Benchmarking done properly: open loop, percentiles, goodput and honest reporting
How to measure LLM serving without fooling yourself: the metrics (TTFT, ITL, TPOT, throughput, goodput), realistic workloads, closed-loop versus open-loop load and coordinated omission (with a runnable demonstration), warmup, percentiles with confidence intervals, and a reporting template.
16 min·Verified 2026-11Pro+50 XP
Most published LLM benchmarks answer a question you did not ask. A rigorous benchmark answers yours: given this workload and these latency requirements, what can this configuration sustain?
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