Mario Kart wii issue

[macky]

I have been enjoying this game since a few days ago ,running very smooth and in HD, having set up to OpenGL,1920 x 1200, 3x IR and with forced Hd texture.

But I just learned from dolphin wiki that i should set EFB copies to RAM in order to get the lens flare effect.I did this, but the frame rate falls to around 30.I reduced the IR to 1x and disabled Hd texture but the frame rate remains the same.I tried D3D11 and still no luck.

Only with D3D9 it work fine,but apart from the lens flare effect ,everything else looks much worse than OpenGL as far as picture quality goes, even with 4x IR and HD texture on.

Is this a general issue or is there any possible way to run this game smoothly with OpenGL and EFB copies to RAM??Please help.

[Shonumi]

macky Wrote:Is this a general issue or is there any possible way to run this game smoothly with OpenGL and EFB copies to RAM??

Unfortunately, EFB2RAM is a very demanding option in some games. In games like New Super Mario Bros. Wii, it can tank the FPS straight down to 30 in my case. Other games will handle alright, but require seriously beefy hardware to achieve that. The best you can do is make sure things like VSync is turned off and the Vertex Streaming Hack is on. These don't affect EFB2RAM's speed, but they do have an effect overall for Dolphin's performance.

[pauldacheez]

EFB to RAM is especially demanding in OpenGL – I don't exactly know why it's worse there (due to inherent issues with the API or just with how we're using it?), but (warning, not-completely-proven theories of mine ahead) on all backends EFB to RAM is bottlenecked by how fast your GPU can render a frame, how fast your CPU can do whatever it does with the frame, and, most importantly, how fast the frame can be shuffled between the CPU and GPU memory.

EFB to RAM is supposedly much faster on integrated GPUs (which makes sense, but I've found that it also depends on drivers since I've found it to be much less of a slowdown on Linux than on OS X), and AMD and Nvidia are both working on unified memory (e.g. the CUDA stuff Nvidia just announced today), but for now the only real thing to do about it is to overclock your CPU/GPU/RAM. (I don't actually know how effective each of those are, I don't happen to own anything overclockable.)

[macky]

Thanks guys for your help.
But is there anyone who actually did run smoothly this game with openGL + EFB to RAM + at least 3x IR?
I suspect there might be something else than hardware issue.Using D3D9,I can run perfectly with EFB to RAM + 4x IR + forced texture filtering.It's just that i don't like its picture quality when compared to opengl.
Besides the frame rate remains the same(30 fps) at 1x and 4x IR, texture filtering on and off.If it was only due to my pc specs,I think there should be some difference when changing these settings

[Shonumi]

It runs about 36 FPS for me with OpenGL after I disable VSync. I've got an i5-2500K overclocked to 3.8GHz and a GTX 550 Ti (mid-range GPU, but still pretty good for Dolphin); I'm no slacker when it comes to Dolphin, but EFB2RAM is just that demanding.

[macky]

Do you get the same fps in 1x IR with no texture filtering and in 4x IR + texture filtering on?

And how can i disable VSynch?

(11-15-2013, 01:00 PM)Shonumi Wrote: It runs about 36 FPS for me with OpenGL after I disable VSync. I've got an i5-2500K overclocked to 3.8GHz and a GTX 550 Ti (mid-range GPU, but still pretty good for Dolphin); I'm no slacker when it comes to Dolphin, but EFB2RAM is just that demanding.

[pauldacheez]

The fact that you're getting the same speed regardless of graphical settings means you're CPU-limited. Overclock.