MTLDevice instance should have access to architecture: https://developer.apple.com/documentation/metal/mtldevice/4195341-architecture
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What app is this? looks like it's using OpenGL, which is deprecated starting macOS 10.14.
This just adds a lot of noise to the profiling data and would be nice to configure it.
Apparently, the new version of Instruments records traces of other processes that utilize the GPU while your process is running. This adds a lot of noise to the profiling data.