Recipe
qwen3-8-27b-w4a16-autoround-rtx-3090-24gb-vllm-tp2
qwen3-8-27b-w4a16-autoround-rtx-3090-24gb-vllm-tp2Observed LocalMaxxing leaderboard run. Evidence for compatibility, not an executable launch contract.
Record
- Status
- candidate
- Source
- localmaxxing
- Engine
- vllm
- Engine version
- 0.27.1+syv-ai.00210159
- Accelerators
- 2
- Tensor parallel
- 2
- Context tokens
- 262,144
- Max concurrency
- 1
- chat
- unknown
- reasoning
- unknown
- tools
- unknown
- vision
- unknown
Hugging Face model card
Identity
https://huggingface.co/dbirks/Qwen3.8-27B-W4A16-AutoRound- Repository
- dbirks/Qwen3.8-27B-W4A16-AutoRound
- Status
- known
- Link type
- Exact Hub repository
Public Hugging Face repository confirmed by the Hub API.
Candidate: useful compatibility or speed evidence. The registry does not offer Run until promotion requirements are met.
Observed configuration
vllm
Evidence only · candidate · reference
Candidate evidence — not a Run contract
Observed source tokens
Mechanical split of the source command. Unverified against the engine CLI. The registry does not offer Run for this recipe.
vllmserve/app/models/Qwen3.8-27B-W4A16-AutoRound--served-model-nameqwen3.8-27b--tensor-parallel-size2--gpu-memory-utilization0.95--max-model-len262144--max-num-seqs4--max-num-batched-tokens2048--attention-backendFLASH_ATTN--kv-cache-dtypebfloat16--mamba-ssm-cache-dtypefloat16--language-model-only--speculative-config{"method":"dflash","model":"/app/models/Qwen3.8-27B-DFlash2-W4A16","num_speculative_tokens":4}
| Flag | Value |
|---|---|
--served-model-name | qwen3.8-27b |
--tensor-parallel-size | 2 |
--gpu-memory-utilization | 0.95 |
--max-model-len | 262144 |
--max-num-seqs | 4 |
--max-num-batched-tokens | 2048 |
--attention-backend | FLASH_ATTN |
--kv-cache-dtype | bfloat16 |
--mamba-ssm-cache-dtype | float16 |
--speculative-config | {"method":"dflash","model":"/app/models/Qwen3.8-27B-DFlash2-W4A16","num_speculative_tokens":4} |
Measured speed
| Concurrency | Context | Prefill | Decode | TTFT ms | Status | Sweep |
|---|---|---|---|---|---|---|
| 1 | 262,144 | 1,343.8 | 173.1 | 825.3 | observed | qwen3-8-27b-w4a16-autoround-rtx-3090-24gb-vllm-tp2-sweep |
Remaining fields
Identity, launch, related records, and measured speed are shown above. This is the rest of the normalized record.
- hardware count
- 2
- hardware id
- rtx-3090-24gb
- id
- qwen3-8-27b-w4a16-autoround-rtx-3090-24gb-vllm-tp2
- model instance id
- dbirks-qwen3-8-27b-w4a16-autoround--w4a16-autoround
- recipe source
- localmaxxing
- schema version
- local-ai-registry/v1
- speed sweep ids
- qwen3-8-27b-w4a16-autoround-rtx-3090-24gb-vllm-tp2-sweep
- status
- candidate
capabilities
draft launch
- accelerator backend
- nvidia
- arguments
- --model, dbirks/Qwen3.8-27B-W4A16-AutoRound, --tensor-parallel-size, 2, --host, 0.0.0.0, --port, 8000, --max-model-len, 262144
- container port
- 8,000
- host port
- 8,000
- image
- vllm/vllm-openai@sha256:0a51ea5b4ae2dc5d81890e5173f54203d2a3ae0cfffe51b8fd2afd4391bfd967
- ipc
- host
- kind
- docker
- shm size
- 16g
- synthesized · generated at
- 2026-08-31T22:12:17Z
- synthesized · image provenance
- deepseek-fp8-rtx-pro-6000-blackwell-96gb-vllm-tp1
- synthesized · template
- vllm-openai-v1
mounts
| read only | target |
|---|---|
| No | /root/.cache/huggingface |
engine
- name
- vllm
- version
- 0.27.1+syv-ai.00210159
serving
- max concurrency
- 1
- max context tokens
- 262,144
- tensor parallel
- 2
Provenance & metadata (3)
facts
- capabilities.chat · provenance · captured at
- 2026-08-30T09:10:02Z
capabilities.chat · reason capability-not-verified
capabilities.chat · state unknown
- capabilities.reasoning · provenance · captured at
- 2026-08-30T09:10:02Z
capabilities.reasoning · reason capability-not-verified
capabilities.reasoning · state unknown
- capabilities.tools · provenance · captured at
- 2026-08-30T09:10:02Z
capabilities.tools · reason capability-not-verified
capabilities.tools · state unknown
- capabilities.vision · provenance · captured at
- 2026-08-30T09:10:02Z
capabilities.vision · reason capability-not-verified
capabilities.vision · state unknown
- engine.graph mode · provenance · captured at
- 2026-08-30T09:10:02Z
engine.graph mode · reason runtime-detail-not-published
engine.graph mode · state unknown
- serving.kv cache tokens · provenance · captured at
- 2026-08-30T09:10:02Z
serving.kv cache tokens · reason kv-cache-capacity-not-published
serving.kv cache tokens · state unknown
metadata
- localmaxxing · backend
- cuda
- localmaxxing · hardware label
- RTX 3090
- localmaxxing · notes
- C1 remote LocalMaxxing CLI run: 1 untimed warmup plus 3 timed iterations; medians submitted. Requested a nominal 1,024-token synthesized prompt, but endpoint usage reported 1,109 prompt tokens; endpoint count is authoritative and prefill throughput uses 1,109 / TTFT. Greedy temperature 0, 512 generated tokens, streaming inter-token decode timing. Target is dbirks AutoRound W4A16 group-128, prepared in place with int8 embeddings, LM head, and MTP auxiliary weights; FAST_VARIANT=0. Drafter is syvai DFlash2 W4A16 with 4 speculative tokens. BF16 KV, FP16 recurrent state, FlashAttention 2, chunked prefill, prefix caching disabled, TP2. Cards are PHB with no NVLink/P2P, so vLLM used PYNCCL host-mediated all-reduce. Peak telemetry: 22,713/22,711 MiB VRAM and 328.57/318.36 W; configured card power limits are 390/350 W. Server max context 262,144, max sequences 4, GPU utilization 0.95.
- localmaxxing · observed command
- vllm serve /app/models/Qwen3.8-27B-W4A16-AutoRound --served-model-name qwen3.8-27b --tensor-parallel-size 2 --gpu-memory-utilization 0.95 --max-model-len 262144 --max-num-seqs 4 --max-num-batched-tokens 2048 --attention-backend FLASH_ATTN --kv-cache-dtype bfloat16 --mamba-ssm-cache-dtype float16 --language-model-only --speculative-config '{"method":"dflash","model":"/app/models/Qwen3.8-27B-DFlash2-W4A16","num_speculative_tokens":4}'
- localmaxxing · run id
- cmt8rd616009ali01qnnrasi7
- localmaxxing · tokenized · arguments
- vllm, serve, /app/models/Qwen3.8-27B-W4A16-AutoRound, --served-model-name, qwen3.8-27b, --tensor-parallel-size, 2, --gpu-memory-utilization, 0.95, --max-model-len, 262144, --max-num-seqs, 4, --max-num-batched-tokens, 2048, --attention-backend, FLASH_ATTN, --kv-cache-dtype, bfloat16, --mamba-ssm-cache-dtype, float16, --language-model-only, --speculative-config, {"method":"dflash","model":"/app/models/Qwen3.8-27B-DFlash2-W4A16","num_speculative_tokens":4}
- localmaxxing · tokenized · fidelity
- faithful
provenance
- captured at
- 2026-08-30T09:10:02Z
sources
| captured at | kind | url |
|---|---|---|
| 2026-08-30T09:10:02Z | normalized-recipe | www.localmaxxing.com/en/runs/cmt8rd616009ali01qnnrasi7 ↗ |