August 10, 2026 TensorCast: The Missing Tensor Management Layer in Large Language Model Infrastructure 首个将张量生命周期管理从计算栈中解耦的分布式服务层，通过 Artifact/Operation/Plan/Signal 四抽象实现 TaaS 范式，集成 vLLM/SGLang 后权重物化加速 60×、KV 缓存共享 TTFT 降低 87.5% llm-infra tensor-management distributed-systems model-serving kv-cache taaS vllm sglang disaggregated-inference