i — An experimental tensor DSL/compiler with explicit scheduling

What it does

𝚒 is an experimental tensor computation language with declarative semantics, explicit scheduling, and an extremely tiny surface area. 𝚒 aims to pull just enough scheduling capability from the kernel DSL layer into an otherwise high-level tensor language. The 𝚒 scheduling model only has three concepts: loop splits, loop ordering, and input producer staging, but these have predictable lowering consequences including loop/operator fusion, storage folding, and online reduction rewriting. These are all the necessary ingredients for implementing numerically stable online blockwise FlashAttention . Here is what that looks like (it's dense but details of the syntax are given below): # does a…from github.com

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