/* Copyright (c) 2011-2017 Graph500 Steering Committee
   All rights reserved.
   Developed by:                Anton Korzh anton@korzh.us
                                Graph500 Steering Committee
                                http://www.graph500.org
   New code under University of Illinois/NCSA Open Source License
   see license.txt or https://opensource.org/licenses/NCSA
*/

#ifdef __cplusplus
extern "C" {
#endif
	//MPI-like init,finalize calls
	extern int  aml_init(int *,char***);
	extern void aml_finalize(void);
	//barrier which ensures that all AM sent before the barrier are completed everywhere after the barrier
	extern void aml_barrier( void );
	//register active message function(collective call)
	extern void aml_register_handler(void(*f)(int,void*,int),int n);
	//send AM to another(myself is ok) node
	//execution of AM might be delayed till next aml_barrier() call
	extern void aml_send(void *srcaddr, int type,int length, int node );

	// rank and size
	extern int aml_my_pe( void );
	extern int aml_n_pes( void );

#ifdef __cplusplus
}
#endif

#define my_pe aml_my_pe
#define num_pes aml_n_pes

#define aml_time() MPI_Wtime()
#define aml_long_allsum(p) MPI_Allreduce(MPI_IN_PLACE,p,1,MPI_LONG_LONG,MPI_SUM,MPI_COMM_WORLD)
#define aml_long_allmin(p) MPI_Allreduce(MPI_IN_PLACE,p,1,MPI_LONG_LONG,MPI_MIN,MPI_COMM_WORLD)
#define aml_long_allmax(p) MPI_Allreduce(MPI_IN_PLACE,p,1,MPI_LONG_LONG,MPI_MAX,MPI_COMM_WORLD)