If you’re interested in such things, this (more mature) project is similar, and probably worth checking out. It takes a pretty different approach on the backend, but i expect most users wouldn’t notice a difference. github.com/tillahoffman...

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For the scientists in the house: Apple GPUs don’t support float64, but jax-graft supports zero copy host offloading, so you should be able to combine lower precision operations on GPU with float64 computations on CPU.

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I’ve always wanted to be able to run JAX programs on my Mac’s GPU, so I built a custom JAX backend for Apple GPUs using Claude. It’s early days, so I’m sure there will be many sharp edges, but I’m pretty happy with it so far! Check it out: github.com/dfm/jax-graft

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arXiv has received a 17.2 million investment from three leading philanthropic organizations. Thank you to Simons Foundation International, Siegel Family Endowment, and XTX Markets for your support of arXiv! Read more: blog.arxiv.org/2026/09/23/arxiv-receives-multiyear-investment/

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It's been really exciting to work with @jayke.io, @gradientrider.bsky.social and the rest of this amazing team using JWST's AMI mode to find a fifth candidate planet in the classic HR 8799 system!

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