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        <title>NCCL - 标签 - vllbc02&#39;s blogs</title>
        <link>https://blog.vllbc.top/tags/nccl/</link>
        <description>NCCL - 标签 - vllbc02&#39;s blogs</description>
        <generator>Hugo -- gohugo.io</generator><language>zh-CN</language><copyright>This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.</copyright><lastBuildDate>Tue, 07 Jul 2026 00:00:00 &#43;0000</lastBuildDate><atom:link href="https://blog.vllbc.top/tags/nccl/" rel="self" type="application/rss+xml" /><item>
    <title>DeepSeek V4 Infra Deep Dive 4.4: PyTorch 训练显存管理</title>
    <link>https://blog.vllbc.top/deepseek-v4-infra-4.4-%E8%AE%AD%E7%BB%83%E6%98%BE%E5%AD%98%E7%AE%A1%E7%90%86/</link>
    <pubDate>Tue, 07 Jul 2026 00:00:00 &#43;0000</pubDate>
    <author>vllbc</author>
    <guid>https://blog.vllbc.top/deepseek-v4-infra-4.4-%E8%AE%AD%E7%BB%83%E6%98%BE%E5%AD%98%E7%AE%A1%E7%90%86/</guid>
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<p>来源：<a
href="https://zhuanlan.zhihu.com/p/2052200237373118275">DeepSeekV4 Infra
Deep Dive · 第四节 4.4: PyTorch 训练显存管理：从 Caching Allocator 到
Stream 同步</a></p>
<p>系列：可灵 AI infra
训练团队出品，全文系列见原文末链接。本文是该系列的 4.4
一篇，专门讲训练显存怎么分、怎么 OOM、怎么省。</p>]]></description>
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