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# Tunables for frank-small (HauhauCS/Gemma4-12B-QAT-Uncensored-HauhauCS-
# Balanced, Q4_K_M, plus the BF16 vision projector and the separate MTP
# sidecar) on mainline llama.cpp, Dankclaw's RTX 3090, since 2026-09-17.
#
# Runtime: llama.cpp master 37b53fd, CUDA build for sm_86:
# cmake -B build-cuda -DCMAKE_BUILD_TYPE=Release -DGGML_NATIVE=ON \
# -DGGML_CUDA=ON -DCMAKE_CUDA_ARCHITECTURES=86 -DGGML_CUDA_FA_ALL_QUANTS=ON
# cmake --build build-cuda --target llama-server -j
# GGML_CUDA_FA_ALL_QUANTS is ON: this service runs q8_0 KV with flash
# attention, and without the flag quantized-KV prefill collapses ~12x on
# CUDA (see the CUDA lesson in AGENTS.md).
#
# Model: HauhauCS/Gemma4-12B-QAT-Uncensored-HauhauCS-Balanced at Q4_K_M
# (6.87 GiB). Architecture (GGUF arch gemma4): 48 layers, MHA with 16 kv
# heads x 512 head_dim, rope freq_base 1e6, final logit softcapping 30,
# per-layer token embeddings (PLE) inside the file, and a sliding-window
# attention pattern (attention.sliding_window = 1024) -- most layers cache
# only a 1024-position window, which is why the KV pool is a fraction of
# the full-ctx x all-layers number.
#
# MTP: the Multi-Token Prediction head ships as a SEPARATE file
# (mtp-gemma-4-12B-it.gguf, arch gemma4-assistant, 4 nextn layers, 0.24
# GiB). Unlike the Qwen3.8 -mtp build (head inside the main file), this one
# is passed via --model-draft with --spec-type draft-mtp, so the draft
# context loads the assistant model. The same --spec-type value chains the
# draftless ngram-mod matcher, which attaches unconditionally; two
# context-backed drafters cannot share one process, so draft-mtp,ngram-mod
# is the only legal shape that carries both.
#
# SIZING (RTX 3090, 24576 MiB): not modelled by hand -- CTX_SIZE is left
# unset and --fit sizes the KV pool (q8_0 K and V) against what the 6.87
# GiB of weights, the 0.16 GiB projector, the MTP sidecar's draft context
# and the compute buffers leave on the card. The engine prints the chosen
# context at startup; read it from the log, do not hard-code it back here.
#
# Vision: --mmproj loads the BF16 projector (11 tensors, 52M params; it
# also carries an audio encoder, unused by the fleet). The fleet's image
# path lives here, which is why halogen no longer sets HALOGEN_VISION_TOWER.
#
# Sampling: greedy by default (the fleet contract); a client that sends a
# temperature gets its own, and the harness applies per-model overrides
# from models.yml.
#
# WARNING: do not name any variable TEMP, HOST, or GPU_MAX_HEAP_SIZE (HIP
# reads those bare vars on the ROCm hosts -- see the 2026-08-13 incident in
# AGENTS.md). This box is CUDA, but the rule keeps env files portable.
# llama.cpp runtime binary: mainline master 37b53fd, CUDA sm_86,
# FA_ALL_QUANTS=ON.
LLAMA_BIN=/home/dank/GitPackages/llama.cpp-mainline/build-cuda/bin/llama-server
# Model package. The MTP sidecar file is required for speculative decoding.
MODEL_DIR=/home/dank/models/Gemma4-12B-QAT
MODEL_FILE=Gemma4-12B-QAT-Uncensored-HauhauCS-Balanced-Q4_K_M.gguf
MMPROJ_PATH=/home/dank/models/Gemma4-12B-QAT/mmproj-Gemma4-12B-QAT-Uncensored-HauhauCS-Balanced-BF16.gguf
DRAFT_FILE=mtp-gemma-4-12B-it.gguf
# Fleet identity and network. 7771 is this service's own endpoint on
# Dankclaw; 7770 stays frank-large's. The alias is the id at /v1/models and
# what clients ask for -- the harness entry in models.yml names it.
ALIAS=frank-small
BIND_ADDR=0.0.0.0
LISTEN_PORT=7771
# Context: intentionally unset -- --fit decides it (see the sizing note).
# One slot; a second concurrent request queues behind the first.
PARALLEL=1
CACHE_TYPE_K=q8_0
CACHE_TYPE_V=q8_0
# Batch geometry: llama.cpp's own defaults (2048 logical / 512 physical).
BATCH_SIZE=2048
UBATCH_SIZE=512
# CPU threads: this service runs entirely on the GPU (NGL=999), so threads
# cover tokenization, sampling and the HTTP layer only. Deliberately modest
# -- this host's CPU is shared with halogen's engine, which is CPU-hungry.
NUM_THREADS=8
THREAD_BATCH=8
# Every layer on the 3090, with flash attention (required for q8 KV).
NGL=999
FLASH_ATTN=on
# Speculative decoding: the MTP sidecar (draft context) chained with the
# draftless ngram-mod matcher. Draft depth stays llama.cpp's default of 3.
SPEC_TYPE=draft-mtp,ngram-mod
# Greedy default (fleet contract); reasoning is extracted into
# reasoning_content with an unlimited budget (the model decides).
TEMPERATURE=0.0
REASONING_FORMAT=deepseek
REASONING_BUDGET=-1