hccl-test

To benchmark HCCL performance across Ascend NPUs, use the provided scripts to orchestrate MPI operations like AllReduce and AllGather. The framework handles hostfile creation, MPI invocation, and result parsing for multi-node environments.

Required pre-flight checks for distributed HCCL tests include verifying SSH access, CANN version consistency, NPU health, and MPI environment readiness. These checks ensure reliable testing and standardize production workflows.

Yes, you can automate hostfile generation and MPI invocation for multi-node Ascend testing. The included scripts coordinate test orchestration, result parsing, and error handling to satisfy end-to-end production requirements.

The best way to validate Huawei HCCL functionality for production is using a repeatable framework that benchmarks distributed communication and standardizes testing workflows with comprehensive pre-flight validation and automated result parsing.

Yes, the framework supports testing HCCL operations including AllReduce, AllGather, AlltoAll, and ReduceScatter on Ascend NPUs. It provides production-ready workflows for benchmarking these distributed communication operations.

MPI orchestration is needed for HCCL benchmarking because it coordinates multi-node environments across Ascend NPUs, enabling synchronized execution of distributed communication tests and reliable result aggregation.