Adapt warpctc grad op for gradient checking#7414

Merged

wanghaoshuang merged 7 commits intoPaddlePaddle:developfrom

wanghaoshuang:warpctc

Jan 15, 2018

Commits on Jan 10, 2018

1. Fix warpctc grad op
wanghaoshuang
committed
Merge branch 'develop' of https://github.com/PaddlePaddle/Paddle into warpctc
wanghaoshuang
committed

Commits on Jan 11, 2018

Commits on Jan 13, 2018

1. Fix warpctc grad tensor initial bug.
wanghaoshuang
committed
Merge branch 'develop' of https://github.com/PaddlePaddle/Paddle into warpctc
wanghaoshuang
committed

Commits on Jan 15, 2018

Fix sequence scale functor cuda kernel
wanghaoshuang
committed