gpu-container 0.1.0

Model-aware inference memory-placement planner for single-GPU rigs — profile, plan, prove.

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A GPU-enabled container exposes the device. A model-aware runtime decides what lives in VRAM, pinned RAM, and NVMe.

Run the largest useful local model your machine can honestly support, with explicit placement plans, benchmark receipts, and refusal when the plan would thrash.

Architecture

Windows / WSL2 / Linux host
  └─ GPU-enabled Docker container
      └─ Inference runtime
          ├─ VRAM: hot weights, active layers, activations, KV working set
          ├─ pinned RAM: CPU-offloaded weights, MoE experts, KV spill/reuse
          └─ NVMe: mmap shards, disk offload, cold experts, cold KV

Product Boundary

Docker         = packaging + GPU exposure
CUDA/runtime   = compute backend
Planner        = memory law
Inference engine = execution

Core Features

1. Hardware profiler — Detect VRAM, RAM, GPU type, WSL/native Linux, NVMe speed, CUDA availability
2. Model profiler — Detect dense vs MoE, largest layer, total weights, quantization, KV growth by context length
3. Runtime planner — Generate launch plans for llama.cpp, vLLM, Accelerate, TensorRT-LLM, or DeepSpeed-style offload
4. Placement receipt — Show what is in VRAM, what is in RAM, what is on disk, expected bottleneck, measured tokens/sec
5. MoE-specialized path — Keep always-active layers on GPU, route experts to CPU/RAM, NVMe for cold fallback
6. Routing de-risk — Measure whether a model's MoE routing is skewed enough that a per-expert cache would help, before building for it (gpu-container-concentration)
7. Rig-safety watchdog — Poll GPU power/temperature/VRAM + host memory against configurable thresholds; an AI agent or an autonomous loop aborts a run before it endangers the machine (gpu-container-watchdog)

Key Constraint

On Windows/WSL, CUDA Unified Memory oversubscription is not the path. CUDA treats Windows/WSL as limited unified-memory support — no fine-grained GPU page-fault migration, no GPU-memory oversubscription beyond physical VRAM. This product is explicit inference memory placement, not "Docker VRAM overflow."

Status

Built and working today: gpu-container-profile, gpu-container-plan, gpu-container-receipt (with the recalibration loop), gpu-container-concentration (routing de-risk), and gpu-container-watchdog (supervise a GPU job safely). llama.cpp is the integrated backend; the placement math is backend-agnostic. Start with the quickstart.

Privacy & safety

gpu-container is a local, offline tool — it makes no network calls and collects no telemetry, by default or otherwise. It reads GPU metrics (nvidia-smi / NVML) and host memory (psutil), the model config.json you supply, and the JSON files you point it at; it writes only to the output paths you specify. It does not read or transmit model weights, credentials, or tokens. Host-level actions (wsl --shutdown, docker stop, kill) run only when you explicitly opt in via the watchdog's --on-breach; the defaults never touch your machine beyond the job they supervise. Full policy: SECURITY.md.

Documentation

• docs/quickstart.md — end-to-end walkthrough: profile → plan → launch under the watchdog → receipt → recalibrate
• docs/cli.md — the five commands: synopsis, flags, exit codes, worked examples
• docs/architecture.md — memory-tier model, data flow, MoE expert routing, the recalibration loop
• docs/features.md — the seven core features in depth
• docs/moe-lane-architecture.md — the flagship MoE lane in depth
• docs/derisk-concentration.md — the per-expert-cache de-risk gate (routing concentration)
• docs/decisions/0001-per-expert-cache-build-vs-upstream.md — ADR-0001: consume the cache mechanism, contribute the policy
• docs/constraints.md — non-goals + the Windows/WSL CUDA Unified-Memory correction
• docs/prior-art.md — runtimes we orchestrate, and the gap this product fills
• docs/feasibility.md — feasibility assessment, research grounding, and what's confirmed live

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