Add wrapper functions for ncclGroupStart() and ncclGroupEnd() #742
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seunghwak
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ChuckHastings
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Jul 19, 2022
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#2413) Dependent on rapidsai/raft#742 Place multiple broadcast operations inside ncclGroupStart and ncclGroupEnd wrappers to improve performance. Authors: - Seunghwa Kang (https://github.com/seunghwak) Approvers: - Chuck Hastings (https://github.com/ChuckHastings) URL: #2413
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This PR adds group_start() and group_end() functions. These functions internally call ncclGroupStart() and ncclGroupEnd(), respectively.