* Support fp16 in fused_elemwise_activation_op.
* Fix unit testing in ONLY-CPU mode.

* Add fc_elementwise_layernorm_fuse pass and unittest.

* Add fused_fc_elementwise_layernorm op and its GPU kernel.
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* Apply fc_elementwise_layernorm_fuse_pass to GPU inference.

* Add the setting of attrs in the definition of binary_op.
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* Add comment.

* Implement the unittest.
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* Change the unittest name of layer_norm.
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* Implement the operator with sprase matrix multiply

* Update the URL of mklml library.

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* Disable MKLML implematation when using no-linux.

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* optimize bp with mkl sparse matrix
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* tmp add fused_emb_seq layer

* Add the support of padding_idx attribute.

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* add padding_idx support
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* implement grad refer lego
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* Refine the codes related to fc op.

* Add GPU implementation for fc functor.

* Apply fc_fuse_pass in GPU inference.
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* Change the cmake for fc op.

* Change PADDLE_ENFORCE to PADDLE_ENFORCE_EQ.

* Add an attribute to set the activation type in fc_op.

* Enhance the unittest of fc_op.
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* Remove the declaration of FCOpGrad back to the header file.
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* Set default value for newly added arguments in test_fc_op.
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* Implement the operator with sprase matrix multiply

* Update the URL of mklml library.

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* Disable MKLML implematation when using no-linux.

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* optimize bp with mkl sparse matrix
test=develop

* Implement the operator with sprase matrix multiply

* Update the URL of mklml library.

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* Disable MKLML implematation when using no-linux.

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* Ignore the deprecated status for windows

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* remove unused DefaultGradOpDescMaker in REGISTER_OPERATOR(), test=develop

* remove SplitIdsOpGradMaker since it is buggy and not tested, update spec file, test=develop

* add fusion_seqpool_cvm_concat test=develop

* simplify pass, test=develop

* fix code style, test=develop

* fix spelling errors; test=develop

* Update API.spec

update md5

* Update API.spec

* change the order of api;test=develop

* Enhance fused_elementwise_activation op.
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* Move the api fused_elementwise_activation to contrib.
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* Add including files.
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* Add the support of sigmoid in fused_elementwise_activetion op.

* Update API.spec.
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* make_conv_cudnn_ws_size_configurable, test=develop

* change std::max to std::min
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* fix warnings

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* fix enforce test

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* use mat attr and refine test

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* add matmul jitcode

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* fix mac compile

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* Revert "set constant for loss"

This reverts commit 167933f6.

* Revert "remove workspace_handle"
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This reverts commit b4aca8ed.

* remove workspace_handle
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* set constant for loss
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