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Why is Dolphin 3.5 faster than 4.0?
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Why is Dolphin 3.5 faster than 4.0?
05-26-2016, 07:36 AM
#1
EagerStallion Offline
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I know for a fact that Dolphin 3.5 is much faster than 4.0, I can run SSBB at full resolution at 60FPS with no slowdowns, but on 4.0 I get slowdowns in menus and when there is a lot of effects onscreen. I'd rather not have to change the file names of all of my custom textures to be 3.5 compatible so I specified the "/v DirectX9" option in a shortcut, but that did nothing. I can also run Twilight Princess at a stable framerate (30) with almost no slowdowns with Dolphin 3.5, but on 4.0 the framerate goes down to 9. What did you change in the code that caused this slowdown?
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05-26-2016, 07:55 AM
#2
envisaged0ne Offline
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Make sure you're downloading the latest dev build from the official Dolphin site.  The current version is 4.0-9399

https://dolphin-emu.org/download/?ref=btn
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05-26-2016, 08:26 AM
#3
mimimi Offline
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Yay, this again. Short version: The latest development builds are far more accurate than 3.5, and some of those fixes did come at a price. Also, the latest development builds are faster than 4.0.

And for twilight princess, you might want to enable the speed hack(right mouse button -> properties -> patches).
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05-26-2016, 03:30 PM
#4
EagerStallion Offline
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(05-26-2016, 08:26 AM)mimimi Wrote: Yay, this again. Short version: The latest development builds are far more accurate than 3.5, and some of those fixes did come at a price. Also, the latest development builds are faster than 4.0.

And for twilight princess, you might want to enable the speed hack(right mouse button -> properties -> patches).

I have Dolphin 4.0-9396. When you say "accurate" I cringe because the default CPU clock in Dolphin is 486Mhz - the Wii's RISC processor is clocked at over 700Mhz. So "accurate" is a...Misconception.
I've enabled all hacks that I can for Twilight Princess. Still no-go. I've even tried re-dumping the disc to make sure it wasn't a bad ISO.
What program do you use to compile the source code? I might take a look at that and see what things I can make purposefully less accurate.
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05-26-2016, 03:48 PM
#5
phire Offline
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(05-26-2016, 03:30 PM)EagerStallion Wrote: I have Dolphin 4.0-9396. When you say "accurate" I cringe because the default CPU clock in Dolphin is 486Mhz - the Wii's RISC processor is clocked at over 700Mhz. So "accurate" is a...Misconception.

Launch a wii game then check again. 486mhz is the speed of the gamecube.

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05-26-2016, 04:25 PM
#6
admin89 Offline
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Latest Dolphin is the fastest because of DX12 . It's obviously slower for those people that don't have the hardware for DX12
There are many changes like new HLE which is almost as accurate as LLE (more demanding than old HLE) , wiimote speaker , game compatibility ....
Laptop: (Show Spoiler)
Clevo W230SS : 3200x1800 IPS | i7 4700MQ @ 3.6GHz (Intel XTU + Triple fan mod) | GTX 860M GDDR5 | 128GB Toshiba CFD SSD | 16GB DDR3L 1600MHz
Aspire 715 43G : 1080p 144Hz |  R5 5625U @ 4.3GHz | Nvidia RTX 3050 4GB | 500GB WD SSD  | 16GB DDR4 3200MHz 
Mini PC :: (Show Spoiler)
G3258 @ 4.6GHz | ELSA GTX 750 | Asrock Z87E ITX | 600W SFX 80+ Gold Silverstone + SG06-LITE | Corsair Vengeance 8GB 2000MHz | Scythe Kozuti + Ao Kaze | 45TB 2.5" Ex HDD (in total) , Zelda Gold Wiimote , LE Wii Classic Controller , Gold LE PS3 DualShock , BlackWidow Chroma ,
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05-26-2016, 04:49 PM
#7
JMC47 Offline
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TIL: People have no idea how much work goes into making an emulator.
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05-26-2016, 05:25 PM
#8
JosJuice Offline
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(05-26-2016, 04:25 PM)admin89 Wrote: Latest Dolphin is the fastest because of DX12 . It's obviously slower for those people that don't have the hardware for DX12

That's not obvious. That Dolphin has gotten slower in some ways because it has gotten more accurate isn't related to D3D12.

(05-26-2016, 03:30 PM)EagerStallion Wrote: What program do you use to compile the source code? I might take a look at that and see what things I can make purposefully less accurate.

Visual Studio 2015 Update 2. There are more details at https://github.com/dolphin-emu/dolphin. What you want to do sounds tricky, though.
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05-26-2016, 05:49 PM
#9
admin89 Offline
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Quote:That's not obvious. That Dolphin has gotten slower in some ways because it has gotten more accurate isn't related to D3D12.
I never say DX12 is the cause
I rephrase it then . Newer Dolphin version has more features than older Dolphin revision and these features do not come without a price (performance)
Good thing that we have Dx12 and that should boost up performance
Laptop: (Show Spoiler)
Clevo W230SS : 3200x1800 IPS | i7 4700MQ @ 3.6GHz (Intel XTU + Triple fan mod) | GTX 860M GDDR5 | 128GB Toshiba CFD SSD | 16GB DDR3L 1600MHz
Aspire 715 43G : 1080p 144Hz |  R5 5625U @ 4.3GHz | Nvidia RTX 3050 4GB | 500GB WD SSD  | 16GB DDR4 3200MHz 
Mini PC :: (Show Spoiler)
G3258 @ 4.6GHz | ELSA GTX 750 | Asrock Z87E ITX | 600W SFX 80+ Gold Silverstone + SG06-LITE | Corsair Vengeance 8GB 2000MHz | Scythe Kozuti + Ao Kaze | 45TB 2.5" Ex HDD (in total) , Zelda Gold Wiimote , LE Wii Classic Controller , Gold LE PS3 DualShock , BlackWidow Chroma ,
Now Playing : Xenoblade Definitive Edition on Yuzu - Switch Emu 

 
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05-26-2016, 08:34 PM
#10
EagerStallion Offline
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If I decide to recomp Dolphin what things are "safe" to make less accurate? I'm gonna nix texture filtering altogether, it's pretty useless when you have 4K custom textures. I'm also going to allow overclocking by more than 400%. I'm also going to reinstate DX9 as a usable backend. What happened to overclocking the GPU like you could in 3.5?
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