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Understanding the performance of code using LLVM's (llvm-mca)

ARTICLE BY: Andrea Di Biagio
POSTED: Dec 13, 2018
TAGS: Toolchain, Compiler, LLVM

LLVM-mca is a LLVM based tool that uses information available in LLVM’s scheduling models to statically measure the performance of machine code in a specific CPU. The goal of this tool is not just to predict the performance of the code when run on the target, but also to help with diagnosing potential performance issues. In this talk we, will discuss how llvm-mca works and walk the audience through example uses of this tool.

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