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2015 LLVM Developers’ Meeting: Jingyue Wu “ Optimizing LLVM for GPGPU"

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Published on Nov 5, 2015

http://www.LLVM.org/devmtg/2015-10/

Optimizing LLVM for GPGPU - Jingyue Wu, Google

Slides: http://llvm.org/devmtg/2015-10/slides...


This talk presents Google’s effort of optimizing LLVM for CUDA. When we started this effort, LLVM was well-tuned for CPUs but there had been little public work on improving its GPU performance. We developed, tuned, and augmented several general and CUDA-specific optimization passes. As a result, our LLVM-based compiler generates better code than nvcc on key end-to-end internal benchmarks and is on par with nvcc on a variety of open-source benchmarks.

Videos Filmed & Edited by Bash Films: http://www.BashFilms.com

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