Benchmark: Qwen3.8-27B-FP8 on single NVIDIA GH200 handles 262K context

MaziyarPanahi · x · 2026-08-15

Benchmarked Alibaba's Qwen3.8-27B-FP8 on a single NVIDIA GH200 using vLLM. With 10 concurrent real-time requests (max 16K output each, 262K total context), the first streamed events arrived within 10ms and all requests finished normally. Previous load tests showed throughput scaling from 148 tok/s (1 stream) to 3,395 tok/s (64 concurrent), achieving a 22.93× aggregate throughput increase without degradation.

Related event: Single GH200 runs Qwen 27B FP8: 10 concurrent streams, 10ms first token(5 posts)→

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