From 929646875d80408a21c642ca88ef70efbc0d736a Mon Sep 17 00:00:00 2001 From: Arthur Hanson Rasmusson Date: Tue, 6 Oct 2026 15:18:39 -0400 Subject: docs: add the GR compute-launch frontier page and align execution status across the tree New page docs/04-implementation/03-execution-frontier.md describes the chain that must fire for a guest CUDA launch (guest push -> GPFIFO/front-end -> inline launch-descriptor install -> engine read/dispatch -> completion), where the leading edge is (the descriptor install path), how we know (front-end vs engine-authored observables and their limits), what is exonerated (context validity at dispatch, destination window mapping, fetch alignment, shared-buffer rule, parenting), the ranked issues (verbatim prelude targets, missing descriptor-virtualization control, sentinel hygiene), live investigation lines and labelled theories. Align every page that still said GR execution is blocked on engine-context validity to the current frontier, and add the new page to the README reading order (row 15, later rows renumbered). Docs only; no code. --- docs/03-architecture/07-driver-lifecycle-field-guide.md | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'docs/03-architecture/07-driver-lifecycle-field-guide.md') diff --git a/docs/03-architecture/07-driver-lifecycle-field-guide.md b/docs/03-architecture/07-driver-lifecycle-field-guide.md index 3a85da6..ff886c6 100644 --- a/docs/03-architecture/07-driver-lifecycle-field-guide.md +++ b/docs/03-architecture/07-driver-lifecycle-field-guide.md @@ -185,6 +185,13 @@ push faults with an uncommitted GR context (`CTXNOTVALID`), and the the designed locked fail-safe (see [`08-physical-gpu-integration.md`](08-physical-gpu-integration.md) §7/§8). +**Update (2026-10-06):** the GR frontier has moved past the context-commit +stage. A forwarded guest CUDA launch now reaches the front-end (ring entry +fetched, methods executed) but the inline launch-descriptor install has not +been observed and no grid has dispatched; context validity at dispatch is ruled +out. See +[`../04-implementation/03-execution-frontier.md`](../04-implementation/03-execution-frontier.md). + **Log signatures (guest side):** ``` nvidia-uvm: ... Tracker entry for value N (sema VA 0x...) channel ID ... CE ... -- cgit v1.2.3