Emulation Help and advice on BOTW, part 5768.....

Uptown · Aug 3, 2021

Good afternoon

I'll make this as quick as possible since I have arrived at the cemu party very late.
After watching many videos, reading many posts online and trying to implement them, I have started running BOTW on my pc. The specs are as follows;
I7 4770 CPU
16gb hyperx dddr3 ram
1tb ssd
HD 7850 2gb GPU running via an egpu set up. (This is due to my tiny sff Lenovo m93p, that I use for all emulators).

I have uploaded pictures showing the cemu set up and graphics packs that are in use and so far, I get 18-20fps average and up to 50fps in shrines, on default resolution.

Now, is this the most I can expect with my specs, or has anyone managed better with similar set up?

I know that I should have at least 4gb of GPU but hey ho, I don't want to spend money on over priced gpu's that have been mined to death for bitcoins!

Any help or advice would be much appreciated.

P.s. I have lowered the Res but it makes 1-2fps difference.

PPS. I forgot to add that when I load the game It pre compiles 3890 shaders. I'm sure I have read somewhere that it ideally needs to be 9000? Or am I wrong...

Shardnax · Aug 3, 2021

You might try turning off DOF since it's a pointless effect.

Edit: This is unrelated to your question but, consider using screenshots rather than photos in the future. A cropped screenshot of a menu window will result in a much smaller file and there's no need to worry about legibility or anything else really.

Mama Looigi · Aug 5, 2021

Use Vulkan. On AMD you’ll always get way higher performance with Vulkan. But disable all OpenGL graphics packs and only enable the Vulkan AMD ones

Try the Async shader compile and disable it if your GPU doesn’t support it

Make sure your GPU is on the latest drivers

It won’t affect performance if you turn the Anisotropic Filtering graphic pack to x8 and possibly x16

Depth of Field won’t affect performance anymore- it’s just preference

Make sure Cemu and your graphics packs are up to date- maybe check once a week for graphics packs

Uptown · Aug 5, 2021

Mama Looigi said:
Use Vulkan. On AMD you’ll always get way higher performance with Vulkan. But disable all OpenGL graphics packs and only enable the Vulkan AMD ones

Try the Async shader compile and disable it if your GPU doesn’t support it

Make sure your GPU is on the latest drivers

It won’t affect performance if you turn the Anisotropic Filtering graphic pack to x8 and possibly x16

Depth of Field won’t affect performance anymore- it’s just preference

Make sure Cemu and your graphics packs are up to date- maybe check once a week for graphics packs

Thanks for the advice, I'll change it all over tonight and test it out.

One question, I'm sure I read somewhere that Vulkan should only be used if the AMD graphics card is 4gb or over, otherwise use opengl? I'm I wrong about that?

Laf111 · Aug 5, 2021

Uptown said:
One question, I'm sure I read somewhere that Vulkan should only be used if the AMD graphics card is 4gb or over, otherwise use opengl? I'm I wrong about that?

I think it is not the case anymore.
And Vulkan GPU cache is much more well handled than OpenGL one now, even for NVIDIA GPUs.

As alreay said here : Vulkan + async shader compil is the best setting now.

Uptown · Aug 5, 2021

Okay. Update....Changed all settings, as advised, to Vulkan. Currently running at 4434 shader compile at the beginning, have started to explore an area I have already covered and it's running a 5-6 FPS. Now, should I expect that whilst new shaders are compiled in Vulkan? I don't mind if eventually, it smooths out to a better FPS rate.

As I move it says compiling new shaders or something?

Mama Looigi · Aug 5, 2021

Uptown said:
Okay. Update....Changed all settings, as advised, to Vulkan. Currently running at 4434 shader compile at the beginning, have started to explore an area I have already covered and it's running a 5-6 FPS. Now, should I expect that whilst new shaders are compiled in Vulkan? I don't mind if eventually, it smooths out to a better FPS rate.

Yes, shader caching causes lag because it takes a large amount of CPU

But once any shader is cached, it doesn’t have to be again
You just have to build the cache before the game runs smooth
This is how most emulators with shader caches are

Uptown · Aug 5, 2021

Mama Looigi said:
Yes, shader caching causes lag because it takes a large amount of CPU

But once any shader is cached, it doesn’t have to be again
You just have to build the cache before the game runs smooth
This is how most emulators with shader caches are

Right then, a night of running around in treacle it is

Uptown · Aug 5, 2021

Blimey, I'm running at 2 FPS! This might take a long time to do.

Any advice, (apart from "have patience")

Uptown · Aug 5, 2021

Uptown said:
Blimey, I'm running at 2 FPS! This might take a long time to do.

Any advice, (apart from "have patience")

Update: quit game, reloaded and it added 1200 Vulkan pipeline shaders as well and now I'm running at 6-7 FPS. It's going the right way...

Uptown · Aug 5, 2021

A quick question.

As well as changing graphics pack and general settings to Vulkan, should I do the same for game profile?

Laf111 · Aug 5, 2021

For the game profile:

[CPU]
cpuTimer = hostBased
cpuMode = Multi-core recompiler
threadQuantum = 100000

[Graphics]
accurateShaderMul = min
precompiledShaders = disabled
disableGPUFence = false
GPUBufferCacheAccuracy = low
extendedTextureReadback = true

And YES change also the graphic API in the game profile because the setting is now configurable per game and so the game profile choice will override the general settings

Do you have enabled "async shader compilation" in General settings / Graphics tab ?

Uptown · Aug 5, 2021

Evening. At the moment, I'm running around BOTW in "Vulkan" mode with async enabled to test it out. As mentioned before, opengl was used and I was getting 20-25 FPS because I thought that my GPU needed at least 4gb.
At the moment, I'm building up the Vulkan pipe shaders in various areas of the game, started at 2-5 FPS, restarting and currently getting 10-15 FPS. I hope it's going the right way

Mama Looigi · Aug 6, 2021

Uptown said:
A quick question.

As well as changing graphics pack and general settings to Vulkan, should I do the same for game profile?

I would just suggest setting the CPU to Triple-core and 10,000 cycles in the profile

Open your task manager when the game runs and see if CPU or GPU usage is high or low when not building shaders

Uptown · Aug 6, 2021

Mama Looigi said:
I would just suggest setting the CPU to Triple-core and 10,000 cycles in the profile

Open your task manager when the game runs and see if CPU or GPU usage is high or low when not building shaders

Task manager shows 100% GPU, 18% CPU and 37% memory.

Emulation Help and advice on BOTW, part 5768.....

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