window Size to 1280x720. For 1080p simply choose 1920x1080.
To play in 720p go to "Graphics -> Direct3D" and change the Window Size to 1280x720. For 1080p simply choose 1920x1080.
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