65 lines
3.1 KiB
Bash
65 lines
3.1 KiB
Bash
# Tunables for frank-default-large (unsloth Qwen3.8-27B UD-Q8_K_XL, dankclaw)
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# Runtime: llama.cpp llama-server (b10433+, rebuilt 2026-08-14 for bundled-MTP
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# support); AMD Strix Halo (gfx1151) 96GB UMA; Ryzen AI MAX+ 395.
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MODEL_DIR=/home/dank/models
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MODEL_FILE=Qwen3.8-27B-UD-Q8_K_XL.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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# Context pool. Qwen3.8 native context = 262144 per sequence.
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# 524288 total / PARALLEL 2 = 262144 per slot, matching the pi client's
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# contextWindow=262144 for frank-default-large. Model is 29GB; ROCm has
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# ~70GB headroom, so 2x262k quantized KV fits. Verify at startup.
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CTX_SIZE=524288
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# Parallel slots. 2026-08-15: two concurrent 16k prose prompts (high
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# prompt-cache reuse) crashed DSpark with 'ROCm error: an illegal memory
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# access was encountered' inside per-sequence block sampling
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# (ggml_cuda_synchronize in common_speculative_impl_draft_dflash::draft,
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# status 6/ABRT, systemd restarted). DSpark multi-slot is NOT safe on this
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# box, same class as the DFlash shared-draft-context bug. Pinned to 1 slot
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# per user instruction; revisit after an upstream multi-slot DSpark fix.
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PARALLEL=1
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# Spec: DSpark sidecar draft (magnitudedev/Qwen3.8-27B-DSpark-GGUF Q8_0,
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# 1.36B, block_size 7, Markov confidence head). Switched from bundled-MTP
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# 2026-08-15 at the user's request. DSpark is the semi-autoregressive
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# extension of DFlash (DeepSeek, arXiv 2607.05147): parallel diffusion
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# backbone + sequential Markov head + confidence-scheduled verification.
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# n_max clamps to the trained block_size 7 (server warning if set higher).
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# Parallel safety FAILED on this box (see the PARALLEL=1 note above);
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# single-slot only until an upstream multi-slot DSpark fix lands.
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# DRAFT_FILE names the sidecar GGUF in MODEL_DIR (downloaded 2026-08-15,
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# sha256 b007a76b2ce57c1a3ecf36046543aebf60a763861624647d653f16d336c781d2).
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SPEC_TYPE=draft-dspark
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DRAFT_FILE=Qwen3.8-27B-DSpark-Q8_0.gguf
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SPEC_DRAFT_N_MAX=7
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SPEC_DRAFT_P_MIN=
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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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# Backend device from --list-devices. ROCm0 is the production backend.
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DEVICE=ROCm0
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# Dense model: full offload. (Not MoE.)
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N_GPU_LAYERS=all
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# KV on GPU, quantized (K q8_0, V q8_0). Keep K == V for Flash Attention;
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# mixed types silently disable FA (long-context decode collapses).
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CACHE_TYPE_K=q8_0
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CACHE_TYPE_V=q8_0
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# Batch sizing (verified 2026-08-14 on Qwen3.8 UD-Q8_K_XL):
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# ubatch 128 with batch>=2048 -> premature-EOS under concurrency (unsafe).
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# ubatch 512 -> MTP acceptance collapses (~25%) -> gen ~9 t/s (slow).
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# ubatch 256 -> ~30 t/s gen, concurrent-safe, ~330 t/s prefill. WINNER.
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# batch 8192 keeps single-shot prefill flexibility; ubatch drives the graph.
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BATCH_SIZE=8192
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UBATCH_SIZE=256
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# Sampling settings — per Qwen3.8-27B model card thinking mode.
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# Thinking: temp=1.0, top_p=0.95, top_k=20, min_p=0. Clients may override.
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# WARNING: do not name this variable TEMP. The ROCm HIP runtime reads the
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# TEMP environment variable (JIT kernel-cache dir); TEMP=1.0 made the HIP
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# runtime SEGV during model load on Aug 13 2026.
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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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