Add the off-graph KV-cache cell layout to the neutral C++ layer - #21902

Merged

kiymetakdemir merged 6 commits into

pytorch:mainfrom

kiymetakdemir:kvcache-cell-faces

Aug 25, 2026

Commits on Aug 17, 2026

Add the off-graph KV-cache cell layout: faces, bookkeeping and windows
kiymetakdemir
committed
12796fa

Commits on Aug 20, 2026

Address the cell-layout review: window span, place_step, validation and a cpp split
kiymetakdemir
committed
6bac422
Tighten the cell test helpers and cover the untested verbs and lifecycle
kiymetakdemir
committed
c6ae103

Commits on Aug 21, 2026