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Monday, April 8 • 2:35pm - 3:05pm
Round Tables

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Round table discussions on a variety of topics listed below:

GPU in LLVM: Thread groups, warps, wavefronts, and convergence
Nicolai Hähnle, Neil Henning
The "convergent" attribute is arguably broken, and besides, it's not sufficient for expressing non-uniform subgroup operations and related semantics constraints. So how do we move forward on this problem? See also: http://lists.llvm.org/pipermail/llvm-dev/2018-December/128662.html ([RFC] Adding thread group semantics to LangRef)

Scalable Vector Next Steps
Graham Hunter
A discussion about the roadmap to enabling autovec for scalable vectors


Monday April 8, 2019 2:35pm - 3:05pm CEST
Versailles