[mpich-discuss] questions about MPI_Comm_spawn

[Jayesh Krishna]

Hi,
 Did you try launching your job with the "-localonly" option (Also try "-localroot")?

Regards,
Jayesh

----- Original Message -----
From: "toufik hadjazi" <h_toufik7 at hotmail.fr>
To: mpich-discuss at mcs.anl.gov
Sent: Thursday, April 12, 2012 7:34:21 AM
Subject: [mpich-discuss] questions about MPI_Comm_spawn



Hi, 

I am using MPICH2 on windows 7, and I have two questions: 
1- when i try to launch a process with MPI_comm_spawn using MPI_ARGV_NULL, it work normally but when i use an array of arguments the job abort; the call for the function is like that : 

char *arg_array[4]; 
for (int i=0; i<4; i++) 
arg_array[i] = new char[255]; 

int level = 15, next = 4, range = 5; 
itoa(level, arg_array[0], 10); 
itoa(next, arg_array[1], 10); 
itoa(range, arg_array[2], 10); 

MPI_Comm_spawn("testMPI.exe", arg_array, 1, MPI_INFO_NULL, 0, MPI_COMM_SELF, &intercom, MPI_ERRCODES_IGNORE); 

2- Is it possible to launch the spawned child on another console (a new console window in the same pc); maybe using the info keys? 

best Regards, 
Toufik, 

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