@warrenm Have you worked with compute much in Metal? I’m trying to apply a kernel on a texture after rendering to it and it is dog slow.
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@warrenm I’m wondering if kernel fns use more accuracy by default or are restricted to certain USCs or input ports on each.
@jfroy Haven’t heard of such a distinction. Regarding precision, you could try the -f(no-)fast-math flags in the Metal compiler options.
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@warrenm I did, no love. If you try their image processing demo, which is really simple, it runs at 30 fps ish and pegs the device at 100%. -
@jfroy I’m curious which device. Also, note that you may be able to increase throughput with a higher threadsPerThreadgroup count. -
@warrenm A7 (iPad mini 2).
End of conversation
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