Frank
6451017d3c
DFlash causes premature EOS on a generating slot when another task lands with high LCP prompt reuse (shared draft ctx corruption, reproduced 2026-08-14 3x). Benching ngram-mod vs MTP sidecar to pick the replacement. serve script now passes --spec-draft-model only for draft-* spec types.
93 lines
2.7 KiB
Bash
Executable File
93 lines
2.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Serve HauhauCS Qwen3.6-27B-Uncensored-HauhauCS-Aggressive:Q8_K_P
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# with DFlash draft speculative decoding (draft-dflash) on dankclaw
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# (AMD Strix Halo gfx1151, ROCm backend).
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# Runtime: llama.cpp llama-server.
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#
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# Tunables come from frank-default-large.env in this directory unless the
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# FRANK_LARGE_ENV_FILE environment variable overrides that path.
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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ENV_FILE="${FRANK_LARGE_ENV_FILE:-$SCRIPT_DIR/frank-default-large.env}"
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if [[ -f "$ENV_FILE" ]]; then
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set -a
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# shellcheck disable=SC1090
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source "$ENV_FILE"
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set +a
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fi
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# --- defaults (used when the env file does not set them) -----------------
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: "${MODEL_DIR:=/home/dank/models}"
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: "${MODEL_FILE:=Qwen3.6-27B-Uncensored-HauhauCS-Aggressive-Q8_K_P.gguf}"
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: "${DRAFT_FILE:=Qwen3.6-27B-DFlash-Q8_0.gguf}"
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: "${ALIAS:=frank-default-large}"
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: "${HOST:=0.0.0.0}"
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: "${PORT:=7770}"
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: "${CTX_SIZE:=602100}"
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: "${PARALLEL:=3}"
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: "${SPEC_TYPE:=draft-dflash}"
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: "${SPEC_DRAFT_N_MAX:=8}"
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: "${SPEC_NGRAM_MOD_N_MIN:=48}"
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: "${SPEC_NGRAM_MOD_N_MAX:=64}"
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: "${SPEC_NGRAM_MOD_N_MATCH:=24}"
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: "${DEVICE:=ROCm0}"
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: "${N_GPU_LAYERS:=all}"
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: "${CACHE_TYPE_K:=q8_0}"
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: "${CACHE_TYPE_V:=q8_0}"
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: "${BATCH_SIZE:=8192}"
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: "${UBATCH_SIZE:=2048}"
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: "${TEMPERATURE:=1.0}"
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: "${TOP_K:=20}"
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: "${TOP_P:=0.95}"
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: "${MIN_P:=0.0}"
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: "${THREADS:=12}"
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: "${THREADS_HTTP:=1}"
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LLAMA_SERVER="${LLAMA_SERVER:-/home/dank/llama.cpp/build/bin/llama-server}"
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MODEL="$MODEL_DIR/$MODEL_FILE"
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DRAFT="$MODEL_DIR/$DRAFT_FILE"
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if [[ ! -f "$MODEL" ]]; then
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echo "missing required file: $MODEL" >&2
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exit 1
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fi
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# Draft-model flags apply only to spec types that use a draft file
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# (draft-dflash, draft-mtp, draft-eagle3). ngram-mod is draftless.
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SPEC_ARGS=()
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if [[ "$SPEC_TYPE" == *draft-* ]]; then
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if [[ ! -f "$DRAFT" ]]; then
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echo "missing required file: $DRAFT" >&2
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exit 1
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fi
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SPEC_ARGS+=(--spec-draft-model "$DRAFT")
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fi
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exec "$LLAMA_SERVER" \
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--model "$MODEL" \
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"${SPEC_ARGS[@]}" \
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--spec-type "$SPEC_TYPE" \
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--spec-draft-n-max "$SPEC_DRAFT_N_MAX" \
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--spec-ngram-mod-n-min "$SPEC_NGRAM_MOD_N_MIN" \
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--spec-ngram-mod-n-max "$SPEC_NGRAM_MOD_N_MAX" \
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--spec-ngram-mod-n-match "$SPEC_NGRAM_MOD_N_MATCH" \
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--device "$DEVICE" \
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--gpu-layers "$N_GPU_LAYERS" \
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--fit off \
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--cache-type-k "$CACHE_TYPE_K" \
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--cache-type-v "$CACHE_TYPE_V" \
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--ctx-size "$CTX_SIZE" \
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--parallel "$PARALLEL" \
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--batch-size "$BATCH_SIZE" \
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--ubatch-size "$UBATCH_SIZE" \
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--temp "$TEMPERATURE" \
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--top-k "$TOP_K" \
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--top-p "$TOP_P" \
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--min-p "$MIN_P" \
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--threads "$THREADS" \
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--threads-http "$THREADS_HTTP" \
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--alias "$ALIAS" \
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--host "$HOST" \
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--port "$PORT"
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