Replace the retired CIRU ROCmFPX runtime with upstream llama.cpp PR #27342 DFlash2 on the Vulkan backend: - Target: unsloth Qwen3.8-27B-UD-Q8_K_XL.gguf (31.4 GB, already on disk) - Drafter: z-lab Qwen3.8-27B-DFlash2-Q4_K_M.gguf (block size 8, top-k 16) - Runtime: /home/dank/llama.cpp-dflash2/build-dflash2/bin/llama-server (GGML_VULKAN=ON; HIP lacks TOP_K so the stack runs on Vulkan0/RADV) - spec: --spec-type draft-dflash --spec-draft-n-max 8 (clamps to 7) Validated 2026-08-21 on scratch port 52626: mean acceptance 5.27, health + reasoning completion OK. Archive the retired CIRU .env/.serve script in .AGENTTRASH. Update deployment.md, index.md, AGENTS.md; add docs/dflash2-large-vulkan.md.
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vLLM Scripts — Knowledge Base
Documentation for the LLM inference fleet on two local machines (2026-08-21): upstream llama.cpp on Dankserver (frank-default-small) and upstream llama.cpp PR #27342 DFlash2 on Dankclaw (frank-default-large).
Deployment Topology
graph LR
subgraph Dankserver[NVIDIA Dankserver - Ubuntu 24.04]
A[RTX 3090 24GB + 62GB RAM]
B[upstream llama.cpp b10121
frank-default-small, port 7770]
C[Qwen3.6-35B-A3B-Uncensored Q6_K_P
ngram-mod, 36 MoE experts on CPU, 700K ctx]
A --> B --> C
end
subgraph Dankclaw[AMD Strix Halo - Ubuntu 26.04]
D[gfx1151 iGPU 64 GiB unified memory]
E[upstream llama.cpp PR #27342 DFlash2, Vulkan
frank-default-large, port 52625]
F[unsloth Qwen3.8-27B-UD-Q8_K_XL +
z-lab Qwen3.8-27B-DFlash2-Q4_K_M drafter
262K ctx / 1 slot, DFlash2 spec]
D --> E --> F
end
I[LLM Clients / API] -->|HTTP :7770| B
I -->|HTTP :52625| E
Servers
| Server | GPU | VRAM / Memory | OS |
|---|---|---|---|
| Dankserver System Specs | NVIDIA RTX 3090 | 24 GB VRAM, 62 GB RAM | Ubuntu 24.04 |
| Dankclaw System Specs | AMD Radeon 8060S (Strix Halo) | gfx1151 unified memory | Ubuntu 26.04 |
Active Deployment
- deployment — deploy and update process for both servers
- frank-redo-2026-08-17 — the 2026-08-17 topology change
- dflash2-large-vulkan — the DFlash2 runtime on Dankclaw (frank-default-large, Vulkan)
- Dankserver — the upstream llama.cpp box (frank-default-small)
- Dankclaw — the DFlash2 Vulkan box (frank-default-large)
DFlash2 Reference (Dankclaw)
- dflash2-large-vulkan — DFlash2 model, Vulkan build, build runbook, and the frank-default-large service
CIRU Reference (retired)
- ciru-activefpx-promptforge — the retired CIRU ROCmFPX runtime (archived in .AGENTTRASH, 2026-08-21)
vLLM Reference (historical)
- VLLM Overview — installation, CLI, API, architecture, quantization, parallelism
- VLLM Index — quick reference with commands, endpoints, and parameter table
- Running Qwen3.6 35B A3B FP8 on Dankserver — Qwen3.6-35B-A3B hardware notes and sizing (the model family now served by frank-default-small as Q6_K_P)
Memory Management
- RAM CPU Offloading in VLLM — KV cache swap between GPU VRAM and system RAM
- Hybrid CPU GPU Processing Dankserver — NVIDIA GPU compute with system RAM offload
- Shared Memory Architecture Dankclaw — AMD unified memory and ROCm configuration
Retired Topology (2026-08-17 redo)
- Qwen3.8 PP Deployment — the retired pipeline-parallel head + worker
- qwen3.8-spec-matrix — Qwen3.8-27B spec history (superseded by FastMTP)
- FastFlowLM NPU Inference — the retired FastFlowLM NPU endpoint
- frank-default-large-benchmark — backend/spec benchmark behind the old head
- dankserver-vram-growth — VRAM/RAM growth behind the retired cuBLAS crash
- DFlash DSpark Speculative Decoding — retired DFlash/DSpark drafting
- Quantization by Hardware Architecture — which quant format fits which GPU/CPU
Pipeline Parallelism (archive)
- Pipeline Parallelism — index of multi-node inference research. The PP pair is retired; these pages are research history.
Sibling projects
- serverAppConfigs — the Podman app
stack on the same two hosts. Its OpenWebUI consumes the
:7770endpoint on Dankserver; its Gitea instance hosts this repository.