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diff --git a/docs/README.md b/docs/README.md index b423762..95ef85c 100644 --- a/docs/README.md +++ b/docs/README.md @@ -98,7 +98,7 @@ and [`01-orientation/02-the-ai-edge-and-ecosystem.md`](01-orientation/02-the-ai- ## 3. Where is the project today? -**Honest status (2026-10-02):** +**Honest status (2026-10-30):** A dated snapshot of this status, refreshed on every progress check, is kept at [`../STATE-CURRENT.md`](../STATE-CURRENT.md). @@ -111,28 +111,30 @@ A dated snapshot of this status, refreshed on every progress check, is kept at | GSP-RM controls: device/fb/bus tables, CE caps, vaspace, GMMU static info | 🟡 Mostly — the engine inventory now includes the async copy engine and the CE capabilities match the device; reply fidelity for the remaining consumed fields is still being tightened | | Guest `nvidia.ko` probe, `nvidia-smi` | ✅ Working (TU104) | | Guest CUDA driver (`libcuda`) startup | ✅ Driver-API baseline — `cuInit`, device enumeration, `cuCtxCreate`, `cuMemAlloc`, copies, free and destroy complete end to end; the smoke test prints `ALL OK` and the 64-byte payload round-trips exactly (64/64, re-verified 2026-10-02 on the current build). See [`04-implementation/01-known-knowns-and-unknowns.md`](04-implementation/01-known-knowns-and-unknowns.md) and [`../userspace/cuda/READ-ME-FIRST.md`](../userspace/cuda/READ-ME-FIRST.md) | -| CUDA kernel execution | 🟡 A stock guest program now reaches its kernel launch and submits it through the forwarding path; the front-end fetches the ring entry and executes methods, but the inline launch-descriptor (QMD) install has not been observed and no grid has dispatched yet. Context validity at dispatch is ruled out; the frontier is the launch method-stream form. Copy-engine-class work, its releases and its fault relay remain forwarded (parameters default off). See [`04-implementation/03-execution-frontier.md`](04-implementation/03-execution-frontier.md) and [`03-architecture/11-physical-backend-guest-wiring.md`](03-architecture/11-physical-backend-guest-wiring.md) | -| OpenGL / Vulkan | 🔴 Not yet | -| Windows guest | 🔴 Not yet | -| Multi-tenant isolation (VFs, mdev-per-VM) | 🟡 Designed, partially implemented | - -We also know exactly where the CUDA bring-up stands and what the next step is: -the userspace `libcuda` segfault was fixed (an RM allocation reply now echoes -the request parameters instead of returning zeros), the engine inventory is -complete, and the driver-API smoke test now completes end to end — `cuCtxCreate` -returns and the 64-byte payload round-trips exactly (64/64, re-verified -2026-10-02 on the current build). The full -mechanism, with offsets and the decompiled call path, is in +| CUDA kernel execution | ✅ Working — verified guest clients execute kernels on the physical GPU with engine-authored completions relayed to the guest: the vector-add (`VADD n=32768 bad=0`), matrix-multiply (`MATMUL n=256 bad=0`) and transformer (`dh=256 seq=64 bad=0`, `FFN4 layers=4 bad=0`) clients print `STATUS OK` on fresh boots, and `vecadd_loop` passes 100 launches. Remaining: the staged-transfer class (some large multi-chunk clients still mis-verify; failure modes proven), the every-boot acceptance campaign, and per-guest execution isolation. See [`04-implementation/03-execution-frontier.md`](04-implementation/03-execution-frontier.md) and [`03-architecture/11-physical-backend-guest-wiring.md`](03-architecture/11-physical-backend-guest-wiring.md) | +| OpenGL (3D graphics) | 🟡 In progress — the X server and GLX run on the emulated vGPU with the stock driver; the engine executes real GL method streams (verbatim 3D replay and synthesized launches); a direct GL client creates its channels and its readback path returns clean. Rendered (non-black) frames are the frontier. See [`04-implementation/05-graphics-execution-plan.md`](04-implementation/05-graphics-execution-plan.md) | +| Vulkan | 🟡 In progress — the guest Vulkan pipeline runs end to end on the emulated vGPU (device, allocation, pipeline, command buffer, fence, queue submit, readback); frames are still black — program delivery and program-VA mapping are the frontier | +| Windows guest | 🔴 Not yet (target) | +| Multi-tenant isolation (mdev per VM) | 🟡 Two mediated devices with different emulated VRAM sizes and two guests coexist; per-guest execution isolation for simultaneous CUDA guests is in progress | + +Guest CUDA now executes on the physical GPU: the driver-API path completes end +to end, forwarded launches reach the engine, the grid dispatches, the engine +authors the completion and the host relays it, and the guest's synchronisation +waits resolve (verified with vector-add, matrix-multiply and transformer +clients on fresh boots). The mechanism, with offsets and the decompiled call +path, is in [`../userspace/cuda/docs/05-570.144-decompilation.md`](../userspace/cuda/docs/05-570.144-decompilation.md). -The remaining frontier is guest-facing execution. Copy-engine-class copies and -their releases are forwarded to real hardware with release relay and fault -relay in place (parameters default off). For GR (graphics/compute), the guest -now reaches and submits a real kernel launch: the ring entry is fetched and -front-end methods execute, but the inline launch-descriptor install has not -been observed and no grid has dispatched yet. The wall is the form of the -forwarded launch method stream — not context validity, which is ruled out at -dispatch. The chain, the evidence and the live investigation lines are in -[`04-implementation/03-execution-frontier.md`](04-implementation/03-execution-frontier.md). +The remaining CUDA work is breadth and hardening: the staged-transfer class +(some large multi-chunk clients still mis-verify; the failure modes are +proven), the every-boot acceptance campaign, and per-guest execution isolation +for simultaneous guests. Graphics shares the same submission machinery and is +the other active frontier: the X server and GLX run on the emulated vGPU, the +engine executes GL method streams, and the guest Vulkan pipeline runs end to +end — rendered (non-black) pixels are the wall. The chain, the evidence and the +live investigation lines are in +[`04-implementation/03-execution-frontier.md`](04-implementation/03-execution-frontier.md) +and +[`04-implementation/05-graphics-execution-plan.md`](04-implementation/05-graphics-execution-plan.md). The backend, a module-owned GPU running its real GSP firmware as the resource-manager server, is specified in [`03-architecture/08-physical-gpu-integration.md`](03-architecture/08-physical-gpu-integration.md); |