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Unified Collective Communication, Version 0.1.0
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@manjugv manjugv released this 31 Aug 19:18
v0.1.0
f324a91
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This is an early release of the UCC API and its implementation. Major features in this release are detailed below.

Features

API

  • UCC API to support library, contexts, teams, collective operations, execution
    engine, memory types, and triggered operations

Core

  • Added implementation for UCC abstractions - library, context, team,
    collective operations, execution engine, memory types, and triggered
    operations
  • Added support for memory types - CUDA, and CPU
  • Added support for configuring UCC library and contexts

CL

  • Added support for collectives, while the source and destination is either in
    CPU or device (GPU)
  • Added support for UCC_THREAD_MULTIPLE
  • Added support for CUDA stream-based collectives

TL

  • Added support for send/receive based collectives using UCX/UCP as a transport
    layer
  • Support for basic collectives types including barrier, alltoall, alltoallv,
    broadcast, allgather, allgatherv, allreduce was added in the UCP TL
  • Added support using NCCL as a transport layer
  • Support for collectives types including alltoall, alltoallv, allgather,
    allgatherv, allreduce, and broadcast

Tests

  • Added support for unit testing (gtest) infrastructure
  • Added support for MPI tests
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