# GetDataBufferSize<a name="ZH-CN_TOPIC_0000001977157118"></a>

## 产品支持情况<a name="section8178181118225"></a>

<a name="zh-cn_topic_0000002013832557_table38301303189"></a>
<table><thead align="left"><tr id="zh-cn_topic_0000002013832557_row20831180131817"><th class="cellrowborder" valign="top" width="57.99999999999999%" id="mcps1.1.3.1.1"><p id="zh-cn_topic_0000002013832557_p1883113061818"><a name="zh-cn_topic_0000002013832557_p1883113061818"></a><a name="zh-cn_topic_0000002013832557_p1883113061818"></a><span id="zh-cn_topic_0000002013832557_ph20833205312295"><a name="zh-cn_topic_0000002013832557_ph20833205312295"></a><a name="zh-cn_topic_0000002013832557_ph20833205312295"></a>产品</span></p>
</th>
<th class="cellrowborder" align="center" valign="top" width="42%" id="mcps1.1.3.1.2"><p id="zh-cn_topic_0000002013832557_p783113012187"><a name="zh-cn_topic_0000002013832557_p783113012187"></a><a name="zh-cn_topic_0000002013832557_p783113012187"></a>是否支持</p>
</th>
</tr>
</thead>
<tbody><tr id="zh-cn_topic_0000002013832557_row220181016240"><td class="cellrowborder" valign="top" width="57.99999999999999%" headers="mcps1.1.3.1.1 "><p id="zh-cn_topic_0000002013832557_p48327011813"><a name="zh-cn_topic_0000002013832557_p48327011813"></a><a name="zh-cn_topic_0000002013832557_p48327011813"></a><span id="zh-cn_topic_0000002013832557_ph583230201815"><a name="zh-cn_topic_0000002013832557_ph583230201815"></a><a name="zh-cn_topic_0000002013832557_ph583230201815"></a><term id="zh-cn_topic_0000002013832557_zh-cn_topic_0000001312391781_term1253731311225"><a name="zh-cn_topic_0000002013832557_zh-cn_topic_0000001312391781_term1253731311225"></a><a name="zh-cn_topic_0000002013832557_zh-cn_topic_0000001312391781_term1253731311225"></a>Atlas A3 训练系列产品</term>/<term id="zh-cn_topic_0000002013832557_zh-cn_topic_0000001312391781_term12835255145414"><a name="zh-cn_topic_0000002013832557_zh-cn_topic_0000001312391781_term12835255145414"></a><a name="zh-cn_topic_0000002013832557_zh-cn_topic_0000001312391781_term12835255145414"></a>Atlas A3 推理系列产品</term></span></p>
</td>
<td class="cellrowborder" align="center" valign="top" width="42%" headers="mcps1.1.3.1.2 "><p id="zh-cn_topic_0000002013832557_p7948163910184"><a name="zh-cn_topic_0000002013832557_p7948163910184"></a><a name="zh-cn_topic_0000002013832557_p7948163910184"></a>√</p>
</td>
</tr>
<tr id="zh-cn_topic_0000002013832557_row173226882415"><td class="cellrowborder" valign="top" width="57.99999999999999%" headers="mcps1.1.3.1.1 "><p id="zh-cn_topic_0000002013832557_p14832120181815"><a name="zh-cn_topic_0000002013832557_p14832120181815"></a><a name="zh-cn_topic_0000002013832557_p14832120181815"></a><span id="zh-cn_topic_0000002013832557_ph1483216010188"><a name="zh-cn_topic_0000002013832557_ph1483216010188"></a><a name="zh-cn_topic_0000002013832557_ph1483216010188"></a><term id="zh-cn_topic_0000002013832557_zh-cn_topic_0000001312391781_term11962195213215"><a name="zh-cn_topic_0000002013832557_zh-cn_topic_0000001312391781_term11962195213215"></a><a name="zh-cn_topic_0000002013832557_zh-cn_topic_0000001312391781_term11962195213215"></a>Atlas A2 训练系列产品</term>/<term id="zh-cn_topic_0000002013832557_zh-cn_topic_0000001312391781_term1551319498507"><a name="zh-cn_topic_0000002013832557_zh-cn_topic_0000001312391781_term1551319498507"></a><a name="zh-cn_topic_0000002013832557_zh-cn_topic_0000001312391781_term1551319498507"></a>Atlas A2 推理系列产品</term></span></p>
</td>
<td class="cellrowborder" align="center" valign="top" width="42%" headers="mcps1.1.3.1.2 "><p id="zh-cn_topic_0000002013832557_p19948143911820"><a name="zh-cn_topic_0000002013832557_p19948143911820"></a><a name="zh-cn_topic_0000002013832557_p19948143911820"></a>√</p>
</td>
</tr>
</tbody>
</table>

## 函数功能<a name="zh-cn_topic_0000001357345205_zh-cn_topic_0000001265240874_section46831934202919"></a>

获取Tensor中的对齐后的数据大小。

## 函数原型<a name="zh-cn_topic_0000001357345205_zh-cn_topic_0000001265240874_section186399319293"></a>

```
virtual uint64_t GetDataBufferSize() const
```

## 参数说明<a name="zh-cn_topic_0000001357345205_zh-cn_topic_0000001265240874_section15860103919294"></a>

无。

## 返回值<a name="zh-cn_topic_0000001357345205_zh-cn_topic_0000001265240874_section1490114312914"></a>

Tensor中对齐后的data大小。

## 异常处理<a name="zh-cn_topic_0000001357345205_zh-cn_topic_0000001265240874_section16219204732913"></a>

无。

## 约束说明<a name="zh-cn_topic_0000001357345205_zh-cn_topic_0000001265240874_section6477115015296"></a>

无。
产品	是否支持
Atlas A3 训练系列产品/Atlas A3 推理系列产品	√
Atlas A2 训练系列产品/Atlas A2 推理系列产品	√