Releases
v0.19.1
TensorFlow 2.2 compatibility, MPI args for horovodrun
TensorFlow
Added _aggregate_gradients
in DistributedOptimizer
to support Keras in TensorFlow 2.2. (#1784 )
PyTorch
Removed uses of deprecated PyTorch C++ API to support PyTorch 1.6. (#1731 )
Changes to horovodrun
Added process binding arguments to horovodrun. (#1767 )
Added --tcp
flag to horovodrun for TCP only communication. (#1744 )
Changes to installer
Added HOROVOD_BUILD_ARCH_FLAGS
to specify architecture-specific compiler flags. (#1751 )
Added Python extras to enforce that Horovod is installed after other frameworks. (#1785 )
API changes
Added mpi_args
to horovod.run.run
. (#1787 )
Added support for data transformation before train and validation in TorchEstimator
(#1750 )
Bugs
Fixed bug in cache dump. (#1739 )
Fixed root rank output handling in MXNet out-of-place broadcast. (#1740 )
Fixed data_type_to_str
for SparseVector and DenseVector. (#1780 )
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