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Prepare for keras-mxnet 2.2 release (#117)
* Document that "same" is inconsistent across backends with strides!=1 (#9629) * Document that `"same"` is inconsistent across backends with `strides` != 1 * Use "[here](...)" * Add h5py to dependencies * import `pydot`, improve error messages about `pydot` and GraphViz, bump to `pydot >= 1.2.4` (#9904) * REL: bump to `pydot >= 1.2.4` in `extras_require` * MAI: import pydot (as required in `extras_require`) * MAI: refine error messages for `pydot` and GraphViz distinguish between absence of `pydot` and failure to find the executables of GraphViz in the $PATH. * DEV: ignore `.pytest_cache` * Added note to manually install h5py where needed (#9830) * Added notes to manually install h5py if needed * Added FAQ entry on h5py * deleted redundant remark about h5py * updated FAQ to reflect dependency change * fixed comment format to pass failing test * removed new trailing whitespaces * improved docstring format * reverted callbacks.py * fixed links in model.py * updated faq.py * link pointing to FAQ * Added an error message for undefined shape on NASNet. (#9891) * Added an error message for undefined shape on NASNet. * Forgot that the message should be present only when loading imagenet weights. * Changed the message. * Fix PEP8 * Make conv_invalid_use and pooling_invalid_use efficient (#9944) * Chenta/cntk bn (#9952) * fix cntk static learning phase issue; add a test * fix code style;add more comments * add boolean support * fix code style issue * fixing typos (#10016) * Add `separable_conv2d` for Theano (#10003) * Add `separable_conv2d` for Theano * Enable the layer test for `separable_conv2d` * Fix the strides for 1x1 conv * Refactor topological part of `engine` module (#10023) * Refactor topological part of Keras engine. * Fix imports * Fix merge mixup. * Fix Bidirectional Regularization (#10012) * Fix Bidirectional Regularization Override the Wrapper `get_updates_for` and `get_losses_for` methods so that contributions from both the forward and backward layers are included in Bidirectional. * Use Parent for Calculating Inner Inputs Remove unneeded inner input calculations. * Simplify Bidirectional Losses * Add Bidirectional Unit Tests Test Bidirectional updates and losses. * Remove Trailing Whitespace * Fix Bidirectional Loss Inputs * Add Tests for Conditional Updates/Losses * Remove Whitespace * Refactor training part of `engine` module. (#10029) * Refactor topological part of Keras engine. * Fix imports * Fix merge mixup. * Refactor training part of the Keras engine. * Fix unit tests. * Fix `int_shape` of Theano and Refactor associated lines (#10030) * Add exceptions for `batch_dot` (#10020) * Enable Xception to work on Theano and CNTK (#10024) * Enable Xception to work on Theano and CNTK * Fix different predictions over all the backends * Add support for passthrough arguments to NumpyArrayIterator (#10035) * Add support for second output to NumpyArrayIterator * Enable Model subclassing API (#10046) * Refactor topological part of Keras engine. * Fix imports * Fix merge mixup. * Refactor training part of the Keras engine. * Fix unit tests. * Refactor Network to prepare support for Model subclassing * Finish enabling Model subclassing. * Add `long_description` field in setup.py. * Remove unused import * Increase pytest duration from 10 mins to 20 mins (#10072) * [RELNOTES] Simplify implementation of Sequential and remove legacy Merge support (#10077) * Refactor topological part of Keras engine. * Fix imports * Fix merge mixup. * Refactor training part of the Keras engine. * Fix unit tests. * Refactor Network to prepare support for Model subclassing * Finish enabling Model subclassing. * Simplify Sequential implementation. RELNOTES: This breaks weight loading and model loading/saving for models from Keras 0.* that used Merge layers. The Merge layer has been deprecated for 2 years. * [RELNOTES] Remove support for Keras 0.* Merge layer and associated functionality, which was scheduled for 08/2017. * fix typo (#10078) * Add documentation to several activation functions (#10066) * Add documentation to several activation functions * Fix style issues. * Small style fixes. * [RELNOTES] Introduce `preprocessing.image.save_img` and remove deprecated imsave method in neural style transfer example (#9996) * imsave method in scipy.misc package is deprecated - now using imageio * updated save_img method to use array_to_img method. also updated the neural style transfer example to use the new save_img method * forgot to commit changes - updated save_img * added file_format and **kwargs parameter to save_img and updated docstring * removed space at the end of a line in save_img method. updated instances of imsave in example scripts with save_img method. * added kwargs to docstring. removed additional whitespace lines * removed trailing whitespace * Extensive style fixes in `preprocessing.image`. * [RELNOTES] Allow loading external backends (#10034) * load external backend * safety++ * Excpetion -> ValueError * Revert TF version to 1.7 on Travis CI. (#10101) * New Callback: EarlyBaselineStopping (#10061) * Initial Commit * Continued changes * Alpha version * Added support to make sure that previous epochs, which may pass the baseline test, are kept in variable history. * Code formatting * Code formatting * Code formatting to address CI errors * Code formatting for CI errors * Initial unit test code * Adjust for epoch being zero-based * Code formatting * Unit tests added * Code formatting * Code formatting * Factorized the unit test * Code formatting * Refactored to be part of EarlyStopping and modified unit tests * Code formatting * Adds MobiletNetV2 to applications (#10047) * [RELNOTES] Allow symbolic tensors to be fed to models (with TF backend) (#10087) * Allow symbolic tensors to be fed to models (with TF backend) * Skip tensor feeding tests when TF>=1.8 not available. * [RELNOTES] Fix EarlyStopping API * Fix shape mismatch in `rnn()` of tensorflow_backend (#10038) * Fix shape mismatch in `rnn()` of tensorflow_backend Fix the shape mismatch in `rnn()` with `not unroll` and `mask is not None` of the Tensorflow backend. Problem: If the rnn cell has any (recurrent) `states[i]` whose shape is different from that of the `output` (`states[0]`), there will raise an `ValueError` when updating that state. Reason: This is because the `tiled_mask_t` is not updated correctly for each `states[i]` but instead is simply copied from that of the `output` (`states[0]`). Solution: Tile the `mask_t` with the correct shape of each `states[i]`. Notice that in a similar situation with `unroll is True`, the `tiled_mask_t` is handled correctly. * add unit_test for rnn() with states whose shape is different from that of the output. * Revert "add unit_test for rnn() with states whose shape is different from that of the output." This reverts commit f1df2a58ff635bbf698444e3d7403785a92dfed1. * Simplify the unit_test for rnn with additional states * [RELNOTES] Default `Flatten` layer’s `data_format` argument to `None`. * #10080 Convert CuDNN weights in nested Model. (#10081) * #10080 Convert CuDNN weights in nested Model. - similar problem to nesting in Bidirectional (#8860) - quick fix: just copy/paste. I'll refactor it later - also convert biases from H5 Dataset to np.array for reshape() (#9662) * Refactor keras.engine.saving.preprocess_weights_for_loading(). - less duplication - extracted conversion methods for Bidirectional/Model/Sequential * Format docstrings to follow the project code style. * Move tests of CuDNN RNN weight conversion to a more proper place. - move from cudnn_recurrent_test.py to test_model_saving.py - adjust imports to be consistent * Make better tests for CuDNN RNN weight conversion. - add nested models (#10080) - various model types: add Model, Sequential (not only Sequential) - convert weights on model, not layer (not test nesting in models) - test just by save/load model weights instead of calling preprocess_weights_for_loading() directly * Check GPU support via tf in pytest skipif with short-circuit evaluation. It seems that multiple skipif decorators get evaluated eagerly, not lazily. Thus it fails on theano and cntk backends. I don't understand why the tests didn't fail until now. Maybe some change in pytest? * Refactor (deduplicate) skipif decorators for TensorFlow and GPU. At least multiple occurrences within a test module. Now we can't import from `tests/` and `keras.utils.test_utils` don't se pytest. Otherwise we can define the marker only once at all. * Fix PEP8 (whitespace). * Add `separable_conv1d` (#10125) * Add `separable_conv1d` for Theano * Add `separable_conv1d` for CNTK * Fix preprocess_input not working with int arrays (#10134) * Make MobileNet tests random (#10132) * Sample weighted ImageDataGenerator (#10092) * Add support for sample_weight in ImageDataGenerator.flow * Added test for sample weighted imagedatagen * clarified docs + PEP8 * pep8 - blank line * sample_weight argument after shuffle * RNN docstring fixes; pass `maximum_iteration` argument to `while_loop` in TF. * Use `embedding_lookup` for `gather` in TF backend (enables partitioned variables). * Add `data_format` argument to Conv1D; docstring style fixes. * Further fixes. * Fix initializers (#9963) * fix VarianceScaling * Correct standard initializer testing * Add test for truncated normal in backend * Use correct theano function for truncated_normal * Fix sloppiness in correction * fix PEP * improve style initialiser fix * fix line length * Use NCW/NWC for conv1d data format in TF backend. * Model loading: do not return inside `try` block. * Rely on `Flatten` layer to do data_format conversion in ResNet50, VGG16, VGG19. * Remove potentially misleading warning messages in `applications`. * Fix typo. * Remove useless super delegation. * Remove batch_size when doing stepwise fit (#10144) `batch_size` is always `None` , because `steps_per_epoch` and `batch_size` are mutually exclusive. Passing batch_size seems irrelevant as `None` is its default value in `test_loop` * Add exceptions for `fit_loop` (#10145) * Style fixes (#10148) * Fix ConvLSTM2D unit_forget_bias initializer * Avoid a warning by using 'x = x * y' instead of 'x *= y' (#10158) * Fix undefined behaviour: preprocess_input copying/not copying the input arrays (#10153) * Add copy option for image preprocessing * Fix unnecessary import * Fix style * fix test error * Make modifications in-place instead * vae examples fixes (#10062) * vae examples fixes * white spaces around op * comments and docstring fixes * comments and docstring fixes * comments and docstring fixes * fixes on docs * docs and spacing * Merge 2 functions together in applications MobileNetV2 (#10163) * merge 2 functions together _inverted_res_block() and _first_inverted_res_block() are nearly the same. Merged them into one function 1. skip "Expand" part for 0 block 2. made layers names similar to original TF graph names * added "mobl_" to prefix, pep8 fix * remove dropout parameter * concise prefix name * Remove named argument from schedule function (#10178) * Add missing doc (#10188) * Best to set self.built=True at the end of build() (#10191) When using Keras on TensorFlow (in graph mode), via `tf.keras`, then calling `self.add_weight()` fails if `self.built==True`, so it is best to encourage users to set `self.built=True` at the *end* of their `build()` method, rather than just "somewhere". * Clean up preprocessing of `depthwise_kernel` for Theano (#10189) * Allow dynamic backends in _need_convert_kernel (#10111) * Fix _need_convert_kernel for external backends * Don't assume external backend won't support NASNet * Update from review comments * fix TensorBoard callback with unit test (#10173) * Allow project specific config files in Keras (#10183) * Allow project specific config files in Keras * Clearer code, updated comment * Update cifar10_resnet.py (#10199) change the comments on line 133. * Adds height_shift_range to preprocessing.image doc and adds support for indentation in auto-generated doc (#10194) * Update README.me * Mobilenetv2 explanation (#10174) * i add mobilenetv2 to the table * dd explanation for mobilenetv2 * add explanation for mibilenetv2 * Make multi_gpu_model serializable. * Skip tests for multi gpu * Fix slice namespace collision in backend. * Skip multi_gpu tests for other backends than TF * Replace np.ceil() with a faster operation (#10184) * Replace ceil() with faster a operation Replacing np.ceil() with faster operations, as suggested in #8488 * Revert "Replace ceil() with faster a operation" This reverts commit 74fe60b445377b4f1be1d0a36b4777d7ed4f1c1b. * Replace np.ceil() with a faster operation * Fix syntax error * Remove trailing whitespace * Explicitly mention using a Sequence object in val (#10223) * Grammatical error - "inputs channels" rather than "input". (#10217) * Fix duplicated argname: num_gpus === parts (#10228) Signed-off-by: CUI Wei <[email protected]> * Fix NASNet (#10209) * Fix NASNet * Update weight files * In-place split to avoid inter-device duplication (#10230) New Benchmark by in-place split: >> keras.application.Resnet50 224x224x3 (NCWH; NVidia Tesla P100 x 4) input_shape = 3x224x224, batch_size = 96 x 4: 392(images/sec) => 417(images/sec) input_shape = 3x299x299, batch_size = 64 x 4: 229(images/sec) => 244(images/sec) input_shape = 3x224x224, batch_size = 8 x 4: 148(images/sec) => 163(images/sec) >> keras.application.InceptionV3 (NCWH; NVidia Tesla P100 x 4) input_shape = 3x224x224, batch_size = 128 x 4: 488(images/sec) => 526(images/sec) input_shape = 3x299x299, batch_size = 96 x 4: 270(images/sec) => 294(images/sec) input_shape = 3x224x224, batch_size = 8 x 4: 146(images/sec) => 158(images/sec) Signed-off-by: CUI Wei <[email protected]> * Increase test coverages by adding invalid CNTK usecases (#10236) * Remove Sequential.model deprecation warning (#10256) * Remove Sequential.model deprecation warning * Remove dead line of code * Increase test coverages by factorizing CNTK pads (#10259) * Refactor ImageDataGenerator (#10130) * Create get_random_transform and refactor * Fix style and add tests * Add more tests * Fix documentation error * Fix documentation style issue * add apply_affine_transform * document transformation dictionary * Doc style fix * Remove deprecated model.model from engine/saving (#10275) * Typo in docstring for softplus (#10277) Softplus docstring missing a parenthesis. * Make Dot documentation inline with Concatenate (#10271) Doc expects a list containing 2 tensors. * Fixes automatic doc generation problem with nested lists. Adds a new test (#10212) * Fixes automatic doc generation problem with indented lists. Adds a new test * Some style fixes on doc automatic generation files * Fixes a bad space in convolutional_recurrent.py * Changes the test_doc_auto_generation in order to include a doc string taken from the codebase. Allows text lines following nested lists * Use count_params function for non_trainable_count. (#10280) * load_weights will fail if shape mismatch (#10266) Fix for #10265 * Adds to and alphabetizes documentation of Layer base class. (#10282) * Alphabetizes and adds to layers doc. * Responding to @cais comments * fix spacing. Remove in(out)bound_nodes * Non training Batch Norm operator has bad performance for it running into tensorflow's non fused batch norm API (#10207) * When use tensorflow as backend, let batch norm run into fused batch norm as much as possible, which has better performance. fix issue: http://github.com/keras-team/keras/issues/10058 * In Tensorflow backend, let batch norm call to FusedBatchNorm only NHWC format, also gamma and beta are not None. Test result: test env: with Tensorflow(commit a543d9471047ca3f6881c87105fcbe2cdff9207d Date: Thu May 10 17:43:30 2018, local build), python3.4, centos7.4 test cases: "pytest ./tests/keras/layers/normalization_test.py" <all passed> "pytest ./tests" <keep same result as without this commit's modification on BN> * fix code sytle. * 1. Add axis parameter in backend's batch_normalization functions. 2. Refine the batch_normalization function in tensorflow backend, Let's it call to fused batch norm as much as possible. Thanks the coments from fchollet. * Trigger * 1. add default value -1 for parameter axis in batch_normalization function in backend. 2. fix some code style. Thanks the comments from fchollet. * Handle capitalised extensions in list_pictures (#10220) #10219 * Typo fix (#10293) * Fix doc (#10308) * Fix naming convention * Add missing doc * Fix typo * Improve docstrings of applications (#10310) * Add pooling options in MobileNetV2 (#10313) * Add pooling option * Add pooling test * Fix doc (#10327) Fixed doc * Handle `mask` in `TimeDistributed` wrapper. (#10242) * equip TimeDistributed with mask and unspecified input length * fix bugs in theano. add test on timedistributed + masking * skip tests on cntk with multiple unspecified time lengths. * move static shape inference to theano_backend, add docstring, etc. * fix format * Split `applications` and `preprocessing` modules. (#10339) * Split `applications` and `preprocessing` modules. * Fix dependencies. * Move tests for applications (#10341) * Improve the docstring of Conv3DTranspose (#10342) * Add depth as third dimension in docstring of Conv3DTranspose in convolutional.py in keras.layers * Reduce tests for applications (#10346) * Reduce tests for applications * Make selection over all models random * Add an advanced activation layer for ReLU (#10322) The max_value argument can not be used in a layer, except custom layer or Lambda. Hence, similarly to LeakyReLU or for example Softmax, this PR adds a layer for ReLU, enabling also a capped ReLU to be used. * FIX: Tensorboard callback only supports logging Embeddings layer weights (#7766) * Embed layer-outputs rather than layer-weights in TensorBoard callback * Update docstring and allow multiple inputs * Fix tests * Renaming * Set learning phase * Compute embeddings in batches * Pass embedding data explicitly * Actually process embeddings in batches * Allow multiple inputs and validate input data * Add example * Delete utils.py * Revert uncorrectly resolved merge-conflict * Minor renaming * Add comment clarifying the design choice * Fix HDF5Matrix issue when working in conjunction with TimeSeriesGenerator (#10334) * Fix issue when working in conjunction with TimeSeriesGenerator The TimeSeriesGenerator class uses xrange through six which caused an IndexError * Add test * Add corresponding test * Fix for python3 * Simplified code * Fix indent * Fix test * Supporting channels_first data format with crossentropy losses (#9715) * Add error message when calling `summary` on unbuilt subclassed models. * Prepare 2.2.0 release. * Fix a version number (#10361) * Update to Keras Applications 1.0.2 (fixes NASNet issue). * Add tests for inputs set dynamically (#10367) * CuDNN RNN layers nested in TimeDistributed are not converted when loading (#10357) * Add a unit test for CuDNNGRU conversion with TimeDistributed. * Extract duplicated function convert_model() to _convert_model_weights(). * #10356 Convert weights of CuDNN/plain RNN nested in TimeDistributed. Same case as for Bidirectional, except that in TimeDistributed there's only one nested layer instead of two. * Style fix * Update docs for 2.2.0. * Add spatial dropout and 3D global pooling to docs (#10373) * spatial dropout in docs * 3d global pooling in docs * Doc update (#10376) A couple of variables are "used" in two examples without being defined. For consistency with other examples where auxiliary dimensions are defined, I think it would be better to explicitly assign them a value. I just used made up values, feel free to change to whatever makes more sense! * Preserve input shape data when serializing deferred-build Sequential models. * Add MXNet Backend (#59) * Adding MXNet backend template. Adding all basic Variable and Tensor operations (#1) * add activation functions * add activation functions * fix some legacy * fix some legacy * cross entropy * cross entropy * fix name scoping introduced in 2.0 * fix name scoping introduced in 2.0 * Add dropout, l2_normalization, random_normal/uniform/binomial (#2) * remove the logic for hacking RNN * remove the logic for hacking RNN * add pooling with utils * add pooling with utils * minor * lint and name scope fix * fix access protected var * fix add neighbor, removed __eq__ in KerasSymbol * fix eval function, unittest for placeholder and variable * add unittests * fix bug * fix bug * fix * add some temporary fixes in mxnet backend. undo change to the pytest.ini * mxnet_backend graph fix, layer support (#3) * add activation functions * fix some legacy * cross entropy * fix name scoping introduced in 2.0 * Add dropout, l2_normalization, random_normal/uniform/binomial (#2) * remove the logic for hacking RNN * add pooling with utils * add activation functions * fix some legacy * cross entropy * fix name scoping introduced in 2.0 * remove the logic for hacking RNN * add pooling with utils * minor * lint and name scope fix * fix access protected var * fix add neighbor, removed __eq__ in KerasSymbol * fix eval function, unittest for placeholder and variable * add unittests * fix bug * fix bug * fix * add some temporary fixes in mxnet backend. undo change to the pytest.ini * Keras function not working is a known issue, add skip in the test * fix random_uniform/constant * fix legacy randomize methods * Fix MXNet backend operator bugs. Enabled Keras backend tests * add bias * Add Amazon copyrights to License (#6) * fix * fix * fix backend for mlp * fix context management, add optimizers * minor change * undo changes on example * fix eval * minor cleanup * fix some property usage * fixing AlphaDroupout, not finished yet * add mx model instantiate * modifies training model construct logic, fix some tests. fix reshape layer. * minor fix * fix bias_add * more fix on Dense and bias_add * In progress commit * fix comment * small fix * remove pytest.skip in conv3d. But it failed with theano backend in my workspace though. * Add conv2d and in_topk operator for mxnet backend (#11) * Skip BatchDot tests for Theano backend. (#12) * BatchDot, Basic Batchnorm, Fix BiasAdd, Fix Conv2D, CodeCleanup (#14) * Fix Conv2d shape issues and enable Conv2D UTs * Remove redundant mxnet only unit tests * Adding batch_dot, remove deconv, code comments and cleanup * Remove buggy conv1d implementation * Fix CR comments. Fix lint check issues * Move mxnet specific code from keras engine to mxnet_backend. (#15) * Move MXNet optimizers from keras optimizers to mxnet backend (#16) * Fix bug in reshape. Minor rename to avoid local conflicts * Bug fixes and enable/skip all Keras tests for mxnet backend (#21) * test results - 374 passed, 235 skipped in 114.44 seconds * fix/skip keras tests - tests/integration_tests, tests/keras/applications * fix/skip keras tests - tests/keras/engine/test_topology * fix/skip keras tests - tests/keras/engine/test_training * fix/skip keras tests - tests/keras/legacy/ * fix/skip keras tests - tests/keras/preprocessing * fix/skip keras tests - tests/keras/utils/ * Fix CR comments * Fix issues in zero_padding. Fix/Enable tests/layers/convolutional_test * Add momentum to batchnorm. Enable/skip tests in layers/core, local, merge, noise, normalization * Skip RNN tests in keras/tests/layers/recurrent_test, wrappers_test * Fix bug in spatial padding, enable/skip tests in loss,optimizers,callback,loss_weighting, model_saving * Fix mxnet backend multi-gpu training (#31) Fixing bug for mxnet backend to use multiple gpus. * Fix performance issue - Batchnormalization, Conv operator (#35) * Fix default axis for batchnorm layer for channels_first data_format * Performance improvement by avoiding kernel transpose in conv operation for channels_first format * Fix model - architecture, weights and both, load and save. (#36) * Prepare initial version of mxnet related documentation in keras (#38) * Skip failing unit tests for unsupported functionality in mxnet backend * Fix pep tests reported by CI * Use pytest module skip, revert kernel_shape logic * remove data_format param from bias_add API * Allow Predict() without compile for mxnet backend and enable tests. contributor - roywei@ * Fix bug - mxnet backend should not override keras config data_format to channels_first. Only warn of low performance * Conv3d() operator implementation for Keras2.0 using MXNet backend (#40) * conv3d implementation for keras2.0 as MXNet backend * conv3d implementation/testing for keras2.0 using MXNet backend * keeping -n option in pytest.ini file * fixed comments given by Sandeep * Add Conv1D support for MXNet backend (#44) * Add Conv1D support for MXNet backend * Fix CR comments * Conv2d transpose (#47) * add conv2d_transpose * conv2d transpose for both channels, enabled test case * add detailed comments and examples, fix style issue * enable test case in topology * Enable performance optimization for conv operators with MXNet backend. Make MXNet default backend with this branch (#48) * Fix conv kernel shape bug for TF backend. (#50) * Add support for keras multi_gpu_model() API with MXNet backend (#49) * Add support for keras multi_gpu_model() API with MXNet backend. Autoset GPU0 context on GPU machine * Fix typo * Add SAME padding mode support for pooling operator. (#51) * Add rnn() operator for MXNet backend with unrolling and masking feature (#46) * Adding rnn() operator in Keras2.0 with MXNet as backend with unroll=True and Masking=True/False and enabled relevant testcases. Also, modified couple of operators. * Modified comments * Added comments to a method * Enable categorical crossentropy testcases and made minor changes * Modified message * nit * Added detail description of handling variable length input in RNN * Skip conv2d_transpose and conv3d_transpose test-case for MXNet backend and minor changes in rnn() * Adamax and NAdam optimizer for MXNet backend (#54) * Add Adamax optimizer for MXNet backend * Fix lr and adamax params * Add Nadam optimizer for mxnet backend * Add Conv3d transpose (#52) * conv3d tranpose, enabled test case * update kernel shape * replace conv2d_transpse conv3d_transpose with convnd_transpose * update value errors with MXNet Backend info, fix typo * add check for conv3d transpose only supports gpu with cudnn * update context check * diable conv3d transpose test * fix typo in comment * Adding MXNet backend template. Adding all basic Variable and Tensor operations (#1) * add activation functions * add activation functions * fix some legacy * fix some legacy * cross entropy * cross entropy * fix name scoping introduced in 2.0 * fix name scoping introduced in 2.0 * Add dropout, l2_normalization, random_normal/uniform/binomial (#2) * remove the logic for hacking RNN * remove the logic for hacking RNN * add pooling with utils * add pooling with utils * minor * lint and name scope fix * fix access protected var * fix add neighbor, removed __eq__ in KerasSymbol * fix eval function, unittest for placeholder and variable * add unittests * fix bug * fix bug * fix * add some temporary fixes in mxnet backend. undo change to the pytest.ini * mxnet_backend graph fix, layer support (#3) * add activation functions * fix some legacy * cross entropy * fix name scoping introduced in 2.0 * Add dropout, l2_normalization, random_normal/uniform/binomial (#2) * remove the logic for hacking RNN * add pooling with utils * add activation functions * fix some legacy * cross entropy * fix name scoping introduced in 2.0 * remove the logic for hacking RNN * add pooling with utils * minor * lint and name scope fix * fix access protected var * fix add neighbor, removed __eq__ in KerasSymbol * fix eval function, unittest for placeholder and variable * add unittests * fix bug * fix bug * fix * add some temporary fixes in mxnet backend. undo change to the pytest.ini * Keras function not working is a known issue, add skip in the test * fix random_uniform/constant * fix legacy randomize methods * Fix MXNet backend operator bugs. Enabled Keras backend tests * add bias * Add Amazon copyrights to License (#6) * fix * fix * fix backend for mlp * fix context management, add optimizers * minor change * undo changes on example * fix eval * minor cleanup * fix some property usage * fixing AlphaDroupout, not finished yet * add mx model instantiate * modifies training model construct logic, fix some tests. fix reshape layer. * minor fix * fix bias_add * more fix on Dense and bias_add * In progress commit * fix comment * small fix * remove pytest.skip in conv3d. But it failed with theano backend in my workspace though. * Add conv2d and in_topk operator for mxnet backend (#11) * Skip BatchDot tests for Theano backend. (#12) * BatchDot, Basic Batchnorm, Fix BiasAdd, Fix Conv2D, CodeCleanup (#14) * Fix Conv2d shape issues and enable Conv2D UTs * Remove redundant mxnet only unit tests * Adding batch_dot, remove deconv, code comments and cleanup * Remove buggy conv1d implementation * Fix CR comments. Fix lint check issues * Move mxnet specific code from keras engine to mxnet_backend. (#15) * Move MXNet optimizers from keras optimizers to mxnet backend (#16) * Fix bug in reshape. Minor rename to avoid local conflicts * Bug fixes and enable/skip all Keras tests for mxnet backend (#21) * test results - 374 passed, 235 skipped in 114.44 seconds * fix/skip keras tests - tests/integration_tests, tests/keras/applications * fix/skip keras tests - tests/keras/engine/test_topology * fix/skip keras tests - tests/keras/engine/test_training * fix/skip keras tests - tests/keras/legacy/ * fix/skip keras tests - tests/keras/preprocessing * fix/skip keras tests - tests/keras/utils/ * Fix CR comments * Fix issues in zero_padding. Fix/Enable tests/layers/convolutional_test * Add momentum to batchnorm. Enable/skip tests in layers/core, local, merge, noise, normalization * Skip RNN tests in keras/tests/layers/recurrent_test, wrappers_test * Fix bug in spatial padding, enable/skip tests in loss,optimizers,callback,loss_weighting, model_saving * Fix mxnet backend multi-gpu training (#31) Fixing bug for mxnet backend to use multiple gpus. * Fix performance issue - Batchnormalization, Conv operator (#35) * Fix default axis for batchnorm layer for channels_first data_format * Performance improvement by avoiding kernel transpose in conv operation for channels_first format * Fix model - architecture, weights and both, load and save. (#36) * Prepare initial version of mxnet related documentation in keras (#38) * Skip failing unit tests for unsupported functionality in mxnet backend * Fix pep tests reported by CI * Use pytest module skip, revert kernel_shape logic * remove data_format param from bias_add API * Allow Predict() without compile for mxnet backend and enable tests. contributor - roywei@ * Fix bug - mxnet backend should not override keras config data_format to channels_first. Only warn of low performance * Conv3d() operator implementation for Keras2.0 using MXNet backend (#40) * conv3d implementation for keras2.0 as MXNet backend * conv3d implementation/testing for keras2.0 using MXNet backend * keeping -n option in pytest.ini file * fixed comments given by Sandeep * Add Conv1D support for MXNet backend (#44) * Add Conv1D support for MXNet backend * Fix CR comments * Conv2d transpose (#47) * add conv2d_transpose * conv2d transpose for both channels, enabled test case * add detailed comments and examples, fix style issue * enable test case in topology * Enable performance optimization for conv operators with MXNet backend. Make MXNet default backend with this branch (#48) * Fix conv kernel shape bug for TF backend. (#50) * Add support for keras multi_gpu_model() API with MXNet backend (#49) * Add support for keras multi_gpu_model() API with MXNet backend. Autoset GPU0 context on GPU machine * Fix typo * Add SAME padding mode support for pooling operator. (#51) * Add rnn() operator for MXNet backend with unrolling and masking feature (#46) * Adding rnn() operator in Keras2.0 with MXNet as backend with unroll=True and Masking=True/False and enabled relevant testcases. Also, modified couple of operators. * Modified comments * Added comments to a method * Enable categorical crossentropy testcases and made minor changes * Modified message * nit * Added detail description of handling variable length input in RNN * Skip conv2d_transpose and conv3d_transpose test-case for MXNet backend and minor changes in rnn() * Adamax and NAdam optimizer for MXNet backend (#54) * Add Adamax optimizer for MXNet backend * Fix lr and adamax params * Add Nadam optimizer for mxnet backend * Add Conv3d transpose (#52) * conv3d tranpose, enabled test case * update kernel shape * replace conv2d_transpse conv3d_transpose with convnd_transpose * update value errors with MXNet Backend info, fix typo * add check for conv3d transpose only supports gpu with cudnn * update context check * diable conv3d transpose test * fix typo in comment * Rebase to latest Keras - April 3, 2018 * Add build badges * Fix multi_gpu API bug for CPU. Fix PEP. (#64) * Fix multi_gpu API bug for CPU. Fix PEP. * fix embedding layer bug (#61) * fix embedding bug * addressed comments, enabled more test cases * add keras test * reduce line length * fix style, add blank lines * Benchmark (#55) * add conv2d_transpose * conv2d transpose for both channels, enabled test case * add detailed comments and examples, fix style issue * add benchmark scripts for resnet and imagenet data * combine scripts * fix args * fix num of gpus * update log * multi_gpu_model only support tf * add benchamrk scripts for synthetic data * update read me and scripts * add mxnet traing result table * update on readme * add cifar10 dataset and enable various resnet layers * fix compile for mxnet multiple gpu * update callbacks * update synthetic data script, add credits * undo new line * update readme, addressed pr comments * update readme * benchmark scripts style fix (#66) * style fix * remove unused import, fix line too long * adrressed pr comments * Added keras util API for conversion of data tensor from channels_last to channels_first using MXNet backend (#65) * Added keras util API for conversion of data tensor from channels_last to channels_first using MXNet backend * Modified comments * Addressed review comments and made the API more generic accross backends * Removed shape check * Modified comments * Added edge cases * moved helper method as nested * Added RNN benchmark scripts (#69) * Added RNN benchmark scripts * Fixed new line in bash script * Removed different backend code and modified comments * Removed spacing * Automated the wikiText2 download script * Added dataset_util functionality to have more flexible code * Added minor comments * modified minor comments * Fixed the multi-gpu context (#68) * Update benchmark result (#70) * update benchmark result * update result * simplify folder structure * add image result * add note * add note * Add MXNet Backend (#59) * Adding MXNet backend template. Adding all basic Variable and Tensor operations (#1) * add activation functions * add activation functions * fix some legacy * fix some legacy * cross entropy * cross entropy * fix name scoping introduced in 2.0 * fix name scoping introduced in 2.0 * Add dropout, l2_normalization, random_normal/uniform/binomial (#2) * remove the logic for hacking RNN * remove the logic for hacking RNN * add pooling with utils * add pooling with utils * minor * lint and name scope fix * fix access protected var * fix add neighbor, removed __eq__ in KerasSymbol * fix eval function, unittest for placeholder and variable * add unittests * fix bug * fix bug * fix * add some temporary fixes in mxnet backend. undo change to the pytest.ini * mxnet_backend graph fix, layer support (#3) * add activation functions * fix some legacy * cross entropy * fix name scoping introduced in 2.0 * Add dropout, l2_normalization, random_normal/uniform/binomial (#2) * remove the logic for hacking RNN * add pooling with utils * add activation functions * fix some legacy * cross entropy * fix name scoping introduced in 2.0 * remove the logic for hacking RNN * add pooling with utils * minor * lint and name scope fix * fix access protected var * fix add neighbor, removed __eq__ in KerasSymbol * fix eval function, unittest for placeholder and variable * add unittests * fix bug * fix bug * fix * add some temporary fixes in mxnet backend. undo change to the pytest.ini * Keras function not working is a known issue, add skip in the test * fix random_uniform/constant * fix legacy randomize methods * Fix MXNet backend operator bugs. Enabled Keras backend tests * add bias * Add Amazon copyrights to License (#6) * fix * fix * fix backend for mlp * fix context management, add optimizers * minor change * undo changes on example * fix eval * minor cleanup * fix some property usage * fixing AlphaDroupout, not finished yet * add mx model instantiate * modifies training model construct logic, fix some tests. fix reshape layer. * minor fix * fix bias_add * more fix on Dense and bias_add * In progress commit * fix comment * small fix * remove pytest.skip in conv3d. But it failed with theano backend in my workspace though. * Add conv2d and in_topk operator for mxnet backend (#11) * Skip BatchDot tests for Theano backend. (#12) * BatchDot, Basic Batchnorm, Fix BiasAdd, Fix Conv2D, CodeCleanup (#14) * Fix Conv2d shape issues and enable Conv2D UTs * Remove redundant mxnet only unit tests * Adding batch_dot, remove deconv, code comments and cleanup * Remove buggy conv1d implementation * Fix CR comments. Fix lint check issues * Move mxnet specific code from keras engine to mxnet_backend. (#15) * Move MXNet optimizers from keras optimizers to mxnet backend (#16) * Fix bug in reshape. Minor rename to avoid local conflicts * Bug fixes and enable/skip all Keras tests for mxnet backend (#21) * test results - 374 passed, 235 skipped in 114.44 seconds * fix/skip keras tests - tests/integration_tests, tests/keras/applications * fix/skip keras tests - tests/keras/engine/test_topology * fix/skip keras tests - tests/keras/engine/test_training * fix/skip keras tests - tests/keras/legacy/ * fix/skip keras tests - tests/keras/preprocessing * fix/skip keras tests - tests/keras/utils/ * Fix CR comments * Fix issues in zero_padding. Fix/Enable tests/layers/convolutional_test * Add momentum to batchnorm. Enable/skip tests in layers/core, local, merge, noise, normalization * Skip RNN tests in keras/tests/layers/recurrent_test, wrappers_test * Fix bug in spatial padding, enable/skip tests in loss,optimizers,callback,loss_weighting, model_saving * Fix mxnet backend multi-gpu training (#31) Fixing bug for mxnet backend to use multiple gpus. * Fix performance issue - Batchnormalization, Conv operator (#35) * Fix default axis for batchnorm layer for channels_first data_format * Performance improvement by avoiding kernel transpose in conv operation for channels_first format * Fix model - architecture, weights and both, load and save. (#36) * Prepare initial version of mxnet related documentation in keras (#38) * Skip failing unit tests for unsupported functionality in mxnet backend * Fix pep tests reported by CI * Use pytest module skip, revert kernel_shape logic * remove data_format param from bias_add API * Allow Predict() without compile for mxnet backend and enable tests. contributor - roywei@ * Fix bug - mxnet backend should not override keras config data_format to channels_first. Only warn of low performance * Conv3d() operator implementation for Keras2.0 using MXNet backend (#40) * conv3d implementation for keras2.0 as MXNet backend * conv3d implementation/testing for keras2.0 using MXNet backend * keeping -n option in pytest.ini file * fixed comments given by Sandeep * Add Conv1D support for MXNet backend (#44) * Add Conv1D support for MXNet backend * Fix CR comments * Conv2d transpose (#47) * add conv2d_transpose * conv2d transpose for both channels, enabled test case * add detailed comments and examples, fix style issue * enable test case in topology * Enable performance optimization for conv operators with MXNet backend. Make MXNet default backend with this branch (#48) * Fix conv kernel shape bug for TF backend. (#50) * Add support for keras multi_gpu_model() API with MXNet backend (#49) * Add support for keras multi_gpu_model() API with MXNet backend. Autoset GPU0 context on GPU machine * Fix typo * Add SAME padding mode support for pooling operator. (#51) * Add rnn() operator for MXNet backend with unrolling and masking feature (#46) * Adding rnn() operator in Keras2.0 with MXNet as backend with unroll=True and Masking=True/False and enabled relevant testcases. Also, modified couple of operators. * Modified comments * Added comments to a method * Enable categorical crossentropy testcases and made minor changes * Modified message * nit * Added detail description of handling variable length input in RNN * Skip conv2d_transpose and conv3d_transpose test-case for MXNet backend and minor changes in rnn() * Adamax and NAdam optimizer for MXNet backend (#54) * Add Adamax optimizer for MXNet backend * Fix lr and adamax params * Add Nadam optimizer for mxnet backend * Add Conv3d transpose (#52) * conv3d tranpose, enabled test case * update kernel shape * replace conv2d_transpse conv3d_transpose with convnd_transpose * update value errors with MXNet Backend info, fix typo * add check for conv3d transpose only supports gpu with cudnn * update context check * diable conv3d transpose test * fix typo in comment * Adding MXNet backend template. Adding all basic Variable and Tensor operations (#1) * add activation functions * add activation functions * fix some legacy * fix some legacy * cross entropy * cross entropy * fix name scoping introduced in 2.0 * fix name scoping introduced in 2.0 * Add dropout, l2_normalization, random_normal/uniform/binomial (#2) * remove the logic for hacking RNN * remove the logic for hacking RNN * add pooling with utils * add pooling with utils * minor * lint and name scope fix * fix access protected var * fix add neighbor, removed __eq__ in KerasSymbol * fix eval function, unittest for placeholder and variable * add unittests * fix bug * fix bug * fix * add some temporary fixes in mxnet backend. undo change to the pytest.ini * mxnet_backend graph fix, layer support (#3) * add activation functions * fix some legacy * cross entropy * fix name scoping introduced in 2.0 * Add dropout, l2_normalization, random_normal/uniform/binomial (#2) * remove the logic for hacking RNN * add pooling with utils * add activation functions * fix some legacy * cross entropy * fix name scoping introduced in 2.0 * remove the logic for hacking RNN * add pooling with utils * minor * lint and name scope fix * fix access protected var * fix add neighbor, removed __eq__ in KerasSymbol * fix eval function, unittest for placeholder and variable * add unittests * fix bug * fix bug * fix * add some temporary fixes in mxnet backend. undo change to the pytest.ini * Keras function not working is a known issue, add skip in the test * fix random_uniform/constant * fix legacy randomize methods * Fix MXNet backend operator bugs. Enabled Keras backend tests * add bias * Add Amazon copyrights to License (#6) * fix * fix * fix backend for mlp * fix context management, add optimizers * minor change * undo changes on example * fix eval * minor cleanup * fix some property usage * fixing AlphaDroupout, not finished yet * add mx model instantiate * modifies training model construct logic, fix some tests. fix reshape layer. * minor fix * fix bias_add * more fix on Dense and bias_add * In progress commit * fix comment * small fix * remove pytest.skip in conv3d. But it failed with theano backend in my workspace though. * Add conv2d and in_topk operator for mxnet backend (#11) * Skip BatchDot tests for Theano backend. (#12) * BatchDot, Basic Batchnorm, Fix BiasAdd, Fix Conv2D, CodeCleanup (#14) * Fix Conv2d shape issues and enable Conv2D UTs * Remove redundant mxnet only unit tests * Adding batch_dot, remove deconv, code comments and cleanup * Remove buggy conv1d implementation * Fix CR comments. Fix lint check issues * Move mxnet specific code from keras engine to mxnet_backend. (#15) * Move MXNet optimizers from keras optimizers to mxnet backend (#16) * Fix bug in reshape. Minor rename to avoid local conflicts * Bug fixes and enable/skip all Keras tests for mxnet backend (#21) * test results - 374 passed, 235 skipped in 114.44 seconds * fix/skip keras tests - tests/integration_tests, tests/keras/applications * fix/skip keras tests - tests/keras/engine/test_topology * fix/skip keras tests - tests/keras/engine/test_training * fix/skip keras tests - tests/keras/legacy/ * fix/skip keras tests - tests/keras/preprocessing * fix/skip keras tests - tests/keras/utils/ * Fix CR comments * Fix issues in zero_padding. Fix/Enable tests/layers/convolutional_test * Add momentum to batchnorm. Enable/skip tests in layers/core, local, merge, noise, normalization * Skip RNN tests in keras/tests/layers/recurrent_test, wrappers_test * Fix bug in spatial padding, enable/skip tests in loss,optimizers,callback,loss_weighting, model_saving * Fix mxnet backend multi-gpu training (#31) Fixing bug for mxnet backend to use multiple gpus. * Fix performance issue - Batchnormalization, Conv operator (#35) * Fix default axis for batchnorm layer for channels_first data_format * Performance improvement by avoiding kernel transpose in conv operation for channels_first format * Fix model - architecture, weights and both, load and save. (#36) * Prepare initial version of mxnet related documentation in keras (#38) * Skip failing unit tests for unsupported functionality in mxnet backend * Fix pep tests reported by CI * Use pytest module skip, revert kernel_shape logic * remove data_format param from bias_add API * Allow Predict() without compile for mxnet backend and enable tests. contributor - roywei@ * Fix bug - mxnet backend should not override keras config data_format to channels_first. Only warn of low performance * Conv3d() operator implementation for Keras2.0 using MXNet backend (#40) * conv3d implementation for keras2.0 as MXNet backend * conv3d implementation/testing for keras2.0 using MXNet backend * keeping -n option in pytest.ini file * fixed comments given by Sandeep * Add Conv1D support for MXNet backend (#44) * Add Conv1D support for MXNet backend * Fix CR comments * Conv2d transpose (#47) * add conv2d_transpose * conv2d transpose for both channels, enabled test case * add detailed comments and examples, fix style issue * enable test case in topology * Enable performance optimization for conv operators with MXNet backend. Make MXNet default backend with this branch (#48) * Fix conv kernel shape bug for TF backend. (#50) * Add support for keras multi_gpu_model() API with MXNet backend (#49) * Add support for keras multi_gpu_model() API with MXNet backend. Autoset GPU0 context on GPU machine * Fix typo * Add SAME padding mode support for pooling operator. (#51) * Add rnn() operator for MXNet backend with unrolling and masking feature (#46) * Adding rnn() operator in Keras2.0 with MXNet as backend with unroll=True and Masking=True/False and enabled relevant testcases. Also, modified couple of operators. * Modified comments * Added comments to a method * Enable categorical crossentropy testcases and made minor changes * Modified message * nit * Added detail description of handling variable length input in RNN * Skip conv2d_transpose and conv3d_transpose test-case for MXNet backend and minor changes in rnn() * Adamax and NAdam optimizer for MXNet backend (#54) * Add Adamax optimizer for MXNet backend * Fix lr and adamax params * Add Nadam optimizer for mxnet backend * Add Conv3d transpose (#52) * conv3d tranpose, enabled test case * update kernel shape * replace conv2d_transpse conv3d_transpose with convnd_transpose * update value errors with MXNet Backend info, fix typo * add check for conv3d transpose only supports gpu with cudnn * update context check * diable conv3d transpose test * fix typo in comment * Rebase to latest Keras - April 3, 2018 * Add build badges * Fix multi_gpu API bug for CPU. Fix PEP. (#64) * Fix multi_gpu API bug for CPU. Fix PEP. * fix embedding layer bug (#61) * fix embedding bug * addressed comments, enabled more test cases * add keras test * reduce line length * fix style, add blank lines * Benchmark (#55) * add conv2d_transpose * conv2d transpose for both channels, enabled test case * add detailed comments and examples, fix style issue * add benchmark scripts for resnet and imagenet data * combine scripts * fix args * fix num of gpus * update log * multi_gpu_model only support tf * add benchamrk scripts for synthetic data * update read me and scripts * add mxnet traing result table * update on readme * add cifar10 dataset and enable various resnet layers * fix compile for mxnet multiple gpu * update callbacks * update synthetic data script, add credits * undo new line * update readme, addressed pr comments * update readme * benchmark scripts style fix (#66) * style fix * remove unused import, fix line too long * adrressed pr comments * Added keras util API for conversion of data tensor from channels_last to channels_first using MXNet backend (#65) * Added keras util API for conversion of data tensor from channels_last to channels_first using MXNet backend * Modified comments * Addressed review comments and made the API more generic accross backends * Removed shape check * Modified comments * Added edge cases * moved helper method as nested * Added RNN benchmark scripts (#69) * Added RNN benchmark scripts * Fixed new line in bash script * Removed different backend code and modified comments * Removed spacing * Automated the wikiText2 download script * Added dataset_util functionality to have more flexible code * Added minor comments * modified minor comments * Fixed the multi-gpu context (#68) * Update benchmark result (#70) * update benchmark result * update result * simplify folder structure * add image result * add note * add note * rebase to latest Keras - April 20, 2018, fix bug and unit tests * Added detailed RNN results (#73) * Added detailed RNN results * Modified table content and added CUDA version * fix keras examples (#72) * fix auto encoder examples * update other examples * fix style and add ctc not implemented error * Added Detailed RNN results (#77) * Modified RNN benchmark document * Added minor comments * fixed broken image link * Added API to extract metrics from a test and also added epoch parameter (#78) * Add mxnet backend tutorial documents (#76) * add performance tips document * update warning * add docs from wiki * add initial multi gpu doc, simplified installation doc, fix benchmark doc typo * update install steps * add multi_gpu_model tutorial * Support exporting model as MXNet model (sym, params). (#80) * Support exporting model as MXNet model (sym, params). * Return data_names and data_shapes * add unit tests for mxnet model save API * Add test with LSTM layer for mxnet model save API * Add support for functional Model graphs in save_mxnet_model API * Add additional logging for cnn benchmarks (#89) * add extra logging * add logging for cnn synthetic * fix log name * fix file name * Log RNN benchmark results (#90) * Make benchmark result logging available in RNN scripts * Make log file name consistent across CNN and RNN benchmarks * fix pytest errors (#93) * Cherry pick keras-team/keras 2.1.6 missing 3 commits into awslabs/keras-apache-mxnet (#96) * update multi_gpu api in benchmark scripts (#95) * update multi_gpu * update logging * fix logging * fix logging * fix speed format * remove learning rate log * Revamp keras-mxnet docs (#82) * Update main README and move mxnet_backend_docs under docs * revisit installation mxnet backend docs * revisit multi_gpu_training mxnet backend docs * revisit performance_guide mxnet backend docs * revisit using rnn with mxnet backend in mxnet backend docs * add save_mxnet_model tutorials in mxnet backend docs * Fixing review comments from aaron * Resolve CR comments on save_mxnet_model tutorial * Fix broken links, update tutorial links in the mxnet_backend code * revamp benchmark results readme * Benchmark results README page revamp * Add library versions * Remove too detailed benchmark results. Summarize in README * Get back detailed results document * Remove experiemental RNN benchmarks from README * addressed review comments on benchmark results * Set latest stable dependency of h5py to avoid warnings * Rebase to latest Keras April 20 2018 (#71) * Improve tests by designating dtype of sample data (#9834) * Document that "same" is inconsistent across backends with strides!=1 (#9629) * Document that `"same"` is inconsistent across backends with `strides` != 1 * Use "[here](...)" * #9642 Add kwarg and documentation for dilation_rate to SeparableConvs (#9844) * Add kwarg and documentation for dilation_rate to SeparableConvs * Fix pep8 complaint I forgot to check the style before committing. Pep8 was complaining about a missing whitespace after comma, now it's fixed. * fit/evaluate_generator supporting native tensors (#9816) Currently, `fit/evaluate_generator` don't support this case without this fix. But framework-native data tensors are already supported by `_fit_loop` and `_test_loop`. Signed-off-by: CUI Wei <[email protected]> * Add h5py to dependencies * Fixed typo. (#9866) * Fix image_ocr.py example ValueError (#9869) * Fixed the NASNet issue. (#9865) * Fixed the NASNet issue. * Nasnet doesn't require flatten. * Updated documentation accordingly. * Removed generate dropout ones from recurrent. (#9892) * Removed generate dropout ones from recurrent. * Fixed index issue. * Fix `in_test_phase` of CNTK and Add its tests (#9902) * Fix dtype designation for `variable` of CNTK and Add its tests (#9903) * import `pydot`, improve error messages about `pydot` and GraphViz, bump to `pydot >= 1.2.4` (#9904) * REL: bump to `pydot >= 1.2.4` in `extras_require` * MAI: import pydot (as required in `extras_require`) * MAI: refine error messages for `pydot` and GraphViz distinguish between absence of `pydot` and failure to find the executables of GraphViz in the $PATH. * DEV: ignore `.pytest_cache` * Fix documentation of flow_from_directory() (#9910) The way the documentation is parsed for the Keras website made some lines of the documentation beginning with "Default:" look funny. Also changed the documentation of return value to be clear that it always returns a batch of images. * ModelCheckpoint: print previous best (#9911) * multi_gpu_model supporting legacy/fullCPU/fullGPU (#9638) Signed-off-by: CUI Wei <[email protected]> * Fix `batch_dot` of Theano when `axes=0` (#9920) * Fix `batch_dot` of CNTK when `axes=None` (#9921) * Fix `batch_dot` of TensorFlow when `axes=None` (#9922) * Fix stateful metrics when passing dict to compile (#9894) * Added note to manually install h5py where needed (#9830) * Added notes to manually install h5py if needed * Added FAQ entry on h5py * deleted redundant remark about h5py * updated FAQ to reflect dependency change * fixed comment format to pass failing test * removed new trailing whitespaces * improved docstring format * reverted callbacks.py * fixed links in model.py * updated faq.py * link pointing to FAQ * Add support for `constants` in Bidirectional wrapper (#9260) * Add support fot `constants` in Bidirectional wrapper * Add more tests for Bidirectional wrapper * Fix `compute_mask` for Birectional with return_state=True Fix `compute_mask` to properly support `return_state` introduced in Birectional with #8977 * Add test for Bidirectional with unknown timestamps * Skip test for CNTK for unknown timestamps with Bidirectional * avoid override the input constant when need broadcast sequential axis on rnn's constant * Move _standardize_args to recurrent, remove duplication * Fix for Birectional when multiple masks are passed * Updated for TF 1.7 (#9937) * fix TimeSeriesGenerator glitch (#9899) * Added an error message for undefined shape on NASNet. (#9891) * Added an error message for undefined shape on NASNet. * Forgot that the message should be present only when loading imagenet weights. * Changed the message. * Fix PEP8 * Allow shift_range to be 1-D array-like or int (#8869) * Allow shift_range to be 1-D array-like or int * Add docstrings * Fix conflict resolution merge minor disaster * remove stray line from merge * Remove extra "tabs" * Exclude multi-gpu utils when reporting coverages (#9942) * Make conv_invalid_use and pooling_invalid_use efficient (#9944) * Chenta/cntk bn (#9952) * fix cntk static learning phase issue; add a test * fix code style;add more comments * add boolean support * fix code style issue * Immigrate reference operations to a separate module (#9948) * Add MXNet Backend (#59) * Adding MXNet backend template. Adding all basic Variable and Tensor operations (#1) * add activation functions * add activation functions * fix some legacy * fix some legacy * cross entropy * cross entropy * fix name scoping introduced in 2.0 * fix name scoping introduced in 2.0 * Add dropout, l2_normalization, random_normal/uniform/binomial (#2) * remove the logic for hacking RNN * remove the logic for hacking RNN * add pooling with utils * add pooling with utils * minor * lint and name scope fix * fix access protected var * fix add neighbor, removed __eq__ in KerasSymbol * fix eval function, unittest for placeholder and variable * add unittests * fix bug * fix bug * fix * add some temporary fixes in mxnet backend. undo change to the pytest.ini * mxnet_backend graph fix, layer support (#3) * add activation functions * fix some legacy * cross entropy * fix name scoping introduced in 2.0 * Add dropout, l2_normalization, random_normal/uniform/binomial (#2) * remove the logic for hacking RNN * add pooling with utils * add activation functions * fix some legacy * cross entropy * fix name scoping introduced in 2.0 * remove the logic for hacking RNN * add pooling with utils * minor * lint and name scope fix * fix access protected var * fix add neighbor, removed __eq__ in KerasSymbol * fix eval function, unittest for placeholder and variable * add unittests * fix bug * fix bug * fix * add some temporary fixes in mxnet backend. undo change to the pytest.ini * Keras function not working is a known issue, add skip in the test * fix random_uniform/constant * fix legacy randomize methods * Fix MXNet backend operator bugs. Enabled Keras backend tests * add bias * Add Amazon copyrights to License (#6) * fix * fix * fix backend for mlp * fix context management, add optimizers * minor change * undo changes on example * fix eval * minor cleanup * fix some property usage * fixing AlphaDroupout, not finished yet * add mx model instantiate * modifies training model construct logic, fix some tests. fix reshape layer. * minor fix * fix bias_add * more fix on Dense and bias_add * In progress commit * fix comment * small fix * remove pytest.skip in conv3d. But it failed with theano backend in my workspace though. * Add conv2d and in_topk operator for mxnet backend (#11) * Skip BatchDot tests for Theano backend. (#12) * BatchDot, Basic Batchnorm, Fix BiasAdd, Fix Conv2D, CodeCleanup (#14) * Fix Conv2d shape issues and enable Conv2D UTs * Remove redundant mxnet only unit tests * Adding batch_dot, remove deconv, code comments and cleanup * Remove buggy conv1d implementation * Fix CR comments. Fix lint check issues * Move mxnet specific code from keras engine to mxnet_backend. (#15) * Move MXNet optimizers from keras optimizers to mxnet backend (#16) * Fix bug in reshape. Minor rename to avoid local conflicts * Bug fixes and enable/skip all Keras tests for mxnet backend (#21) * test results - 374 passed, 235 skipped in 114.44 seconds * fix/skip keras tests - tests/integration_tests, tests/keras/applications * fix/skip keras tests - tests/keras/engine/test_topology * fix/skip keras tests - tests/keras/engine/test_training * fix/skip keras tests - tests/keras/legacy/ * fix/skip keras tests - tests/keras/preprocessing * fix/skip keras tests - tests/keras/utils/ * Fix CR comments * Fix issues in zero_padding. Fix/Enable tests/layers/convolutional_test * Add momentum to batchnorm. Enable/skip tests in layers/core, local, merge, noise, normalization * Skip RNN tests in keras/tests/layers/recurrent_test, wrappers_test * Fix bug in spatial padding, enable/skip tests in loss,optimizers,callback,loss_weighting, model_saving * Fix mxnet backend multi-gpu training (#31) Fixing bug for mxnet backend to use multiple gpus. * Fix performance issue - Batchnormalization, Conv operator (#35) * Fix default axis for batchnorm layer for channels_first data_format * Performance improvement by avoiding kernel transpose in conv operation for channels_first format * Fix model - architecture, weights and both, load and save. (#36) * Prepare initial version of mxnet related documentation in keras (#38) * Skip failing unit tests for unsupported functionality in mxnet backend * Fix pep tests reported by CI * Use pytest module skip, revert kernel_shape logic * remove data_format param from bias_add API * Allow Predict() without compile for mxnet backend and enable tests. contributor - royw…
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