syvai/qwen3.8-27b-3090-fast-variant

Qwen3.8-27B "fast" single-user extras for one RTX 3090

Companion files for https://github.com/syv-ai/qwen38-27b-rtx3090 (single-user mode, ~114 tok/s at default sampling / ~124 tok/s greedy on an RTX 3090 with vLLM 0.27.1). Drop them over a local copy of the W4A16 AutoRound checkpoint prepared by that repo (quant_embed.py + shards 1-6 unchanged):

• —model-00007-of-00007.safetensors: lm_head requantized to int4 (group 128, GPTQ calibrated on 300k of the model's own hidden states; +0.6% perplexity vs bf16, GSM8K unchanged) plus the other tensors of shard 7
• —model_extra_tensors.safetensors: the MTP draft module requantized to int4 (GPTQ, calibrated) and a 40,960-row int4 draft head (mtp.draft_lm_head.*)
• —mtp_draft_vocab_ids.pt / draft_vocab_ids.json: the draft vocabulary, counted over 5.4M tokens of the model's own outputs (97.5% coverage of what it generates; 96% on code)
• —config.json, model.safetensors.index.json: matching quantization config / weight map

Needs the vLLM patches from the repo (patches/qwen3_5-mtp-draft-vocab.patch at least). See the repo README, section "Single-user: 124 tok/s", for what each piece buys and how the files were produced (drafter/).