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Hi Matt, Thanks you so much for the reply! I've tried the llvm-mca, it is helpful. I was wondering whether the llvm-mca support the assembly code for the ARM? I cross-compile the test file for ARM like that: clang test.c -O2 -target arm-linux-gnueabihf -static -S -o test.s If I want to check the performance using llvm-mca, is there any option of "-mcpu" for ARM ? Thanks, Yin

...assembly code as input and generates throughput and latency information. For more details see: https://llvm.org/docs/CommandGuide/llvm-mca.html -Matt -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20180509/149bf0a9/attachment.html>

Hi Yin, From: llvm-dev <llvm-dev-bounces at lists.llvm.org> On Behalf Of Yin Liu via llvm-dev > Hello, > > As is known to all, there is a relationship between program's instructions and its execution time. In other words, we can estimate the execution time based on the number of program > instructions. > > I'm curious about what the relationship between IR