c++ - tensorflow 教程中有关量化的错误

标签 c++ tensorflow

这篇文章是在我的另一篇关于 op 未注册的文章之后发布的:: NotFoundError: Op type not registered 'Dequantize'

现在,当我尝试像这篇文章中那样手动加载时: Install Tensorflow with Quantization Support

与:

qops = tf.load_op_library('/home/artem/projects/tensorflow/bazel-bin/tensorflow/contrib/quantization/_quantized_ops.so')
qkernelops = tf.load_op_library('/home/artem/projects/tensorflow/bazel-bin/tensorflow/contrib/quantization/kernels/_quantized_kernels.so')

我收到以下错误:

---------------------------------------------------------------------------
NotFoundError                             Traceback (most recent call last)
<ipython-input-4-799f99708cda> in <module>()
      1 
----> 2 qops = tf.load_op_library('/home/artem/projects/tensorflow/bazel-bin/tensorflow/contrib/quantization/_quantized_ops.so')
      3 qkernelops = tf.load_op_library('/home/artem/projects/tensorflow/bazel-bin/tensorflow/contrib/quantization/kernels/_quantized_kernels.so')

/usr/local/lib/python2.7/dist-packages/tensorflow/python/framework/load_library.pyc in load_op_library(library_filename)
     69           return _OP_LIBRARY_MAP[library_filename]
     70       # pylint: disable=protected-access
---> 71       raise errors._make_specific_exception(None, None, error_msg, error_code)
     72       # pylint: enable=protected-access
     73   finally:

NotFoundError: /home/artem/projects/tensorflow/bazel-bin/tensorflow/contrib/quantization/_quantized_ops.so: undefined symbol: _ZN10tensorflow8internal21CheckOpMessageBuilder9NewStringB5cxx11Ev

看起来这是 C++ 编译器的问题,也许我应该添加 -D_GLIBCXX_USE_CXX11_ABI=0 ,如本文中所示: https://github.com/tensorflow/tensorflow/pull/1584

但实际上我做了bazel-build,但我不知道如何管理它。

有人可以帮助我吗?测试示例来自https://www.tensorflow.org/versions/master/how_tos/quantization/index.html也不行。 如果有人能写出有关量化的详细手册,那就太好了。

最佳答案

Tensorflow 0.10 发布了!我更新后解决了这个问题! 在您的脚本中添加这些代码:

from tensorflow.contrib.quantization import load_quantized_ops_so
from tensorflow.contrib.quantization.kernels import load_quantized_kernels_so

load_quantized_ops_so.Load()
load_quantized_kernels_so.Load()

感谢 TF 团队!

关于c++ - tensorflow 教程中有关量化的错误,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/38615558/

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