07 29 2020

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Manjunath Gorentla Venkata edited this page Jul 30, 2020 · 1 revision

Participants

Manjunath Gorentla Venkata
Sergey Lebedev
Pavel Shamis
Alex Margolin
Valentine Petrov
Ken Raffenetti

UCC BoF at SC 2020

As Gilad suggested there will be no separate submission from UCC.

UCC repo available

https://github.com/openucx/ucc
Code style : Follow UCX coding style
Need to explore scripts for compliance (clang based, astyle based)

Build system for UCC (GNU build tools vs cmake)

Strong preference to use GNU build system because of its familiarity
Need to explore 1) Does UCC need to support Windows in the near future? 2) If required, is GNU build system works well on windows?

UCC datatypes

Preference towards having a separate API and implementation rather than integrated with UCP
- No technical reason rather more of a convenience
How to treat user-defined datatypes? (Val to send out example pseudocode)
Add support for signed and unsigned ints
Support size based datatypes

UCC reduction ops

Please see the slides here [1]
Make user-defined operation as first op (It might enable some compiler optimizations)
Remove UNDEFINED and UNSUPPORTED operation types

References

[1] https://github.com/manjugv/ucc_wg_public/blob/master/slides/gorentla_ucc_wg_july_29.pdf