Files
nix/modules/nixos/services/llama-swap/setup-qwen36-vllm.sh
Evan Reichard 40114f438f feat(llama-swap): sync vLLM configs from club-3090, add evan API key
Sync all three vLLM model configs from club-3090 master (ae4846f).
Update to Genesis v7.65 full PROD env set with new patches.
Update docker image to nightly-7a1eb8ac. Add torch_compile and
triton cache dirs. Add agent setup guide (AGENTS.md).

Add 'evan' API key to llama-swap sops secrets.
2026-05-02 08:27:47 -04:00

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#!/usr/bin/env bash
# Setup script for vLLM Qwen3.6-27B on a single 3090.
#
# Downloads the model, clones Genesis patches (pinned), applies setup-time
# source patches to the Genesis tree, and fetches all boot-time sidecar
# patches into place under /mnt/ssd/vLLM/.
#
# Idempotent — safe to re-run; skips steps already completed.
#
# Prerequisites: git (with git-lfs), docker, python3
set -euo pipefail
MODEL_DIR="/mnt/ssd/vLLM/Models"
MODEL_SUBDIR="qwen3.6-27b-autoround-int4"
PATCHES_DIR="/mnt/ssd/vLLM/Patches"
CACHE_DIR="/mnt/ssd/vLLM/Cache"
GENESIS_DIR="${PATCHES_DIR}/genesis"
# Pin Genesis to the validated commit (bump requires re-testing all composes)
GENESIS_PIN="${GENESIS_PIN:-fc89395}"
TOLIST_PATCH="${PATCHES_DIR}/patch_tolist_cudagraph.py"
WORKSPACE_LOCK_PATCH="${PATCHES_DIR}/patch_workspace_lock_disable.py"
PN25_REGISTER_PATCH="${PATCHES_DIR}/patch_pn25_genesis_register_fix.py"
PN30_DST_PATCH="${PATCHES_DIR}/patch_pn30_dst_shaped_temp_fix.py"
PR40798_PATCH="${PATCHES_DIR}/patch_pr40798_workspace.py"
TIMINGS_PATCH="${PATCHES_DIR}/patch_timings_07351e088.py"
TIMINGS_PATCH_URL="${TIMINGS_PATCH_URL:-https://gitea.va.reichard.io/evan/nix/raw/branch/master/modules/nixos/services/llama-swap/patches/patch_timings_07351e088.py}"
# Base URL for sidecar patches (club-3090 repo)
PATCH_BASE_URL="https://raw.githubusercontent.com/noonghunna/club-3090/master/models/qwen3.6-27b/vllm/patches"
# ---------- Preflight Checks ----------
for cmd in git git-lfs curl python3; do
if ! command -v "$cmd" &>/dev/null; then
echo "ERROR: '$cmd' not found in PATH." >&2
exit 1
fi
done
# ---------- Create Directories ----------
echo "Creating directories..."
mkdir -p "${MODEL_DIR}" "${PATCHES_DIR}" "${CACHE_DIR}/torch_compile" "${CACHE_DIR}/triton"
# ---------- Download Model ----------
if [ -d "${MODEL_DIR}/${MODEL_SUBDIR}/.git" ]; then
echo "Model already cloned at ${MODEL_DIR}/${MODEL_SUBDIR}, skipping."
else
echo "Cloning Lorbus/Qwen3.6-27B-int4-AutoRound (with LFS)..."
git clone https://huggingface.co/Lorbus/Qwen3.6-27B-int4-AutoRound \
"${MODEL_DIR}/${MODEL_SUBDIR}"
echo "Model cloned."
fi
# ---------- Clone / Pin Genesis Patches ----------
if [ -d "${GENESIS_DIR}/.git" ]; then
echo "Genesis already cloned — fetching + checking out ${GENESIS_PIN} ..."
(cd "${GENESIS_DIR}" && git fetch origin && git checkout "${GENESIS_PIN}" 2>&1 | tail -3)
else
echo "Cloning Genesis patches at ${GENESIS_PIN} ..."
git clone https://github.com/Sandermage/genesis-vllm-patches "${GENESIS_DIR}"
(cd "${GENESIS_DIR}" && git checkout "${GENESIS_PIN}")
fi
# Sanity Check — v7.14+ layout
if [[ ! -d "${GENESIS_DIR}/vllm/_genesis" ]]; then
echo "ERROR: genesis tree at ${GENESIS_PIN} missing vllm/_genesis package." >&2
echo " Re-run with GENESIS_PIN=<other-ref> to try a different version." >&2
exit 1
fi
echo "Genesis pinned to ${GENESIS_PIN} ($(cd "${GENESIS_DIR}" && git rev-parse --short HEAD))"
# ---------- Download Sidecar Patches ----------
# Fetched from club-3090 repo so this script is self-contained.
download_patch() {
local dest="$1"
local filename
filename="$(basename "$dest")"
if [ -f "${dest}" ]; then
echo "Patch ${filename} already present, skipping."
else
echo "Downloading ${filename}..."
curl -fsSL "${PATCH_BASE_URL}/${filename}" -o "${dest}"
echo "Patch ${filename} written."
fi
}
download_patch "${TOLIST_PATCH}"
download_patch "${WORKSPACE_LOCK_PATCH}"
download_patch "${PN25_REGISTER_PATCH}"
download_patch "${PN30_DST_PATCH}"
download_patch "${PR40798_PATCH}"
# ---------- Apply Setup-Time Genesis Source Patches ----------
# These modify the Genesis checkout in-place. The Genesis tree is mounted
# read-only into the container, so these MUST run at setup time, not boot.
# The setup-time patches use hardcoded relative paths like
# "models/qwen3.6-27b/vllm/patches/genesis/vllm/_genesis/..."
# rooted at the club-3090 repo root. Our Genesis clone lives at
# ${PATCHES_DIR}/genesis, so we create a temporary symlink tree
# so the relative paths resolve correctly.
PATCH_WORKDIR="$(mktemp -d)"
mkdir -p "${PATCH_WORKDIR}/models/qwen3.6-27b/vllm/patches"
ln -sfn "${GENESIS_DIR}" "${PATCH_WORKDIR}/models/qwen3.6-27b/vllm/patches/genesis"
# PN25 Worker-Spawn Registration Fix
# Registers the PN25 opaque op at module import time instead of inside
# the compiled forward path. Required for TP=1 spawned workers.
if [ -f "${PN25_REGISTER_PATCH}" ]; then
echo "Applying PN25 genesis register fix to Genesis tree..."
(cd "${PATCH_WORKDIR}" && python3 "${PN25_REGISTER_PATCH}") || {
echo "WARN: PN25 register fix did not apply cleanly. PN25 may not work in workers." >&2
}
fi
# PN30 DS Conv-State Dst-Shaped Temp Fix
# Corrects DS layout corruption in PN30's speculative decode path by
# building a destination-shaped temp instead of compacting source tail.
if [ -f "${PN30_DST_PATCH}" ]; then
echo "Applying PN30 dst-shaped temp fix to Genesis tree..."
(cd "${PATCH_WORKDIR}" && python3 "${PN30_DST_PATCH}") || {
echo "WARN: PN30 dst-shaped temp fix did not apply cleanly. DS layout may not work." >&2
}
fi
# Clean Up Symlink Workdir
rm -rf "${PATCH_WORKDIR}"
# ---------- Download Timing Patch ----------
tmp_timings_patch="$(mktemp)"
trap 'rm -f "${tmp_timings_patch}"' EXIT
echo "Downloading patch_timings_07351e088.py from this repo..."
curl -fsSL "${TIMINGS_PATCH_URL}" -o "${tmp_timings_patch}"
if [ -f "${TIMINGS_PATCH}" ] && cmp -s "${tmp_timings_patch}" "${TIMINGS_PATCH}"; then
echo "Timing patch already current at ${TIMINGS_PATCH}, skipping."
else
echo "Installing timing patch to ${TIMINGS_PATCH}..."
install -m 0644 "${tmp_timings_patch}" "${TIMINGS_PATCH}"
echo "Timing patch installed."
fi
# ---------- Summary ----------
echo ""
echo "=== Setup Complete ==="
echo " Model: ${MODEL_DIR}/${MODEL_SUBDIR}"
echo " Genesis: ${GENESIS_DIR} (pinned: ${GENESIS_PIN})"
echo " Cache: ${CACHE_DIR}/{torch_compile,triton}"
echo ""
echo "Expected layout:"
echo " /mnt/ssd/vLLM/"
echo " ├── Models/"
echo " │ └── qwen3.6-27b-autoround-int4/ (model weights)"
echo " ├── Cache/"
echo " │ ├── torch_compile/ (torch.compile cache)"
echo " │ └── triton/ (Triton kernel cache)"
echo " └── Patches/"
echo " ├── genesis/ (Genesis v7.65 @ ${GENESIS_PIN})"
echo " │ └── vllm/_genesis/ (mounted into container, PN25+PN30 applied)"
echo " ├── patch_tolist_cudagraph.py (boot-time: cudagraph capture fix)"
echo " ├── patch_workspace_lock_disable.py (boot-time: v0.20 WorkspaceManager lock workaround)"
echo " ├── patch_pn25_genesis_register_fix.py (setup-time: applied to Genesis tree)"
echo " ├── patch_pn30_dst_shaped_temp_fix.py (setup-time: applied to Genesis tree)"
echo " ├── patch_pr40798_workspace.py (PR40798 workspace fix)"
echo " └── patch_timings_07351e088.py (boot-time: llama.cpp-compatible timings)"