Quantong Qiu 3694614dd9 feat(p800): add max context length exploration experiment
Add experiments/dsv4_p800_max_context_length/ to find the longest input
context that P800 SGLang INT8 can serve for DeepSeek-V4-Flash-INT8.

- Docker-based server start with dynamic --context-length.
- Single-request, single-output-token probes for each candidate length.
- Records success/failure, server args, and metrics per length.
- Generates results.json and report.md summarizing the max supported length.
- Smoke-tested at 4096 tokens successfully.
2026-07-09 03:30:09 +00:00

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{
"metadata": {
"experiment": "dsv4_p800_sglang",
"run_id": "20260708-043830",
"timestamp": "2026-07-08T04:38:30+00:00",
"model": "/data1/models/DeepSeek-V4-Flash-INT8",
"backend": "sglang",
"engine": "sglang-xpu",
"hardware": "8x Kunlun P800 XPU",
"accelerator": "Kunlun P800 XPU",
"chip": "kunlun_p800",
"script": "experiments/dsv4_p800_sglang/run_bench.sh",
"env": "",
"git_commit": "2c332ff",
"git_dirty": "dirty",
"description": "Kunlun P800 SGLang benchmark for DeepSeek-V4-Flash-INT8"
},
"config": {},
"scenarios": []
}