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  • Release Notes
  • Installation Guide
  • Sample Application
  • Use oneCCL package from CMake

Developer Guide

  • Programming Model
    • Host Communication
    • Device Communication
    • Limitations
  • General Configuration
    • Execution of Communication Operations
    • Transport Selection
  • Advanced Configuration
    • Selection of Collective Algorithms
    • Low-precision Datatypes
    • Caching of Communication Operations
    • Prioritization of Communication Operations
    • Fusion of Communication Operations
    • Enabling OFI/verbs/dmabuf Support

Developer Reference

  • oneCCL API
    • Initialization
    • oneCCL Concepts
      • Communicator
      • Context
      • Device
      • Event
      • Key-value Store
      • Stream
    • Communication operations
      • Datatypes
      • Collective Operations
        • Allgatherv
        • Allreduce
        • Alltoall
        • Alltoallv
        • Barrier
        • Broadcast
        • Reduce
        • ReduceScatter
  • Environment Variables

Notices and Disclaimers

  • Notices and Disclaimers
  • Suggest edit
  • Open issue
  • .rst

Communication operations

Communication operations#

Refer to oneCCL specification for more details about communication operations.

  • Datatypes
  • Collective Operations
    • Allgatherv
    • Allreduce
    • Alltoall
    • Alltoallv
    • Barrier
    • Broadcast
    • Reduce
    • ReduceScatter
    • Operation Attributes

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