bf4 config

PerfOverlay.DrawFps 1
GameTime.MaxVariableFps 400
WorldRender.PlanarReflectionEnable 0
WorldRender.MotionBlurEnable 0
WorldRender.MotionBlurQuality 0
WorldRender.MotionBlurMaxSampleCount 0
WorldRender.MotionBlurRadialBlurMax 0
WorldRender.MotionBlurForceOn 0
WorldRender.MotionBlurFixedShutterTime 0
WorldRender.MotionBlurMax 0
WorldRender.LightTileCsPathEnable 1 (0 - рендерит какие-то эффекты на цпу, 1 - на гпу)
WorldRender.DxDeferredCsPathEnable 0
WorldRender.SpotLightShadowmapEnable 0
WorldRender.SpotLightShadowmapResolution 64
WorldRender.TransparencyShadowmapsEnable 0
RenderDevice.Dx11Enable 0
RenderDevice.Dx11Dot1Enable 0
RenderDevice.Dx11Dot1RuntimeEnable 0
RenderDevice.StereoConvergenceScale 0
RenderDevice.StereoSeparationScale 0
RenderDevice.StereoSoldierZoomConvergenceScale 0
RenderDevice.VSyncEnable 0
PostProcess.DofMethod 0
PostProcess.BlurMethod 0
PostProcess.DynamicAOEnable 0
PostProcess.DynamicAOMethod 0
Render.VSyncFlashTestEnable 0
RenderDevice.DxDiagDriverDectectionEnable 0
RenderDevice.TripleBufferingEnable 0
WorldRender.FxaaEnable 0
Render.DrawScreenInfo 0
PerfOverlay.FramefileLogEnable 0

Also:
Thread.JobThreadPriority (your CPU thread #)
Thread.ProcessorCount (your CPU thread #)
Thread.MaxProcessorCount (your CPU thread #)
Thread.MinFreeProcessorCount 0