Frank
6bccff3cd2
The template was staged in the working tree (then stashed by a peer for the prometheus deploy) but never committed, so the live container kept serving /patches/qwen-fixed-v22.3.jinja. Commit the repo-tracked template and flip the quadlet: CHAT_TEMPLATE now points at it, mounted read-only at /templates/qwen-sharp-v22.4.0.jinja. The entrypoint already passes --chat-template on the shared exec path, so this applies to the FP8 shape. Rollback: one env flip back to /patches/qwen-fixed-v22.3.jinja.
171 lines
9.3 KiB
INI
171 lines
9.3 KiB
INI
# Quadlet unit: frank-medium (rootless, boot-persistent).
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#
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# Install path on dankserver: ~/.config/containers/systemd/frank-medium.container
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# Unit name: frank-medium.service (container name: frank-medium)
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#
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# The dankserver LLM endpoint (:7770, alias frank-medium) since 2026-09-20:
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# the vllm-radiance stack (stilldeadcode/vllm-radiance:0.9.3 image) serving
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# orcarouter/Qwen3.8-27B-Uncensored-FP8 (FP8 E4M3 block-wise, 128x128,
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# dynamic activation quantization) on the 2x Radeon AI PRO R9700 (gfx1201)
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# as ONE tensor-parallel process (TP=2, R4D one-shot all-reduce) with MTP
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# self-speculation (SPEC=8, the model's own single-layer MTP head).
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# The entrypoint is QUANTIZATION-AWARE: it reads the model's weight
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# quantization from config.json and serves the plain FP8 path (no MXFP4
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# patches, --quantization=fp8, ROCM_AITER unified attention) or the MXFP4
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# patch-and-serve path (the DFlash2 drafter). A model swap is now: change
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# SNAP (+ SPEC_METHOD/SPEC), restart. The MXFP4 checkpoint
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# (just1moremodel/Qwen3.8-27B-Uncensored-MXFP4-awq) remains on disk as the
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# rollback target.
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#
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# SHAPE. The launcher the upstream repo ships binds the server with
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# --network=host (vLLM takes --host 0.0.0.0 --port 7770 directly), which is
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# what this unit does too — no PublishPort. The fleet contract is unchanged:
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# :7770, served model name frank-medium (SERVED_NAMES), OpenAI /v1.
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#
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# TP=2 IS INSTALLABLE HERE NOW, and it won on measurement. Until 2026-09-20
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# this unit was archived un-installed because the second card sat behind B650
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# chipset bridges advertising `AtomicOpsCap: Routing-`, which stopped RCCL
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# kernel dispatch. The board swap (ProArt B850-Creator WiFi NEO) put both
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# cards on CPU GPP root ports — Gen5 x8 each, every bridge Routing+, both
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# endpoints ReqEn+ — and the collective-free R4D path runs at TP=2 without
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# complaint. The conversation battery (scripts/bench-conversation.py, salted,
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# same 10 prompts, 2026-09-20) measured this shape against the incumbent:
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# decode geomean 95.8 t/s vs 45.7, mean TTFT 0.21 s vs 0.72 s, and 259 t/s
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# aggregate against 4 concurrent streams vs 71.7. Evidence and the llama-side
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# caveats: serverAppConfigs-docs/LLM/frank-medium-radiance-mxfp4.md and
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# Dual-R9700-Cooperation.md.
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#
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# DEVICES. /dev/kfd + /dev/dri through the amdgpu/KFD stack; HIP/ROCR device
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# indices 0,1 (the two R9700s). The 2 GiB Raphael iGPU enumerates as index 2
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# and is excluded both by the index pin and by the upstream MIN_GPU_MIB=8192
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# logic this unit replaces. --privileged --ipc=host --security-opt
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# seccomp=unconfined --cap-add SYS_PTRACE is the upstream launcher's exact
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# podman posture.
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#
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# MOUNTS. /models (rw checkpoints), the HF cache (tokenizer files),
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# /cache (Triton/inductor/aiter/vLLM compile cache — first start compiles for
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# several minutes, later starts reuse), /patches (the pinned radiance clone —
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# its patches are applied at EVERY container start by the entrypoint), /r4d
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# (the patched libr4d build; the image's shipped r4d.so NaNs the
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# gated-delta-net and must never be used), and the entrypoint + healthcheck
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# scripts and the chat template from this checkout (mounted read-only
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# straight out of /home/dank/serverAppConfigs — deploy.sh git-pulls the
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# checkout before dispatching).
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#
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# IMAGE. The unit runs the localhost/-aliased tag: this host's podman quadlet
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# path cannot resolve registry-prefixed refs from local storage at create
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# time (same as frank-large on dankclaw). deploy-remote.sh pulls the
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# docker.io ref and re-tags it before the restart. Pull=never keeps boots off
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# the registry.
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#
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# KEEP IN SYNC: the radiance clone is pinned (97353293...); if it is updated,
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# re-diff dankserver/frank-medium/radiance-entrypoint.sh against the new
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# serve-mxfp4.sh container command and bump the pin deliberately.
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#
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# DO NOT name an environment variable TEMP, HOST or GPU_MAX_HEAP_SIZE: the
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# HIP runtime reads bare TEMP for its JIT cache path (2026-08-13 incident).
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[Unit]
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Description=frank-medium — vllm-radiance FP8 Qwen3.8-27B-Uncensored on 2x R9700 (gfx1201)
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After=network-online.target
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[Container]
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ContainerName=frank-medium
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Image=localhost/radiance-vllm:0.9.3
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# vLLM binds 0.0.0.0:7770 on the host network directly; no PublishPort.
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AddDevice=/dev/kfd
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AddDevice=/dev/dri
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GroupAdd=keep-groups
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# The upstream launcher's exact podman posture (rootless; podman-only flags
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# like --replace are not needed under systemd management).
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PodmanArgs=--privileged --ipc=host --security-opt seccomp=unconfined --cap-add SYS_PTRACE --network=host
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# The two R9700s. The Raphael iGPU (index 2, 2 GiB) stays out: shared system
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# memory is not a compute target.
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Environment=ROCR_VISIBLE_DEVICES=0,1
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Environment=HIP_VISIBLE_DEVICES=0,1
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# The FP8 checkpoint carries its own single-layer MTP head (mtp.layers.0),
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# so MTP self-speculation needs no external drafter and no fp8_mtp.py
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# rewrite step. The MXFP4 checkpoint (rollback) ships its fp8 MTP head too.
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# Chat template: the Qwen-Sharp variant (froggeric v22.4.0) — the terse
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# system prompt (opt out per-request with chat_template_kwargs {"terse":
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# false}), message.reasoning support (vLLM's thinking field), and the
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# tightened tool-call rendering. The predecessor (qwen-fixed-v22.3.jinja in
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# the /patches clone) remains there as the rollback target: flip CHAT_TEMPLATE.
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Environment=SNAP=/models/Qwen3.8-27B-Uncensored-FP8
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Environment=DRAFTER=/models/Qwen3.8-27B-DFlash2-FP8
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Environment=CHAT_TEMPLATE=/templates/qwen-sharp-v22.4.0.jinja
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# Fleet identity: the id at /v1/models and in every response body. Every
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# client (Hermes, the harness, services.json) points at frank-medium.
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Environment=SERVED_NAMES=frank-medium
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Environment=PORT=7770
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# Fixed 2-card tensor parallel: the tested configuration of the upstream
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# repo; the R4D one-shot all-reduce kernel serves it natively.
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Environment=TP=2
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# Measured production batch shape (upstream README): MAXSEQS 8 peaks
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# aggregate throughput at 573 t/s; MAXLEN is the model's native context.
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Environment=MAXSEQS=8
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Environment=CHUNK=8192
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Environment=MAXLEN=262144
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# MAXLEN is the whole pool shared across the MAXSEQS slots: 8 concurrent
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# sessions split 262,144 tokens between them, so a full-window request
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# excludes the others until it finishes (vLLM preempts rather than refuses).
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# The llama deployment it replaced advertised 327,680 across 2 slots.
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#
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# TEXT ONLY. The MXFP4 checkpoint carries language_model_only=true and the
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# launcher loads no vision projector, so an input_audio/image request is a
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# 400 here. Vision traffic routes to frank-small on dankclaw (harness
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# modelRoles vision -> frank-small).
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Environment=GPU_UTIL=0.98
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# Speculative decoding: DFlash2 external drafter at depth 7. A/B tested
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# against MTP self-speculation (depth 8) on this FP8 checkpoint: DFlash2
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# wins on decode (100.0 vs 85.9 t/s geomean, 287.1 vs 179.7 t/s burst-4)
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# despite a lower accept length (4.24 vs 5.66) — the small separate drafter
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# steps faster than the target's own MTP layer applied autoregressively.
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Environment=SPEC_METHOD=dflash
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Environment=SPEC=7
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# KV cache: 0 = profile the shape (the documented plain-FP8 path's default;
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# the upstream docker-compose leaves the pin commented out). The measured pin
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# for this shape is 15989735424 (14.89 GiB, upstream, 2x R9700 32GB); after
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# the first healthy start, recalibrate with calibrate-kv.sh to use the extra
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# VRAM on the 34.2 GiB cards.
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Environment=KV_MEM=0
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# Checkpoints (rw: nothing downloads at runtime, but vLLM mmaps the shards;
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# keep parity with the launcher's rw mount).
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Volume=/home/dank/models:/models
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# Tokenizer files ride the HF cache; HF_HUB_OFFLINE=1 is set in the
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# entrypoint.
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Volume=/home/dank/.cache/huggingface:/root/.cache/huggingface
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# Compile cache. Keyed on model + stack version + every graph-changing knob;
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# never share it across configurations (upstream rule).
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Volume=/home/dank/.radiance-cache-w4a8-093-gdnm-nqft-fp8s-gnq:/cache
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# The pinned radiance clone: patches applied at every container start.
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Volume=/home/dank/GitPackages/radiance-vllm-mxfp4:/patches:z
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# The patched libr4d (pin b9e42ab + repo extras, key b9e42ab-rx6). The
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# image's shipped r4d.so predates the GDN overflow fix and NaNs this model.
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Volume=/home/dank/.cache/radiance-libr4d/b9e42ab-rx6:/r4d:z
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# Entrypoint + healthcheck from this checkout, mounted read-only.
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Volume=/home/dank/serverAppConfigs/dankserver/frank-medium/radiance-entrypoint.sh:/usr/local/bin/frank-medium-entrypoint.sh:ro
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Volume=/home/dank/serverAppConfigs/dankserver/frank-medium/frank-medium-healthcheck.py:/usr/local/bin/frank-medium-healthcheck.py:ro
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Volume=/home/dank/serverAppConfigs/dankserver/frank-medium/qwen-sharp-v22.4.0.jinja:/templates/qwen-sharp-v22.4.0.jinja:ro
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# The entrypoint must be the container command; the image's own entrypoint
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# (which the patched script execs at the end) must not run unpatched.
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PodmanArgs=--entrypoint /usr/local/bin/frank-medium-entrypoint.sh
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# 200 only once the engine serves; during first-start compilation the
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# container is legitimately unhealthy. HealthCmd is split on spaces into an
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# argv array by the podman 5.x v1 generator, hence the file-based probe.
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HealthCmd=python3 /usr/local/bin/frank-medium-healthcheck.py
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HealthInterval=60s
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HealthTimeout=30s
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HealthRetries=3
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HealthStartPeriod=1800s
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Pull=never
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[Service]
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# First start compiles Triton/inductor kernels (several minutes) before the
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# engine loads ~9.5 GiB of weights per card.
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TimeoutStartSec=1800
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Restart=on-failure
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RestartSec=10
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[Install]
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WantedBy=default.target
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