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Modifies GraphModeFunction to emit PartitionedCall ops instead of Call ops
so that the created functions can execute across devices. This should strictly
increase the set of functions that tfe.defun can faithfully execute.
Previous to this change, functions executed through tfe.defun would ignore
device annotations and only run on a single device. It is not yet possible to execute
a function across multiple processes.
Specifically, this CL:
(1) Adds a stateful version of PartitionedCall,
(2) Modifies `defun` to emit PartitionedCall or StatefulPartitionedCall by default,
(3) Makes `tf.gradients` aware of the existence of `(Stateful)PartitionedCall`,
(4) Fixes bugs in PartitionedCallOp related to the placement of
resource-touching ops / which args and retvals are always on host memory, and
also removes the requirement for args/retvals to be passed through the host.
PiperOrigin-RevId: 203164388
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This is important when these arguments may appear in op input lists or output lists,
where the signature may not be able to declare them as sitting on host.
For DT_RESOURCE types, just the handles are marked as sitting on host memory;
the actual data may reside on GPU.
PiperOrigin-RevId: 178837213
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The goal is to make kernels mostly independent of proto headers, which will let
us lock down our .so imports. This CL makes a bunch of .cc files
either include node_def.proto.h themselves or not need the definition of
NodeDef; a second CL will make node_def_util.h not include node_def.proto.h.
RELNOTES: n/a
PiperOrigin-RevId: 159982117
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PiperOrigin-RevId: 155511618
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Change: 138135876
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type lists.
The current special case behavior is preserved only for functions and their gradients.
Change: 130100547
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Currently, if an operator has any type list arguments, HostMemory type annotations are ignored and the memory types for all arguments (type lists or not) are deduced from the data types.
This CL makes two changes:
* If an operator has a type list argument, only deduce memory types from data types for the type lists themselves. Use the normal rules for other arguments.
* In addition, make it possible to force type list arguments to be in HostMemory, overriding the default memory types.
Change: 128717962
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registration. Change op registration signature to return Status and return the registration data as an out parameter.
Add a shape inference function and test for AddN.
Support in function library needs to be expanded in a future change.
Change: 124871850
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Change: 123900938
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instead of the filename.
Change FindKernelDef to also return the class name, to help a tool that
generates ops_to_register.h to find the set of class names.
Change: 118381472
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Change: 114484861
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Change: 114448861
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Akshay Agrawal
Eugene Brevdo
Geoffrey Irving
Peter Hawkins
A. Unique TensorFlower
A. Unique TensorFlower