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oneCCL Documentation 2021.16

About

Release Notes
Introduction

Get Started

Install oneCCL from Source
Build a Sample Application
Use oneCCL package from CMake

Developer Guide

Programming Model
- Host Communication
- Device Communication
General Configuration
- Execution of Communication Operations
- Transport Selection
Advanced Configuration

Developer Reference

oneCCL API
Environment Variables

Benchmark User Guide

oneCCL Benchmark Collective User Guide
oneCCL Benchmark Point-to-Point User Guide

Notices and Disclaimers

Notices and Disclaimers

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Release Notes

Release Notes#

Refer to oneAPI Collective Communications Library (oneCCL) Release Notes.

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Introduction

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Last updated: 07 July, 2025