GPU terminology decoder ring

Here’s a decoder ring for all the proprietary terms for GPU components. Not all are direct equivalents due to architectural differences though.

NVIDIA	AMD	Intel
SM	CU	Xe Vector Engine, fka EU1
TPC	XCD, fka GCD	Xe Core, fka subslice1
GPC	?	?
Tensor core	Matrix core	Xe Matrix Engine
Thread	Work item/thread	Thread
Block	Workgroup
Warp	Wavefront	?
Grid	Grid

The AMD and NVIDIA decoder ring is inspired by Frontier’s User Guide.²

Footnotes

1. GPU Optimization Thread Mapping Occupancy (anl.gov) ↩ ↩²

2. Frontier User Guide — OLCF User Documentation (ornl.gov) ↩