Frank
5108af11aa
Clients send tool_choice=auto; without these flags vLLM rejects with HTTP 400. The Avesed chat template renders the Qwen3 XML tool format, so qwen3_xml is the matching parser.
56 lines
2.3 KiB
Bash
56 lines
2.3 KiB
Bash
# Tunables for frank-default-small (vLLM, dankclaw, Strix Halo gfx1151).
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#
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# Runtime: vLLM (ROCm) in /home/dank/vllm-venv serving
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# Avesed/Qwen3.6-35B-A3B-INT8-W8A8 (compressed-tensors INT8 W8A8, MoE 35B
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# total / 3B active, Qwen3.5-MoE hybrid: 30 of 40 layers are GatedDeltaNet
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# linear attention). Alias frank-default-small, port 52625.
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#
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# The ROCm vLLM install was created with:
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# uv venv --python /usr/bin/python3.12 /home/dank/vllm-venv
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# uv pip install --python /home/dank/vllm-venv vllm --torch-backend=auto
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# The --torch-backend=auto resolver pulls the AMD ROCm wheels (torch +
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# amd-torch-device-gfx1151 + vllm rocm variant) from the AMD index.
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VLLM_BIN=/home/dank/vllm-venv/bin/vllm
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MODEL=Avesed/Qwen3.6-35B-A3B-INT8-W8A8
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ALIAS=frank-default-small
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BIND_ADDR=0.0.0.0
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LISTEN_PORT=52625
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# Full native context. The KV cache stays unquantized (auto = model dtype,
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# bf16). Worst-case KV at 262144 x 4 sequences is ~10.7 GiB; weights are
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# ~35 GiB; total fits the Strix Halo unified pool with room to spare.
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MAX_MODEL_LEN=262144
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KV_CACHE_DTYPE=auto
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# Concurrency and batching (user request).
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MAX_NUM_SEQS=4
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MAX_NUM_BATCHED_TOKENS=16384
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# vLLM has no separate ubatch knob. The scheduler issues one batch per step
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# with up to max-num-batched-tokens tokens; the KV cache is preallocated at
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# max-model-len. Set gpu-memory-utilization below 1.0 so the unified pool
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# keeps headroom for the host.
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GPU_MEMORY_UTILIZATION=0.92
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# ngram speculative decoding (vLLM ngram proposer).
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# prompt_lookup_max = ngram window; num_speculative_tokens = draft depth.
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NGRAM_LOOKUP_MAX=5
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NGRAM_LOOKUP_MIN=1
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NUM_SPEC_TOKENS=5
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# Tool calling. Clients (pi, OpenWebUI) send tool_choice=auto; without
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# --enable-auto-tool-choice vLLM rejects it with HTTP 400. The Avesed
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# chat template renders tools in the Qwen3 XML format, so the qwen3_xml
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# parser is the matching one.
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ENABLE_AUTO_TOOL_CHOICE=1
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TOOL_CALL_PARSER=qwen3_xml
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# RDNA flash-attention for the vision encoder (and general FA paths).
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# Without this, the mm encoder falls back to torch SDPA and the warmup
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# OOMs (256 GiB score matrix at max_model_len; measured 2026-08-17).
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# Requires the flash_attn package with flash_attn_triton_amd findable
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# (the pure-Python copy from the CIRU package plus a flash_attn_2_cuda
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# stub; see docs/frank-redo-2026-08-17.md).
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FLASH_ATTENTION_TRITON_AMD_ENABLE=TRUE
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