https://lilinji.github.io/tags/cachingallocator/Recent content in CachingAllocator on Ringi's LogHugo -- 0.152.2zh-cnThu, 27 Aug 2026 00:00:00 +0800https://lilinji.github.io/2026/08/%E7%AC%AC06%E8%AE%B2pytorch-%E8%AE%A1%E7%AE%97%E5%9B%BE%E4%B8%8E-autograd-%E6%98%BE%E5%AD%98%E7%94%9F%E5%91%BD%E5%91%A8%E6%9C%9F%E5%8A%A8%E6%80%81-dag%E5%8F%8D%E5%90%91%E6%B1%82%E5%AF%BC%E6%9C%BA%E5%88%B6%E4%B8%8E-activation-%E6%98%BE%E5%AD%98%E4%BC%98%E5%8C%96/Thu, 27 Aug 2026 00:00:00 +0800https://lilinji.github.io/2026/08/%E7%AC%AC06%E8%AE%B2pytorch-%E8%AE%A1%E7%AE%97%E5%9B%BE%E4%B8%8E-autograd-%E6%98%BE%E5%AD%98%E7%94%9F%E5%91%BD%E5%91%A8%E6%9C%9F%E5%8A%A8%E6%80%81-dag%E5%8F%8D%E5%90%91%E6%B1%82%E5%AF%BC%E6%9C%BA%E5%88%B6%E4%B8%8E-activation-%E6%98%BE%E5%AD%98%E4%BC%98%E5%8C%96/深入剖析 PyTorch 动态计算图（DAG）底层构建机制、C++ Autograd 引擎（Node/Edge/SavedVariable）、Forward 与 Backward 显存占用心电图、In-place 版本计数器校验、no_grad 与 inference_mode 差异，以及 Activation Checkpointing 显存换计算第一性原理与工业级系统实战。