• tf.eye()


    import tensorflow as tf
    
    print(tf.eye(2))
    
    batch_identity = tf.eye(2, batch_shape=[3])
    print(batch_identity)
    
    print(tf.eye(2, num_columns=3))
    E:新脚本主文件夹训练测试项目venv3Scriptspython.exe E:/新脚本主文件夹/训练测试项目/test_tf/eye.py
    2020-12-22 15:05:42.797079: W tensorflow/stream_executor/platform/default/dso_loader.cc:59] Could not load dynamic library 'cudart64_101.dll'; dlerror: cudart64_101.dll not found
    2020-12-22 15:05:42.797448: I tensorflow/stream_executor/cuda/cudart_stub.cc:29] Ignore above cudart dlerror if you do not have a GPU set up on your machine.
    2020-12-22 15:05:47.973319: I tensorflow/stream_executor/platform/default/dso_loader.cc:48] Successfully opened dynamic library nvcuda.dll
    2020-12-22 15:05:48.640457: I tensorflow/core/common_runtime/gpu/gpu_device.cc:1716] Found device 0 with properties: 
    pciBusID: 0000:06:00.0 name: Quadro M500M computeCapability: 5.0
    coreClock: 1.124GHz coreCount: 3 deviceMemorySize: 2.00GiB deviceMemoryBand 14.92GiB/s
    2020-12-22 15:05:48.648267: W tensorflow/stream_executor/platform/default/dso_loader.cc:59] Could not load dynamic library 'cudart64_101.dll'; dlerror: cudart64_101.dll not found
    2020-12-22 15:05:48.659902: I tensorflow/stream_executor/platform/default/dso_loader.cc:48] Successfully opened dynamic library cublas64_10.dll
    2020-12-22 15:05:48.668387: I tensorflow/stream_executor/platform/default/dso_loader.cc:48] Successfully opened dynamic library cufft64_10.dll
    2020-12-22 15:05:48.671699: I tensorflow/stream_executor/platform/default/dso_loader.cc:48] Successfully opened dynamic library curand64_10.dll
    2020-12-22 15:05:48.681127: I tensorflow/stream_executor/platform/default/dso_loader.cc:48] Successfully opened dynamic library cusolver64_10.dll
    2020-12-22 15:05:48.688573: I tensorflow/stream_executor/platform/default/dso_loader.cc:48] Successfully opened dynamic library cusparse64_10.dll
    2020-12-22 15:05:48.695409: W tensorflow/stream_executor/platform/default/dso_loader.cc:59] Could not load dynamic library 'cudnn64_7.dll'; dlerror: cudnn64_7.dll not found
    2020-12-22 15:05:48.695869: W tensorflow/core/common_runtime/gpu/gpu_device.cc:1753] Cannot dlopen some GPU libraries. Please make sure the missing libraries mentioned above are installed properly if you would like to use GPU. Follow the guide at https://www.tensorflow.org/install/gpu for how to download and setup the required libraries for your platform.
    Skipping registering GPU devices...
    2020-12-22 15:05:48.697503: I tensorflow/core/platform/cpu_feature_guard.cc:142] This TensorFlow binary is optimized with oneAPI Deep Neural Network Library (oneDNN)to use the following CPU instructions in performance-critical operations:  AVX2
    To enable them in other operations, rebuild TensorFlow with the appropriate compiler flags.
    2020-12-22 15:05:48.719109: I tensorflow/compiler/xla/service/service.cc:168] XLA service 0x1fe75c84fa0 initialized for platform Host (this does not guarantee that XLA will be used). Devices:
    2020-12-22 15:05:48.721500: I tensorflow/compiler/xla/service/service.cc:176]   StreamExecutor device (0): Host, Default Version
    2020-12-22 15:05:48.721963: I tensorflow/core/common_runtime/gpu/gpu_device.cc:1257] Device interconnect StreamExecutor with strength 1 edge matrix:
    2020-12-22 15:05:48.722528: I tensorflow/core/common_runtime/gpu/gpu_device.cc:1263]      
    tf.Tensor(
    [[1. 0.]
     [0. 1.]], shape=(2, 2), dtype=float32)
    tf.Tensor(
    [[[1. 0.]
      [0. 1.]]
    
     [[1. 0.]
      [0. 1.]]
    
     [[1. 0.]
      [0. 1.]]], shape=(3, 2, 2), dtype=float32)
    tf.Tensor(
    [[1. 0. 0.]
     [0. 1. 0.]], shape=(2, 3), dtype=float32)
    
    Process finished with exit code 0
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  • 原文地址:https://www.cnblogs.com/DDBD/p/14173154.html
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