{ "phases": { "prefill": { "description": "process full prompt, populate KV cache", "compute_bound": true, "attention": "flash-attention, causal" }, "decode": { "description": "autoregressive single-token steps against cache", "memory_bandwidth_bound": true, "kv_read_bytes_per_step_per_seq": 12800 } }, "kv_cache": { "layout": "paged", "block_size_tokens": 16, "dtype": "bf16", "bytes_per_token": 12800, "per_seq_max": "52.43 MB" }, "scheduling": { "policy": "continuous_batching", "preemption": "recompute", "max_model_len": 4096 }, "parallelism": { "tensor_parallel": 1, "pipeline_parallel": 1 }, "engine_hints": { "vllm": "vllm serve /model --dtype bfloat16 --max-model-len 4096 --tensor-parallel-size 1 --pipeline-parallel-size 1", "sglang": "python -m sglang.launch_server --model-path /model --tp 1 --context-length 4096" }, "note": "UNTRAINED model: serving it yields noise by design; this plan becomes operative after training." }