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* Added a C utility to create a ServerDef proto from text representation.Gravatar A. Unique TensorFlower2018-09-26
| | | | PiperOrigin-RevId: 214681193
* test is failing in asan, disabling for nowGravatar Olivia Nordquist2018-09-06
| | | | PiperOrigin-RevId: 211874311
* Added a new eager C API TFE_NewContextFromSession(), where TFE_NewContext willGravatar Mingsheng Hong2018-09-04
| | | | | | | | | | | | | | | get an owned device mgr from the input session. One use case is in S4TF, we run a graph session to enqueue a tensor into a fifo queue, and then call TFE_Execute() on a dequeue op over the same queue, as a way to transfer a tensor from TF to host (tensor tranfer in the other direction also works). To make this work, we need TFE_Context and the the TF_Session to use the same ResourceMgr object (attached to a Device, which is in turn owned by DeviceMgr), so that both can access the fifo queue resource op. PiperOrigin-RevId: 211471075
* Remove :c_api dependency from common_runtime/eagerGravatar Jared Duke2018-08-29
| | | | PiperOrigin-RevId: 210816713
* experimental C API: Fix compilation failure in Windows.Gravatar Asim Shankar2018-04-10
| | | | | | | | | | | | | The functions added in https://github.com/tensorflow/tensorflow/commit/be917027e37c5e8f21f6ba07f24bdbf072cf6dfd are temporary, and their existence breaks compilation in MSVC because of https://docs.microsoft.com/en-us/cpp/c-language/maximum-string-length and https://docs.microsoft.com/en-us/cpp/error-messages/compiler-errors-1/compiler-error-c2026 So just disabling it in Windows for now. PiperOrigin-RevId: 192391164
* Remove all_opensource_files. It's not needed any more.Gravatar Martin Wicke2018-03-28
| | | | PiperOrigin-RevId: 190878279
* Make _USE_C_API = True and _USE_C_SHAPES = False work with handle data, take 2.Gravatar Skye Wanderman-Milne2018-03-27
| | | | | | | | This change makes _set_shapes_for_outputs_c_api fetch and set Tensor._handle_data. This is necessary for running the Python shape inference code on resource tensors. PiperOrigin-RevId: 190681459
* Exclude Python C extension from tensorflow/c:srcs target.Gravatar Skye Wanderman-Milne2018-03-27
| | | | | | The Python extensions aren't part of the official C API. PiperOrigin-RevId: 190649576
* Added experimental C APIs to build a stack of dataset + iterator nodes thatGravatar Mingsheng Hong2018-03-26
| | | | | | reads imagenet TFRecord files. PiperOrigin-RevId: 190488817
* Automated g4 rollback of changelist 190293303Gravatar A. Unique TensorFlower2018-03-26
| | | | PiperOrigin-RevId: 190479555
* Make _USE_C_API = True and _USE_C_SHAPES = False work with handle data.Gravatar Skye Wanderman-Milne2018-03-25
| | | | | | | | This change makes _set_shapes_for_outputs_c_api fetch and set Tensor._handle_data. This is necessary for running the Python shape inference code on resource tensors. PiperOrigin-RevId: 190293303
* Added experimental C APIs to build a hard-coded stack of dataset + iterator.Gravatar Mingsheng Hong2018-03-22
| | | | PiperOrigin-RevId: 190170332
* Simplified the experimental APIs related to TPU execution, by moving the graphGravatar Mingsheng Hong2018-03-21
| | | | | | rewrite functionality out of it. PiperOrigin-RevId: 190016936
* Internal change.Gravatar Mingsheng Hong2018-03-14
| | | | PiperOrigin-RevId: 189131526
* Package c_api_experimental.h in binary release distributions.Gravatar Richard Wei2018-02-28
| | | | PiperOrigin-RevId: 187385913
* Remove experimental C API from srcs rule as it requires other sourcesGravatar A. Unique TensorFlower2018-02-19
| | | | PiperOrigin-RevId: 186213207
* Added an experimental C API TF_EnableXLACompilation() to enable XLA compilation.Gravatar Mingsheng Hong2018-02-16
| | | | | | Also ran "buildozer warn //third_party/tensorflow/c/BUILD" and removed an unused symbol. PiperOrigin-RevId: 186081948
* Added C-API based unit tests for GPU and XLA GPU testing.Gravatar Mingsheng Hong2018-02-14
| | | | | | Also refined the API comment for TF_NewSession(). PiperOrigin-RevId: 185739196
* Enabled XLA for TF C API.Gravatar Mingsheng Hong2018-02-09
| | | | | | | | | | | | | | | | | | | | | | | | | | Summary of changes: 1. Set MarkForCompilationPassFlags::tf_xla_cpu_global_jit default to true in C_API unit test env when XLA-execute is intended. Together with setting session config config.graph_options.optimizer_options.global_jit_level to > 0, this turns on XLA for the entire graph (eligible nodes only, with _Arg and _RetVal nodes excluded). We decided against defaulting MarkForCompilationPassFlags::tf_xla_cpu_global_jit to true, due to performance concerns with the single-threaded nature of the XLA CPU backend (see https://www.tensorflow.org/performance/xla/jit#turning_on_jit_compilation). 2. In FindCompilationCandidates() during MarkForCompilationPass, skip compiling any '_Arg'-typed nodes. This is necessary to avoid hitting a "Invalid argument number" error during MarkForCompilationPass. 3. Extended C API based build rules to link in XLA libraries, and added unit test "CAPI.Session_Min_XLA_CPU". Also added some misc improvements and debugging aids. PiperOrigin-RevId: 185193314
* Initial XLA support for TF eager. This is prerequisite for TF compiler's XLA ↵Gravatar Mingsheng Hong2018-02-07
| | | | | | | | | | | | | | support. This CL adds XLA support for the following TFE_Op's: 1. A TF op such as MatMul, with full support of constant and resource params. 2. A TF_Function as TFE_Op, where the function must have no constant and resource params. Removing this restriction requires more discussion and will be deferred to a later time. PiperOrigin-RevId: 184877345
* Add new src targets for C API and native TFGravatar A. Unique TensorFlower2018-01-22
| | | | PiperOrigin-RevId: 182807258
* Read ApiDef from TensorFlow Go API.Gravatar Anna R2017-12-20
| | | | PiperOrigin-RevId: 179625412
* Internal change.Gravatar A. Unique TensorFlower2017-10-13
| | | | PiperOrigin-RevId: 172105420
* Use void* intead of TF_Buffer in TF_FunctionImportFunctionDefGravatar Igor Ganichev2017-09-28
| | | | | | | void* is more common (and more convenient) for passing in serialized protobufs in c_api.h. PiperOrigin-RevId: 170386128
* Add append_hash_to_fn_name arg to TF_GraphToFunctionGravatar Igor Ganichev2017-09-28
| | | | PiperOrigin-RevId: 170379490
* Implement TF_FunctionImportFunctionDefGravatar Igor Ganichev2017-09-19
| | | | PiperOrigin-RevId: 169304057
* Add function support to Tensorflow C APIGravatar Igor Ganichev2017-08-30
| | | | | | | | This change adds minimal functionality. Support for FunctionOptions, attributes, output name rewriting, function name generation, etc is comming next. PiperOrigin-RevId: 167091238
* Introduce C++ API while loop builder methodGravatar Skye Wanderman-Milne2017-08-29
| | | | | | | | | | | | | | | | | | This change adds a new function, BuildWhileLoop(), that constructs a while loop. BuildWhileLoop() takes functions that build the cond and body graphs, similar to the Python while_loop function. It also switches the C API to use this new function in order to reduce code duplication. This is in preparation for while loop gradients, which are also implemented in the C++ API (along with the other gradient code). I didn't write unit tests for BuildWhileLoop, instead relying on the current C API while loop tests. This change also disables while loop creation on Android to avoid pulling in extra C++ dependencies. PiperOrigin-RevId: 166849829
* Unify the NDArray <-> Tensor conversion.Gravatar A. Unique TensorFlower2017-08-23
| | | | PiperOrigin-RevId: 166297415
* C API: Make TF_TensorFromTensor return an error instead of just logging it.Gravatar Asim Shankar2017-08-03
| | | | PiperOrigin-RevId: 164167582
* C API: Groundwork for experimenting with TF_Tensor in device memory.Gravatar Asim Shankar2017-07-27
| | | | | | | | TF_Tensor objects are always backed by host memory. This commit lays the groundwork for allowing TF_Tensor objects to refer to tensor data on device (e.g., GPU) memory. PiperOrigin-RevId: 163388079
* Split out new while_loop_test.cc from c_api_test.ccGravatar Skye Wanderman-Milne2017-07-17
| | | | | | | | This change also separates shared functionality into c_test_util.h/cc. This brings c_api_test.cc to a mere 1715 LOC (further splits can be more easily done now too). PiperOrigin-RevId: 162216399
* Add c_api dep to python_api targetGravatar Skye Wanderman-Milne2017-07-13
| | | | | | c_api_internal doesn't actually export c_api.h, which python_api.h depends on. PiperOrigin-RevId: 161874954
* Introduce Python-only extensions to the C APIGravatar Skye Wanderman-Milne2017-07-12
| | | | | | | | | Implements an incomplete version of Operation._add_control_input() using a new extension to make sure the plumbing works. This also adds header guards to c_api_internal.h, which were missing. For some reason the missing guards caused problems in the cmake build even though there doesn't appear to be any #include cycles. PiperOrigin-RevId: 161705859
* Prepare to remove a bunch of proto.h includes from tensorflow/core headersGravatar Geoffrey Irving2017-06-29
| | | | | | | | | | | | The goal is to make kernels mostly independent of proto headers, which will let us lock down our .so imports. This CL does not remove any actual headers, but changes a bunch of files so that header removal is possible in a followup CL. It also marks the headers that will be removed with // TODO(b/62899350): Remove RELNOTES: n/a PiperOrigin-RevId: 160552878
* Include c++ gradients in c_api build rule.Gravatar Suharsh Sivakumar2017-05-04
| | | | | | #6268 #9150 Change: 155146664
* Internal C API headers.Gravatar Alexandre Passos2017-04-20
| | | | Change: 153717143
* Add C++ gradients to c_api.Gravatar Suharsh Sivakumar2017-04-13
| | | | | | | | | | | #6268 This CL does the following: (1) Adds TF_AddGradients function to C_API which adds gradient nodes for the specified inputs. (2) Adds internal constructor for Scope, need to create a scope from an existing graph in the c_api. (3) Adds constructor for AddSymbolicGradients that assumes OnesLike when grad_inputs aren't provided. (4) Improves error message when gradients aren't provided. Change: 153092774
* libtensorflow.so: Don't export private symbols.Gravatar Asim Shankar2017-04-06
| | | | | | | | | | | | With this change, libtensorflow.so will only export functions defined in c_api.h. This also results in a decreased binary size of libtensorflow.so. On Linux the decrease was from roughly 150MB to 67MB. On OS X it was from roughly 101MB to 82MB. Also fixes #8923 Change: 152366053
* C API methods for creating while loopsGravatar Skye Wanderman-Milne2017-02-07
| | | | Change: 146788176
* Remove explicit static linking from tests that load a shared library.Gravatar Suharsh Sivakumar2017-01-24
| | | | | This was causing the .so files to have undefined symbols from core/framework. Change: 145479847
* Automated rollback of change 144673014Gravatar Asim Shankar2017-01-18
| | | | Change: 144834404
* Automated rollback of change 144470928Gravatar Patrick Nguyen2017-01-16
| | | | Change: 144673014
* C API: Package rules for a C library and header files.Gravatar Asim Shankar2017-01-13
| | | | | | | The intent is to produce a libtensorflow.tar.gz as part of the release process to facilitate a leaner (no Python dependencies), smoother installation process for TensorFlow usage in other languages. Change: 144470928
* Java/C API: Make them Android friendly.Gravatar Asim Shankar2017-01-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Make the C library and JNI shared library targets Android friendly by linking with the smaller android runtime when building with --config=android Relatedly, strip all but the JNI symbols from libtensorflow_jni.so (regardless of build configuration) to trim its size down (by roughly 50%). Link in the Java libraries in the Android examples. The longer term intention is to encourage use of the TensorFlow Java API in Android and do away with the TensorFlowInferenceInterface class (and related JNI code) currently used in Android. This will provide a single, more thoroughly tested API for use in all Java settings - Android or not. An update to the Android example to switch to this will come in a follow up change. NOTES: - For expediency of this change, the C API call: TF_LoadSessionFromSavedModel is not available when building for Android. I will look into fixing that separately. - Linking in the JNI library required by the TensorFlow Java API results in a small increase (0.7%) in binary size of libtensorflow_demo.so An unrelatedly, rename libtensorflow-jni.so to libtensorflow_jni.so to be consistent with other shared libraries created in tensorflow. Change: 144320074
* Add SavedModel support to the C APIGravatar Jonathan Hseu2016-12-19
| | | | Change: 142477558
* Automated rollback of change 138934248Gravatar Asim Shankar2016-11-14
| | | | Change: 139096643
* C API: Package rules for a C library and header files.Gravatar Asim Shankar2016-11-11
| | | | | | | The intent is to produce a libtensorflow.tar.gz as part of the release process to facilitate a leaner (no Python dependencies), smoother installation process for TensorFlow usage in other languages. Change: 138934248
* TF Checkpoint V2: make CheckpointReader work with the V2 format.Gravatar Zongheng Yang2016-09-28
| | | | | | | | | | | | | If the same checkpoint prefix identifies both a V1 checkpoint and a V2 checkpoint on disk, the V2 version takes priority -- which matches the same behavior as the RestoreV2 op. Typical usage: $ bazel run tensorflow/python/tools:inspect_checkpoint -- --file_name=<V2 ckpt prefix> Other changes: add DebugString() and Contains() to BundleReader. Change: 134543092
* Add TF_DeleteLibraryHandle, for freeing the memory allocated by TF_LoadLibrary.Gravatar A. Unique TensorFlower2016-09-12
| | | | | | This is useful when calling the C API from C++, to avoid memory leaks being reported. Change: 132937873
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