Optimized Data Transfers Based on the OpenCL Event Management Mechanism

Algorithm 3

cl_int

clEnqueueRecvBuffer(cl_command_queue cmd, /* command queue */

           cl_mem buf, /* memory buffer to receive data */

           cl_bool blocking, /* blocking function call */

           size_t offset,    /* offset */

           size_t size,        /* buffer size */

           int src,               /* sender’s rank */

           int tag,          /* tag */

           MPI_Comm comm,  /* communicator */

           cl_uint numevts, /* the number of events in the list */

           const cl_event* wlist, /* event list */

           cl_event* evtret ) /* event object of the function call */