“0bb9c80ef960d777c5937f8fed8ddf75f2ac6a18”上不存在“paddle/phi/kernels/accuracy_kernel.h”
* Fix bug in MergeModel.cpp. * Add a c-api inferface to initilize the thread environment of Paddle and add a GPU example. * Add some note for paddle_init_thread and move the inplementation of paddle_error_string into a .cpp file. * Add some comments.