Module kernels 

Metal translation units shared by the engine and GPU tests.

Files are fragments, assembled at Rust compile time. Keep shared types and helpers before their users; no filesystem includes are needed at runtime. Each fragment gets its own filename/line numbers in diagnostics.

Macros

metal_library 🔒

Constants

BATCH_MSL 🔒

CLOCK_PROBE_MSL 🔒

Device diagnostic, compiled separately from model kernels.

FORWARD_MSL 🔒