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This is very cool. I'm wondering if some of the templates and switch statements would be nicer if there was an intermediate representation and a compiler-like architecture.

I'm also curious about how this compares to something like Jax.

Also curious about how this compares to zml.

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You are absolutely correct! I started working on a sort of compiler a while back but decided to get the basics down first. The templates and switch(s) are not really the issue but rather going back and forth between C & Python. This is an experiment I did a few months ago: https://x.com/nirw4nna/status/1904114563672354822 as you can see there is a ~20% perf gain just by generating a naive C++ kernel instead of calling 5 separate kernels in the case of softmax.

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