Magnum IO components
NVIDIA Magnum IO is the data movement optimization stack for GPU applications:
| Component | Purpose |
|---|---|
| GPUDirect Storage (GDS) | Direct storage-to-GPU data path |
| GPUDirect RDMA | Direct GPU-to-GPU memory over IB/RoCE |
| NCCL | GPU collective communications (AllReduce, etc.) |
| UCX | High-performance communication framework |
| cuFile | GPU-optimized file I/O library (part of GDS) |