NCCL is a library that enables communication and collective operations across GPUs, primarily used to coordinate data exchange for distributed deep learning and High performance computing (HPC) workloads. Expanded Explanation 1. Technical Function and Core Characteristics NCCL stands for NVIDIA Collective Communication Library (CCL) and implements multi-GPU and multi-node communication primitives. It provides collective operations such as all-reduce, all-gather, reduce, broadcast, and

Term · Topic

NCCL

NCCL (NVIDIA Collective Communication Library) is a GPU-focused collective communication library used in distributed deep learning and high-performance computing, enabling optimized all-reduce and related operations across multi-GPU and multi-node systems in enterprise AI and simulation environments.

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curl -X POST https://mcp.decisioninsights.ai/api/mcp-public \
  -H "content-type: application/json" \
  -H "accept: application/json, text/event-stream" \
  -d '{"id":1,"jsonrpc":"2.0","method":"tools/call","params":{"arguments":{"slug":"nccl"},"name":"di_get_term"}}'

REST

GET https://api.decisioninsights.ai/api/public/v1/glossary/f1d7fcc3-7c99-45d9-9948-f77e4345fa7e

CLI

di get-glossary --slug nccl

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What the record lets an agent check before it uses the term in an answer.

The check	What the record shows	Where it is in the data
It's a known term	One entry, with its type (topic)	`name`
It sits in a glossary	Linked to Collective Communication Library, CUDA, NVLink, Compute Node Diagnostics	`inDefinedTermSet`

View the raw record (JSON-LD)

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