Without chunked prefill the server OOM/crashes (exit 137) during or immediately after concurrent 64k-context scenarios. Speculative decoding remains disabled as requested.
- New experiment: experiments/dsv4_p800_long_context_matrix/ - Single backend: sglang-xpu in Docker on Kunlun P800 - Context groups: 64k (max_context_len=80000, max_running=10) and 128k (max_context_len=140000, max_running=5) - Scenarios: concurrency sweeps x output lengths 256/1024/4096 - Parameterized start_sglang.sh enforces max_running >= 2 to avoid P800 INT8 req_to_token_pool allocation failures - Reuses proven P800 INT8 environment, NSA/EAGLE settings, and bench_serving invocations from dsv4_p800_max_context_length
