我使用此脚本在安装并启用了 GPU 的机器上训练模型和预测，并且它似乎在预测阶段仅使用 CPU。
我在这.predict()部分看到的设备放置日志如下：
2020-09-01 06:08:19.085400: I tensorflow/core/common_runtime/eager/execute.cc:573] Executing op RangeDataset in device /job:localhost/replica:0/task:0/device:CPU:0
2020-09-01 06:08:19.085617: I tensorflow/core/common_runtime/eager/execute.cc:573] Executing op RepeatDataset in device /job:localhost/replica:0/task:0/device:CPU:0
2020-09-01 06:08:19.089558: I tensorflow/core/common_runtime/eager/execute.cc:573] Executing op MapDataset in device /job:localhost/replica:0/task:0/device:CPU:0
2020-09-01 06:08:19.090003: I tensorflow/core/common_runtime/eager/execute.cc:573] Executing op PrefetchDataset in device /job:localhost/replica:0/task:0/device:CPU:0
2020-09-01 06:08:19.097064: I tensorflow/core/common_runtime/eager/execute.cc:573] Executing op FlatMapDataset in device /job:localhost/replica:0/task:0/device:CPU:0
2020-09-01 06:08:19.097647: I tensorflow/core/common_runtime/eager/execute.cc:573] Executing op TensorDataset in device /job:localhost/replica:0/task:0/device:CPU:0
2020-09-01 06:08:19.097802: I tensorflow/core/common_runtime/eager/execute.cc:573] Executing op RepeatDataset in device …如何知道用户是否在我的Chrome扩展程序中点击了Chrome中的后退/前进按钮？
可以给我任何此类信息的唯一API是在chrome.webNavigation.onCommitted单击后退或前进按钮的情况下,发送NavigationQualifier包含字符串的内容'forward_back'.这里的问题是我无法区分这两个按钮.