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From tqchen via TVM Discuss <>
Subject [TVM Discuss] [Development] Google lasted work: MLIR Primer
Date Mon, 08 Apr 2019 17:06:43 GMT

Some of the good directions of MLIR like text format are already present in relay.  And a
natural next step would be the unification of relay and tensor level IR to bring a unified

Note that MLIR did not make the choice of IR design, so we still make a deliberate choice
on how to design the IR. We could use more thoughts on "pattern-matching style pass" vs transformations
on CFG(which we could move to a different thread). Note that both are pattern matching on
different structures. In my experience, Halide's loop nesting IR benefit from certain high-level
information and quick prototyping.  While CFG+SSA is good for codegen(role of LLVM).

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Tianqi Chen, UW, Seattle, WA, 98105, United States
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