Intuitive Features, Bug Fixes And More


The TensorFlow Staff at Google AI has been tirelessly researching on making enhancements and updates to its common machine studying platform, TensorFlow. The builders on the tech large have now launched the upgraded model of this platform, TensorFlow 2.2.0.

TensorFlow 2.2.Zero consists of a number of numbers of adjustments and bug fixes as a way to make the library extra productive. The present TensorFlow launch now requires the gast model 0.3.3. Beforehand, in a put up, the TensorFlow staff introduced that it’ll cease supporting Python 2 when upstream help ends in 2020, and in flip, they may be capable of make the most of new options within the present model of the Python language and normal library.

They said, “After January 1, 2020, we is not going to distribute binaries for Python 2, and we is not going to require Python 2 compatibility for adjustments to the codebase. It’s possible that TensorFlow is not going to work with Python 2 in 2020 and past.”

With this new replace, the builders additionally launched TensorFlow’s Docker Pictures that present Python Three solely. They additional talked about that since all of the docker photos will now use Python 3, the Docker tags containing -py3 will now not be working. Additionally, the present -py3 tags like latest-py3 is not going to be up to date additional.

Right here, we talked about among the main options and enhancements which can be being up to date in TensorFlow 2.2.0-


TensorFlow Docker Pictures

The TensorFlow Docker photos are primarily based on TensorFlow‘s official Python binaries, which require a CPU with AVX help. Beginning on April 2, 2020, the builders stopped publishing the duplicate-py3 photos.  

New Profiler for TF 2 

In TensorFlow 2.2, a brand new Profiler for TF 2 for CPU/GPU/TPU has been included that provides each system and host efficiency evaluation, together with enter pipeline and TF Ops. Utilizing the TensorFlow Profiler to profile the execution of your TensorFlow code helps in quantifying the efficiency of a machine studying utility.

Use pybind11 To export C++

On this model, as a way to export C++ features to Python, you might want to use pybind11 versus SWIG. TensorFlow 2.2 shall be utilizing pybind11 as part of the deprecation of swig efforts the place SWIG is an interface compiler that helps in connecting code written in C++ with Python API.

Scalar Kind Changed

The scalar kind is changed for string tensors from std::string to tensorflow::tstring and is now ABI secure.


There have been efficiency enhancements for GPU multi-worker distributed coaching utilizing tf.distribute.experimental.MultiWorkerMirroredStrategy. Additionally, the tf.keras.layers.experimental.SyncBatchNormalization layer help has been added for international sync BatchNormalization. 


There have been main enhancements in Mannequin.match similar to now you can use customized coaching logic with Mannequin.match by overriding Mannequin.train_step, simply writing state-of-the-art coaching loops, see the default Mannequin.train_step, amongst others. In TensorFlow 2.2, all Keras built-in layers are actually supported by the SavedModel format, together with metrics, preprocessing layers, and stateful RNN layers.

Keras compile and match behaviour for useful and subclassed fashions have been unified, and the mannequin properties similar to metrics, metrics_names will now be accessible solely after coaching or evaluating the mannequin on precise information for useful fashions. In keeping with the builders, metrics will now embrace mannequin loss and output losses, whereas the loss_functions property has been faraway from the mannequin.


Now you can allow TFLite experimental new converter by default.


The XLA now builds and works on home windows, and all prebuilt packages include XLA accessible. Additionally, XLA could be enabled for a tf.perform with “compile or throw exception” semantics on CPUs and GPUs. The builders have deprecated XLA_CPU and XLA_GPU gadgets with this launch.  

A few of the bug fixes are talked about beneath:-
  • Tf.information: autotune_algorithm has been faraway from experimental optimisation choices
  • TF Core: Keen TensorHandles preserve an inventory of mirrors for any copies to native or distant gadgets that avoids any redundant copies on account of op execution. For tf.Tensor & tf.Variable, .experimental_ref() is now not experimental and is obtainable as .ref().
  • Tf.keras: experimental_aggregate_gradients argument is added to tf.keras.optimizer.Optimizer.apply_gradients which permits customized gradient aggregation and processing aggregated gradients in a customized coaching loop.
  • TPU Enhancements: TensorFlow 2.2 now helps configuring TPU software program model from cloud TPU consumer.

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