* optimiaze performance of PreparePhiData

* dygraph performance optimization

* perfect reshape kernel

* fix bugs of sig

* add unittest for reshape_sig

* fix bugs when run converage

* move set_value_grad kernel form fluid to phi

* add unittest for passing coverage ci

* move allclose kernel

* remove allclose op kernel

* fix coverage failed

* save code

* fix bug of set_value

* add coverage test

* rename pten to phi

* fix infrt compile failed

* resolve conflict

* rename pten dir to phi

* rename namespace to phi

* rename infrt pten dir to phi

* resolve conflict

* rename pten to phi in cmake

* revert all infrt change

* change needed files

* fix infrt failed

* fix inference failed

* Add selected_rows kernel for full

* remove fill_constant register in fluid

* fix bug without GPU

* add jit_kernel_helper dependency for fc

* do some refactor

* add unittest for ops signatures

* add coverage unittest

* fix merge conflict

* fix full selectew_rows bug