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An appeal to Apple from Anukari
TL;DR: To make Anukari’s performance reliable across all Apple silicon macOS devices, I need to talk to someone on the Apple Metal team. It would be great if someone can connect me with the right person inside Apple, or direct them to my feedback request FB17475838 as well as this devlog entry.
The typical use-case for Anukari is running it as an AudioUnit (AU) or VST3 plugin inside a host application like Pro Tools or Ableton, also called a Digital Audio Workstation (DAW). The GPU just has a ridiculous number of ALUs, it gives me explicit control over the L1 cache layout, and the concurrency constructs like threadgroup_barrier allow the physics integration steps to be done massively in parallel without consistency issues, without expensive CPU mutexes. It needs to be understood that I’m programming the GPU at the bare Metal layer (yes pun intended), and am taking advantage of a number of hardware features and ridiculous domain-specific optimizations that are quite necessary to make this work.
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