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Difference between NumElements and offset of LoDTensor #4181

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wanghaoshuang opened this issue Sep 19, 2017 · 2 comments
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Difference between NumElements and offset of LoDTensor #4181

wanghaoshuang opened this issue Sep 19, 2017 · 2 comments

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@wanghaoshuang
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wanghaoshuang commented Sep 19, 2017 •
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LoDTensor::NumElements()返回的是指定level的最后一个element的offset, 但是名字看起来像求指定level element数量。
而且，LoDTensor::NumLevels()确实是返回level的数量，是命名没统一，还是我对LoDTensor::lod_存储内容理解有误？
@QiJune
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QiJune commented Sep 19, 2017

NumElements(size_t level) 返回的是指定层级上的offset的个数
NumLevels() 返回的是sequence的层级有几个

@wanghaoshuang
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wanghaoshuang commented Sep 19, 2017 •
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明白了，是我对LoDTensor::lod_存储内容理解有误。
#3746 (comment)

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@wanghaoshuang @QiJune