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超大体积文件多线程计算 #71

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tenglongwentian opened this issue Nov 16, 2023 · 2 comments
Open

超大体积文件多线程计算 #71

tenglongwentian opened this issue Nov 16, 2023 · 2 comments

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@tenglongwentian
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对于一个文件来讲，如何引入web worker并行计算哈希值？本地尝试了一下，计算每个文件分块的哈希值计算挺快的，是以前的几十倍，但是不知道如何将分块的哈希值合并。（要求与文件整体哈希值一致）
@tenglongwentian
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文件分块哈希值合并

@catlair
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catlair commented Apr 19, 2024

md5 是线性的，必须从前向后依次计算，前面的结果必定影响后面的结果。

分块应该改用其它算法

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@tenglongwentian @catlair