mindspore/docs/api/api_python/runtime/mindspore.runtime.StreamLim...

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mindspore.runtime.StreamLimitCtx
================================
.. py:class:: mindspore.runtime.StreamLimitCtx(stream, cube_num=-1, vector_num=-1)
上下文管理器,用于选择给定流的核数限制。
上下文范围内的所有在给定流上执行的算子都将指定cube和vector的核数。
参数:
- **stream** (:class:`mindspore.runtime.Stream`) - 指定的流。
- **cube_num** (int可选) - 设置流上的cube核数。默认值 ``-1``,表示不设置。
- **vector_num** (int可选) - 设置流上的vector核数。默认值 ``-1``,表示不设置。
异常:
- **TypeError** - 参数 `stream` 不是 :class:`mindspore.runtime.Stream`