What are the fast settings for Dolphin? Please help

I want to push the emulator to the brink. So, I can get maximum visuals and audio.

Under the General tab:

I enable Dual Core
I enable Idle Skipping
I enable Framelimit to 120 and tick Limit by FS.
In Advance settings I have JIT Recompiler enabled
Under Audio tab, I have DSP HLE emulation (fast) enabled

For Graphics settings under General tab:

I have Backend as Direct3D11
Full Resolution to 1920x1080 and Aspect Ratio to Stretch to Window

Under Enhancements tab:

I have Internal Resolution at 4x Native 2560x2112
Anti-Aliasing at 8 samples (quality level 32)
Anisotropic Filtering at 16
And, the following boxes ticked Scaled EFB Copy, Force Texture Filtering and Per Pixel Lighting

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Are these the maximum or fastest settings?

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These are my machine settings , but all 4 cores have been overclocked to 4.1GHz.