frank-large: Q4_K_XL payload + 4 x 163840 sessions (f16 KV)
Frank's call. Payload: ajgazin's abliterated Swift-1.5 UD-Q8_K_XL (29.3 GiB, SWIFT OPEN LICENSE) -> unsloth/Qwen3.8-27B-GGUF UD-Q4_K_XL (16.35 GiB, sha256 3f227079...b01e, vanilla/Apache-2.0). NOTE: the endpoint is no longer uncensored — that was one of the reasons for the Swift payload on 2026-09-28. New fetcher scripts/download-frank-large-q4.sh (no auth header: repo is public and ungated; size + sha256 verified after transfer). The speculative drafter and its fetcher are unchanged. Shape: --sessions 4 --context 163840 with unquantized KV. gufo exposes no KV quantization lever (execution_policy.hpp pins kv_cache_storage to kFp16), so f16 is inherent. KV arithmetic: f16 KV = 64 KiB/token (16 full-attention layers x 4 KV heads x 256 head_dim x 2 x 2B; the other 48 layers are linear-attention with a per-sequence fp32 state). 4 x 163840 = 655,360 tokens = 40.0 GiB KV, each session exactly 10 GiB. Budget ~62 GiB of the 114 GiB GTT. Seam retargeted (FETCH -> the q4 script, TARGET_STUB, context/sessions pins).
This commit is contained in:
Frank
Executable
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#!/usr/bin/env bash
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# Download the Q4_K_XL frank-large payload on Dankclaw:
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# unsloth/Qwen3.8-27B-GGUF -> Qwen3.8-27B-UD-Q4_K_XL.gguf
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#
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# bash scripts/download-frank-large-q4.sh
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# bash scripts/download-frank-large-q4.sh --verify-only
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#
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# Integrity: the file is checked against its declared byte count and sha256
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# (the LFS oid from the Hub tree API, 2026-10-01). NO AUTH HEADER IS USED:
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# the repo is public and ungated (gated: false), and a token on the curl
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# command line is world-readable via /proc/<pid>/cmdline. If this ever needs
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# a token, put it in a mode-600 file and pass it with `curl -K`.
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#
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# Layout after a successful run (MODEL_DIR):
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# Qwen3.8-27B-UD-Q4_K_XL.gguf 17559178144 (16.35 GiB)
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#
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# WHY Q4 AND NOT THE Q8 SWIFT PAYLOAD: this is the vanilla (non-abliterated)
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# Qwen3.8-27B at UD-Q4_K_XL, ~13 GiB smaller than the Swift UD-Q8_K_XL. Every
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# GiB of weights saved is a GiB of f16 KV the endpoint can hold instead: the
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# KV costs 64 KiB/token (16 full-attention layers x 4 KV heads x 256 head_dim
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# x 2 (K,V) x 2 B), so 4 sessions x 163840 ctx = 640,000 tokens = 39.06 GiB.
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#
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# The speculative drafter is UNCHANGED and still fetched by its own script
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# (scripts/download-frank-large.sh, z-lab's Hub repo). That name must not
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# appear here at all — the frank-large seam greps THIS file for it to prove
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# the drafter was not folded into the payload fetch.
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#
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# NOTE ON MTP: this payload has no baked-in MTP head (the Hub repo ships one
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# separately as MTP/mtp-Qwen3.8-27B-Q4_0.gguf). frank-large does not need it —
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# spec decode here is the block-diffusion drafter, not MTP.
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set -euo pipefail
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MODEL_DIR="/home/dank/models/Qwen3.8-27B-UD-Q4_K_XL"
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REL="Qwen3.8-27B-UD-Q4_K_XL.gguf"
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SIZE=17559178144
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SHA=3f227079003add2511437e5b1e94812e363385225bf6a9b47b0054a72bc8b01e
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URL="https://huggingface.co/unsloth/Qwen3.8-27B-GGUF/resolve/main/${REL}"
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mode="download"
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[[ "${1:-}" == "--verify-only" ]] && mode="verify"
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if [[ "$mode" == "download" ]]; then
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mkdir -p "$MODEL_DIR"
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if [[ -s "$MODEL_DIR/$REL" ]]; then
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echo "already present: $MODEL_DIR/$REL"
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else
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echo "fetching $REL (17559178144 bytes) — this is ~16.4 GiB"
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# -f so an HTTP error is a failure, not a 153-byte "artifact".
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# -C - so an interrupted run resumes instead of restarting.
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curl -fL -C - --retry 5 --retry-delay 3 -o "$MODEL_DIR/$REL" "$URL"
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fi
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fi
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echo "verifying $MODEL_DIR against declared size + sha256"
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python3 - "$MODEL_DIR" "$REL" "$SIZE" "$SHA" <<'PY'
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import hashlib, os, sys
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model_dir, rel, size, sha = sys.argv[1], sys.argv[2], int(sys.argv[3]), sys.argv[4]
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dest = os.path.join(model_dir, rel)
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if not os.path.isfile(dest):
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print(f" MISSING {rel}")
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sys.exit(1)
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actual = os.path.getsize(dest)
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if actual != size:
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print(f" SIZE MISMATCH {rel}: {actual} != {size}")
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sys.exit(1)
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h = hashlib.sha256()
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with open(dest, "rb") as f:
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for chunk in iter(lambda: f.read(1 << 24), b""):
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h.update(chunk)
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if h.hexdigest() != sha:
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print(f" SHA256 MISMATCH {rel}: {h.hexdigest()}")
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sys.exit(1)
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print(f" OK {rel} ({actual} bytes, sha256 matches the Hub LFS oid)")
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PY
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echo "Q4_K_XL payload complete: $MODEL_DIR"
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+29
-11
@@ -8,14 +8,20 @@
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# runtime reads those bare (the 2026-08-13 TEMP incident). HOST is the one
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# exception because the serve script itself consumes it for --host.
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# The target payload (scripts/download-frank-large-swift.sh): the serve
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# script refuses to start without the main GGUF and the DFlash2 drafter.
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# Swapped in from unsloth/Qwen3.8-27B-GGUF:UD-Q8_K_XL on 2026-09-28. The two
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# are structurally interchangeable for gufo (same qwen35 architecture, the
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# same 866 tensors in the same order, the same per-tensor Q8_0/F32/BF16
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# layout, the same MTP head), so only this path changed.
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MODEL_DIR=/home/dank/models/Swift-1.5-Qwen3.8-27B-Uncensored-MTP-UD-Q8_K_XL
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MODEL_FILE=/home/dank/models/Swift-1.5-Qwen3.8-27B-Uncensored-MTP-UD-Q8_K_XL/Swift-1.5-Qwen3.8-27B-Uncensored-Dynamic-MTP-UD-Q8_K_XL.gguf
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# The target payload (scripts/download-frank-large-q4.sh): the serve script
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# refuses to start without the main GGUF and the DFlash2 drafter.
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#
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# 2026-10-01 swap (Frank): unsloth/Qwen3.8-27B-GGUF:UD-Q4_K_XL, 16.35 GiB,
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# replacing ajgazin's abliterated Swift-1.5 UD-Q8_K_XL (29.3 GiB). Two
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# consequences worth knowing at a glance:
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# * this is the VANILLA (non-abliterated) Qwen3.8-27B — the endpoint is no
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# longer uncensored, which was one of the reasons the Swift payload was
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# chosen on 2026-09-28;
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# * ~13 GiB of weights became available for KV, which is what makes four
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# full-sized f16 sessions fit.
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# gufo needs no template for either: its Qwen renderer is compiled in.
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MODEL_DIR=/home/dank/models/Qwen3.8-27B-UD-Q4_K_XL
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MODEL_FILE=/home/dank/models/Qwen3.8-27B-UD-Q4_K_XL/Qwen3.8-27B-UD-Q4_K_XL.gguf
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# The DFlash2 drafter is UNCHANGED by the model swap and still lives beside
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# the previous target, so it carries its own directory. It has a sliding
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@@ -32,9 +38,21 @@ ALIAS=frank-large
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HOST=0.0.0.0
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PORT=7770
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# One session, full 262144 context (the model's native window).
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CONTEXT_SIZE=262144
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SESSIONS=1
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# Four sessions, 163840 context each (Frank, 2026-10-01: "4x 160k"). The
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# context is per session and the KV is UNQUANTIZED (f16) — gufo has no KV
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# quantization lever at all (execution_policy.hpp pins kv_cache_storage to
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# kFp16), so "unquantized" is inherent rather than configured.
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#
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# The arithmetic that makes this fit: f16 KV costs 64 KiB/token on this model
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# (16 full-attention layers x 4 KV heads x 256 head_dim x 2 (K,V) x 2 bytes;
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# the other 48 layers are linear-attention with a per-SEQUENCE fp32 state of
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# ~144 MiB, not a per-token cache). 4 x 163840 = 655,360 tokens = 40.0 GiB of
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# KV, and each session's 163,840 tokens is exactly 10 GiB. Budget: weights
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# 16.35 + KV 40.0 + drafter 1.07 + linear state 0.56 + runtime ~4 = ~62 GiB
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# against the 114 GiB GTT — roughly 50 GiB of headroom, so the session count
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# or the per-session context can both grow from here.
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CONTEXT_SIZE=163840
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SESSIONS=4
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# DFlash2 spec decode (a block-diffusion drafter). gufo sizes the draft
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# block itself; DRAFT_TOKENS caps the proposals per step (gufo's default is
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@@ -18,7 +18,7 @@
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# is not an OSI licence.
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#
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# Shape: one session, full 262144 context (the model's native window). The
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# 27B dense weights (29.3 GiB) + the DFlash2 drafter (1.07 GiB) + KV +
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# 27B dense weights (16.35 GiB at UD-Q4_K_XL) + the DFlash2 drafter (1.07) + KV +
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# compute buffers fit the iGPU's GTT aperture (~114 GiB); a load at this
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# context measured 66.5 GiB of the 116.7 GiB device.
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#
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@@ -78,7 +78,7 @@ GUFO_BIN="$RUNTIME_DIR/bin/gufo"
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# and keeps its own long filename, while the DFlash2 drafter is unchanged and
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# still lives beside the previous target. MODEL_FILE/DRAFTER_FILE default to
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# the deployed payload, so the env file only has to state them when it moves.
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: "${MODEL_FILE:=$MODEL_DIR/Swift-1.5-Qwen3.8-27B-Uncensored-Dynamic-MTP-UD-Q8_K_XL.gguf}"
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: "${MODEL_FILE:=$MODEL_DIR/Qwen3.8-27B-UD-Q4_K_XL.gguf}"
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: "${DRAFTER_DIR:=/home/dank/models/Qwen3.8-27B-UD-Q8_K_XL}"
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: "${DRAFTER_FILE:=$DRAFTER_DIR/Qwen3.8-27B-DFlash2-Q4_K_M.gguf}"
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