Fix warning of roi perspective transform op

Avoid multiple definitions of lstm_compute_ctht when linking libpaddle_fluid.so

* "fix compile error"

* "fix ci"

* rerun ci
test=develop

* test=develop

rerun ci

This reverts commit 21bb9e91, reversing
changes made to 3fa68dc1.

test=develop

update libpaddle_fluid.a/so

test=develop

hide all left over kwargs

test=develop

test=develop

reduce inference ci time

test=develop

Disable one test in test_quantize_transpiler.

clean up channel

test=develop

disable this two unittests to accelerate Mac unit test

test=develop

test=develop

Adding fused_embedding_fc_lstm op

fix random fail on test_api_impl

test=develop

* refine reduce by cub
* optimize KernelDepthwiseConvFilterGrad
* optimize depthwise conv and reduce mean and reduce sum
* fix bug: dilation
* cuda arch and cuda 8 compatible

test=develop

test=develop

Add API.spec

test=develop

test=develop

test=develop

disable dist se resnet

test=develop

Current scope needs to be thread-safe for training

Hide out params in elementwise layers and scale layer