其实串行时，两者是相同的；并行时，host 节点两者相同，node 节点两者不一样，可能是 if !RP_NODE define begin_c_loop_all begin_c_loop define end_c_loop_all end_c_loop else define begin_c_loop(c,t) begin_generic_loop_1(c,t,THREAD_N_ELEMENTS_INT(t)+THREAD_N_ELEMENTS_LAYER(...
1. begin, end_c_loop macro is used for looping over all the cells in particular thread for ...
搜了一些解释，还是没弄明白，求解答