| # Methodology |
|
|
| This methodology is canonical for the benchmark dataset. |
|
|
| ## Scope |
|
|
| Rows must come from owner-operated hardware. Cloud instances, vendor marketing |
| numbers, and third-party reposts are excluded because the value of this dataset |
| is reproducible local workstation behavior. |
|
|
| ## Throughput Mode |
|
|
| Throughput rows should run with model "thinking" disabled when the backend and |
| model expose that control. Thinking can improve quality, but it changes token |
| budget use and makes raw tok/s comparisons noisy. Quality belongs in a separate |
| axis from speed. |
|
|
| If thinking cannot be disabled, set `thinking=n/a` and explain why in `notes`. |
|
|
| ## Served vs Local |
|
|
| Record whether the model was served through `llama.cpp`, `vllm`, |
| `tensorrt-llm`, or another backend. Served HTTP measurements include scheduler |
| and loopback overhead; local CLI measurements may not. Do not merge those |
| without keeping the `backend` and `backend_version` fields visible. |
|
|
| ## Clean Runs |
|
|
| GPU bandwidth contention invalidates results. Do not run benchmarks while another |
| model is using the same GPU's memory bus. |
|
|
| The seed rows come from llm-lab card-bench, which stops the production stack for |
| clean card-bench windows. Current P620 placement from DC-BRIEFING is: |
|
|
| - GPU 0: `gemma-aeon`, single-card production model. |
| - GPU 1: utility/lab card, with embed/rerank and free VRAM for suitable |
| single-GPU lab work. |
|
|
| Practical rule for this rig: a single-GPU run that fits on the lab card does not |
| need a production teardown. A TP=2 or all-GPU run requires stopping |
| `gemma-aeon`, entering maintenance mode, running the benchmark, then restarting |
| and LAN-verifying the production endpoint. |
|
|
| For other owners: report what else was running on each GPU and how you isolated |
| the measurement window. |
|
|
| ## Required Reporting |
|
|
| Every row must report: |
|
|
| - Variant: desktop, sff, or laptop. |
| - Bandwidth, TDP, and PCIe lanes. These separate desktop from SFF. |
| - VRAM, memory type, and memory bus width. These are required metadata but do |
| not separate desktop from SFF because both are 24 GB GDDR7 ECC on a 192-bit |
| bus. |
| - Driver version. |
| - Backend and backend version. |
| - Single-GPU vs multi-GPU. |
| - Context length and concurrency. |
| - Prefill tok/s and decode tok/s. |
| - Peak VRAM used. |
| - Power measurement method in `notes`. |
|
|
| Power should be measured from board telemetry where possible, not a wall plug |
| unless that is explicitly stated. |
|
|
