mpi并行計(jì)算期末考試復(fù)習(xí)題-全文預(yù)覽
【正文】 char MPI_UNSIGNED_CHAR unsigned short intMPI_UNSIGNED_SHORT unsigned int MPI_UNSIGNED unsigned long intMPI_UNSIGNED_LONG floatMPI_FLOAT doubleMPI_DOUBLE long double MPI_LONG_DOUBLE 無(wú)對(duì)應(yīng)類型MPI_BYTE 無(wú)對(duì)應(yīng)類型MPI_PACKED 下面三個(gè)例子那個(gè)類型匹配有問(wèn)題？問(wèn)什么？REAL a(20),b(20)…CALL MPI_COMM_RANK(m, rank, ierr)IF() THENCALL MPI_SEND(a(1), 10, MPI_REAL, 1, tag, m, ierr)ELSE IF (rank .EQ. 1) THENCALL MPI_RECV(b(1), 15, MPI_REAL, 0, tag, m, status, ierr)END IF對(duì)，MPI_REAL和MPI_REAL匹配例2…REAL a(20),b(20)…CALL MPI_COMM_RANK(m, rank, ierr)IF() THENCALL MPI_SEND(a(1), 10, MPI_REAL, 1, tag, m, ierr)ELSE IF (rank .EQ. 1) THENCALL MPI_RECV(b(1), 40, MPI_BYTE, 0, tag, m, status, ierr)END IF錯(cuò)，MPI_BYTE和MPI_REAL不匹配 例3…REAL a(20),b(20)…CALL MPI_COMM_RANK(m, rank, ierr)IF() THENCALL MPI_SEND(a(1), 40, MPI_BYTE, 1, tag, m, ierr)ELSE IF (rank .EQ. 1) THENCALL MPI_RECV(b(1), 60, MPI_BYTE, 0, tag, m, status, ierr)END IF對(duì)，MPI_BYTE和MPI_BYTE匹配指出下面兩條調(diào)用的消息數(shù)據(jù)和消息信封部分 MPI_SEND( buf, count,datatype,dest,tag,m)MPI_RECV(buf,count,datatype,source,tag,m,status)在MPI中如何計(jì)時(shí)？ 使用MPI_WTIME函數(shù)如何終止MPI程序的執(zhí)行？ 使用MPI_ABORT調(diào)用什么是安全的發(fā)送和接收序列？ 一個(gè)進(jìn)程先執(zhí)行發(fā)送操作，另一個(gè)進(jìn)程先執(zhí)行相應(yīng)的接收操作。*/ MPI_Recv(message, 20, MPI_CHAR, 0, 99, MPI_COMM_WORLD, amp。MPI_Send(message, strlen(message), MPI_CHAR, 1, 99,MPI_COMM_WORLD)。myrank )?！ PI_Init( amp?！ nclude main( argc, argv ) int argc。namelen)。myid)?！ PI_Init(amp。編寫一個(gè)C+MPI的程序，實(shí)現(xiàn)每一個(gè)進(jìn)程都打印出自己的進(jìn)程號(hào)，總的進(jìn)程數(shù)，本進(jìn)程所在的機(jī)器名以及SAY HELLO TO MPI。并
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