tensorflow-plugins/libmetal_plugin.dylib, 6): Symbol not found: _TF_AssignUpdateVariable

Question

Created Jul ’21

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I installed tensorflow-mac and tensorflow-metal on an iMac 2021 27" running Big Sur with an AMD Radeon Pro 5700 XT. I am running Python 3.8.5

 (tensorflow-metal) (base) davidlaxer@x86_64-apple-darwin13 ~ % pip list
 
Package                 Version             Location
 
----------------------- ------------------- -------------------------

 ...
tensorboard             2.5.0
 
tensorboard-data-server 0.6.1
 
tensorboard-plugin-wit  1.8.0
 
tensorflow              2.5.0
 
tensorflow-estimator    2.5.0
 
tensorflow-hub          0.12.0
 
tensorflow-macos        2.5.0
 
tensorflow-metal        0.1.1
 
tensorflow-text         2.5.0

When I try to import tensorflow I get this error:

  % ipython
 
Python 3.8.5 (default, Sep  4 2020, 02:22:02) 
 
Type 'copyright', 'credits' or 'license' for more information
 
IPython 7.24.1 -- An enhanced Interactive Python. Type '?' for help.
 
 
 
In [1]: import tensorflow
 
---------------------------------------------------------------------------
 
NotFoundError                             Traceback (most recent call last)
 
<ipython-input-1-d6579f534729> in <module>
 
----> 1 import tensorflow
 
 
 
~/tensorflow-metal/lib/python3.8/site-packages/tensorflow/__init__.py in <module>
 
    447     _plugin_dir = _os.path.join(_s, 'tensorflow-plugins')
 
    448     if _os.path.exists(_plugin_dir):
 
--> 449       _ll.load_library(_plugin_dir)
 
    450       # Load Pluggable Device Library
 
    451       _ll.load_pluggable_device_library(_plugin_dir)
 
 
 
~/tensorflow-metal/lib/python3.8/site-packages/tensorflow/python/framework/load_library.py in load_library(library_location)
 
    152 
 
    153     for lib in kernel_libraries:
 
--> 154       py_tf.TF_LoadLibrary(lib)
 
    155 
 
    156   else:
 
 
 
NotFoundError: dlopen(/Users/davidlaxer/tensorflow-metal/lib/python3.8/site-packages/tensorflow-plugins/libmetal_plugin.dylib, 6): Symbol not found: _TF_AssignUpdateVariable
 
  Referenced from: /Users/davidlaxer/tensorflow-metal/lib/python3.8/site-packages/tensorflow-plugins/libmetal_plugin.dylib
 
  Expected in: flat namespace

Boost

Answer 1

Frameworks Engineer OP

Apple

Jul ’21

Given that you are seeing missing symbols like _TF_AssignUpdateVariable, it means that you have a mismatch between tensorflow and the metal plugin. You need to make sure to install tensorflow-macos using:

python -m pip install tensorflow-macos

See https://developer.apple.com/metal/tensorflow-plugin/ for details.

0

	(tensorflow-metal) (base) davidlaxer@x86_64-apple-darwin13 ~ % pip list

	Package Version Location

	----------------------- ------------------- -------------------------

	...
	tensorboard 2.5.0

	tensorboard-data-server 0.6.1

	tensorboard-plugin-wit 1.8.0

	tensorflow 2.5.0

	tensorflow-estimator 2.5.0

	tensorflow-hub 0.12.0

	tensorflow-macos 2.5.0

	tensorflow-metal 0.1.1

	tensorflow-text 2.5.0

	% ipython

	Python 3.8.5 (default, Sep 4 2020, 02:22:02)

	Type 'copyright', 'credits' or 'license' for more information

	IPython 7.24.1 -- An enhanced Interactive Python. Type '?' for help.



	In [1]: import tensorflow

	---------------------------------------------------------------------------

	NotFoundError Traceback (most recent call last)

	<ipython-input-1-d6579f534729> in <module>

	----> 1 import tensorflow



	~/tensorflow-metal/lib/python3.8/site-packages/tensorflow/__init__.py in <module>

	447 _plugin_dir = _os.path.join(_s, 'tensorflow-plugins')

	448 if _os.path.exists(_plugin_dir):

	--> 449 _ll.load_library(_plugin_dir)

	450 # Load Pluggable Device Library

	451 _ll.load_pluggable_device_library(_plugin_dir)



	~/tensorflow-metal/lib/python3.8/site-packages/tensorflow/python/framework/load_library.py in load_library(library_location)

	152

	153 for lib in kernel_libraries:

	--> 154 py_tf.TF_LoadLibrary(lib)

	155

	156 else:



	NotFoundError: dlopen(/Users/davidlaxer/tensorflow-metal/lib/python3.8/site-packages/tensorflow-plugins/libmetal_plugin.dylib, 6): Symbol not found: _TF_AssignUpdateVariable

	Referenced from: /Users/davidlaxer/tensorflow-metal/lib/python3.8/site-packages/tensorflow-plugins/libmetal_plugin.dylib

	Expected in: flat namespace