Optimized Data Transfers Based on the OpenCL Event Management Mechanism

Listing 3

A code with the OpenCL extension for device-to-device communication.

()  if( rank == 0 ){

() clEnqueueSendBuffer(cmd, buf, CL_TRUE, off, sz, 1,…);

()  }

()  else if(rank ==  1){

() clEnqueueRecvBuffer(cmd, buf, CL_TRUE, off, sz, 0,…);

()  }