Community miners make Qwen 27B FP8 3.5x faster than stock vLLM on a single H200
const_reborn · x · 2026-09-07
Pareton reports its mining community pushed Qwen3.8-27B-FP8 to 3.5x end-to-end speedup over stock vLLM on one H200 (median over SWE-agent traces):
- Median request latency 727ms → 190ms; throughput 58.7 → 221.8 tok/s; inter-token p99 93ms → 38ms; SLA-compliant requests 3% → 100%
- Outputs identical (≥0.99 greedy token-match)
- Winning patch: enabling the checkpoint's own MTP head for self-speculative decoding (γ=8) plus fused Triton kernels for GDN linear-attention layers — 1,090 lines inside vLLM
- Week 1: 25 rounds, 74 submissions, 31 miners
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