| # | |
| # Copyright (c) 2026 BEL ESPRIT D ACCORD TRUST HOLDINGS INC | |
| # All rights reserved. | |
| # xrex_unified — Unified Attention Kernel with Novel ALSC Cap Function | |
| # Supports: Pallas/Triton + Mosaic GPU backends | |
| # Cap methods: tanh, soft_sign, alsc (novel), none | |