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# dotProductParallel_1.py# "to run" syntax example: mpiexec -n 4 python26 dotProductParallel_1.py 40000from mpi4py import MPIimport numpyimport syscomm = MPI.COMM_WORLDrank = comm.Get_rank()size = comm.Get_size()# read from command line# n = int(sys.argv[1]) #length of vectors...
#dotProductParallel_1.py#"to run" syntax example: mpiexec -n 4 python26 dotProductParallel_1.py 40000frommpi4pyimportMPIimportnumpyimportsys comm=MPI.COMM_WORLD rank=comm.Get_rank() size=comm.Get_size()#read from command line#n = int(sys.argv[1]) #length of vectorsn = 10000#arbitrar...
comm=MPI.COMM_WORLD rank=comm.Get_rank() size=comm.Get_size()#takes in command-line arguments [a,b,n]a = float(sys.argv[1]) b= float(sys.argv[2]) n= int(sys.argv[3])#we arbitrarily define a function to integratedeff(x):returnx *x#this is the serial version of the trapezoi...
无意中发现了一个Python下的mpi教程《A Python Introduction to Parallel Programming with MPI 1.0.2 documentation》 地址如下: Communication The Trapezoidal Rule 关于这个梯形规则,推荐资料: trapSerial.py# example to run: python trapSerial.py 0.0 1.0 10000import numpyimport sysimport time#...
info_val = MPI_Comm.from_address(info_ptr) ncid = c_int() retval = _ncmpi_open(comm_val, name, NC_NOWRITE, info_val, byref(ncid)) errcheck(retval)returnncid.value 开发者ID:abhinavvishnu,项目名称:matex,代码行数:9,代码来源:pnetcdf.py ...
frommpi4pyimportMPI comm=MPI.COMM_WORLD rank=comm.rankprint("my rank is :",rank)ifrank == 1: data_send="a"destination_process= 5source_process= 5comm.send(data_send, dest=destination_process) data_received= comm.recv(source=source_process)print("sending data %s to process %d"%(data_...
buf = arrreturn[buf, arr.size, MPI_TYPE_MAP[str(arr.dtype)]] 开发者ID:team-ocean,项目名称:veros,代码行数:25,代码来源:distributed.py 示例2: numpy_to_MPI_typemap ▲点赞 5▼ # 需要导入模块: from mpi4py import MPI [as 别名]# 或者: from mpi4py.MPI importINT[as 别名]defnumpy_to...
defmaster_only(func):'''Decorator to limit a function to be calledonly in master process in MPI env.'''@wraps(func)def_call_in_master_proc(*args,**kwargs):ifmpi.is_master:returnfunc(*args,**kwargs)return_call_in_master_proc