Python–张量流。设备规格设备索引属性

原文:https://www . geesforgeks . org/python-tensorflow-device spec-device _ index-attribute/

TensorFlow 是谷歌设计的开源 Python 库，用于开发机器学习模型和深度学习神经网络。

device_index 用于获取 DeviceSpec 的设备索引。

语法:张量流。设备规格.设备 _ 索引

返回:返回设备索引。

例 1:

Python 3

# Importing the library
import tensorflow as tf

# Initializing Device Specification
device_spec = tf.DeviceSpec(job ="gfg", device_type ="CPU", device_index = 0)

# Printing the DeviceSpec object
print('Device Spec: ', device_spec)

# Getting device index
device_index = device_spec.device_index

# Printing the result
print('Device Index: ', device_index)

输出:

Device Spec:  <tensorflow.python.framework.device_spec.DeviceSpecV2 object at 0x7fe5ba96aee8>
Device Index:  0

例 2:

Python 3

# Importing the library
import tensorflow as tf

# Initializing Device Specification
device_spec = tf.DeviceSpec(job ="gfg", device_type ="CPU", device_index = 1)

# Printing the DeviceSpec object
print('Device Spec: ', device_spec)

# Getting device index
device_index = device_spec.device_index

# Printing the result
print('Device Index: ', device_index)

输出:

Device Spec:  <tensorflow.python.framework.device_spec.DeviceSpecV2 object at 0x7fe5ba97f048>
Device Index:  1

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