[MPICH] Problems with mpicc

[Jeffrey B. Layton]

Darius,

Here's the compile line with -show

mpicc mpi_serial_io.c -o mpi_serial_io -show
/home/laytonj/bin/mpich2-1.0.5p4-g95/bin/mpicc mpi_serial_io.c -o 
mpi_serial_io -I/home/laytonj/bin/mpich2-1.0.5p4-g95/include 
-L/home/laytonj/bin/mpich2-1.0.5p4-g95/lib -lmpich -lpthread -lrt

Thanks!

Jeff

> Hi Jeff,
>
> Add
>   -show
> to the end of your mpicc command and send us the output.  This will 
> show the actual compile command.
>
> Thanks,
> Darius
>
> On 07/19/2007 04:12 PM, Jeffrey B. Layton wrote:
>> I can't even seem to compile to create test. I just tried a
>> different binary output name with the same result
>> (it hung for about 5 minutes).
>>
>> Jeff
>>
>>> Just in case this might be the problem, I'll remind you that there 
>>> is a system program named "test" which does nothing but set the exit 
>>> code.
>>> Are you sure you aren't accidentally running this program instead of 
>>> the one compiled from code.c but linked as "test"?
>>>
>>> Rusty
>>>
>>> On Jul 19, 2007, at 3:47 PM, Jeffrey B. Layton wrote:
>>>
>>>> Afternoon,
>>>>
>>>> I built mpich2-1.0.5p4 with g95 and gcc 3.4.3 (see below).
>>>> Here's the configuration I used:
>>>>
>>>> ./configure  -prefix=/home/laytonj/bin/mpich2-1.0.5p4-g95  \
>>>> --enable-f77 --enable-f90 --enable-romio --disable-mpe \
>>>> --with-file-system="nfs+ufs"
>>>>
>>>> MPICH2 seemed to build and install just fine. Then I tried
>>>> compiling one of the non-MPI-IO codes from the MPI-2
>>>> book (see below). When I compile:
>>>>
>>>> mpicc code.c -o test
>>>>
>>>> it just hangs for a long time (I've let it sit for over 20 mins.).
>>>> The load stays around 1.0 and the memory usage doesn't
>>>> increase during the whole time.
>>>>
>>>> I know this one is a toughy. Any ideas?
>>>>
>>>> Thanks!
>>>>
>>>> Jeff
>>>>
>>>> gcc configuration:
>>>> % gcc -v
>>>> Reading specs from /usr/lib/gcc/i386-redhat-linux/3.4.3/specs
>>>> Configured with: ../configure --prefix=/usr --mandir=/usr/share/man 
>>>> --infodir=/usr/share/info --enable-shared --enable-threads=posix 
>>>> --disable-checking --with-system-zlib --enable-__cxa_atexit 
>>>> --disable-libunwind-exceptions --enable-java-awt=gtk 
>>>> --host=i386-redhat-linux
>>>> Thread model: posix
>>>> gcc version 3.4.3 20050227 (Red Hat 3.4.3-22.1)
>>>>
>>>> sample code:
>>>> /* example of sequential Unix write into a common file */
>>>> #include "mpi.h"
>>>> #include <stdio.h>
>>>> #define BUFSIZE 100
>>>>
>>>> int main(int argc, char *argv[])
>>>> {
>>>>    int i, myrank, numprocs, buf[BUFSIZE];
>>>>    MPI_Status status;
>>>>    FILE *myfile;
>>>>
>>>>    MPI_Init(&argc, &argv);
>>>>    MPI_Comm_rank(MPI_COMM_WORLD, &myrank);
>>>>    MPI_Comm_size(MPI_COMM_WORLD, &numprocs);
>>>>    for (i=0; i<BUFSIZE; i++)
>>>>        buf[i] = myrank * BUFSIZE + i;
>>>>    if (myrank != 0)
>>>>        MPI_Send(buf, BUFSIZE, MPI_INT, 0, 99, MPI_COMM_WORLD);
>>>>    else {
>>>>        myfile = fopen("testfile", "w");
>>>>        fwrite(buf, sizeof(int), BUFSIZE, myfile);
>>>>        for (i=1; i<numprocs; i++) {
>>>>            MPI_Recv(buf, BUFSIZE, MPI_INT, i, 99, MPI_COMM_WORLD,
>>>>                     &status);
>>>>            fwrite(buf, sizeof(int), BUFSIZE, myfile);
>>>>        }
>>>>        fclose(myfile);
>>>>    }
>>>>    MPI_Finalize();
>>>>    return 0;
>>>> }
>>>>
>>>>
>>>>
>>>
>>>
>>
>