inference/research
verifiedlow · 0.60updated 2026-10-15

LeaseWeb: GPT-OSS-20B Q4 on dual EPYC 9334, TTFT ~3.6s (512-tok prompt)

3600.0 ms (time-to-first-token, 512-token prompt)

Fields

id
benchmarks/leaseweb-epyc9334x2-gptoss20b-q4-ttft
Metric
ttft_ms
Value
3,600
Unit
ms (time-to-first-token, 512-token prompt)
Model
gpt-oss-20b Q4
Methodology
THIRD-PARTY MEASURED (LeaseWeb blog, Fran Baigorri Hauen, 2026-04-05). HPE ProLiant DL385 Gen11, 2x EPYC 9334 (Zen4, 32c/64t each, 2.7GHz, 210W, 128MB L3/socket), 64GB DDR5 total (12-channel/socket). llama-bench (llama.cpp) local run + OpenLLM/llmperf API-level check. Test config: 512-token prompt, 128 tokens generated, 24 CPU threads for LLM rows. Values read off published charts/prose; CPU util 20-30%. Best printed TTFT in the set (3.6s).
Measured by
third_party
Reproducible
no
notes
Printed bound of the 3.6-4.8s band.

Notes

Printed bound of the 3.6-4.8s band.

Cross-references