What happened: Benchmarking LLM Inference at Scale with AIPerf

NVIDIA released AIPerf, a multiprocess LLM benchmarking tool replacing GenAI-Perf that prevents client-side bottlenecks during high-concurrency testing.

Why it matters: Benchmarking LLM Inference at Scale with AIPerf

Engineers benchmarking LLM inference servers need accurate load testing that won't saturate the client before the server reaches capacity.

Watch out: Benchmarking LLM Inference at Scale with AIPerf

AIPerf is a ground-up rewrite with different configuration from GenAI-Perf; existing workflows require migration. Streaming mode is required to measure TTFT and ITL accurately.

In the news

Benchmarking LLM Inference at Scale with AIPerf

NVIDIA Developer · Published September 18, 2026 · 3 min read

In 30 seconds

What happened: NVIDIA released AIPerf, a multiprocess LLM benchmarking tool replacing GenAI-Perf that prevents client-side bottlenecks during high-concurrency testing.
Why it matters: Engineers benchmarking LLM inference servers need accurate load testing that won't saturate the client before the server reaches capacity.
Watch out: AIPerf is a ground-up rewrite with different configuration from GenAI-Perf; existing workflows require migration. Streaming mode is required to measure TTFT and ITL accurately.

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