Sorry...thought it was ok since it uses RInside and Rcpp.
On Sat, Feb 27, 2016 at 2:15 PM, Jeff Newmiller <jdnew...@dcn.davis.ca.us>
wrote:
> This is off topic here... wrong audience. Read the Posting Guide.
> --
> Sent from my phone. Please excuse my brevity.
>
> On February 27, 2016 12:00:23 PM PST, Erin Hodgess <
> erinm.hodg...@gmail.com> wrote:
>
>> Hello again.
>>
>> This time, I would like to add MPI to my Fortran program. Here are the
>> Fortran and C++ codes:
>>
>> program buzzy
>> use iso_c_binding
>> implicit none
>> include '/opt/openmpi/include/mpif.h'
>>
>>
>>
>>
>> integer :: rank,size,ierror,tag,status(MPI_STATUS_SIZE), i,np
>> integer :: argc = 1000000
>> real :: x,tot1
>> character(len=32) :: argv
>>
>>
>> INTERFACE
>> SUBROUTINE R_FUN(argc,argv) bind(C, name="buzzyC")
>> use iso_c_binding
>> character(kind=c_char), INTENT(INOUT) :: argv
>> INTEGER(kind=c_int), INTENT(IN) :: argc
>>
>> END SUBROUTINE R_FUN
>> END INTERFACE
>>
>> call MPI_INIT(ierror)
>> call MPI_COMM_SIZE(MPI_COMM_WORLD,size,ierror)
>> call MPI_COMM_RANK(MPI_COMM_WORLD,rank,ierror)
>>
>>
>>
>>
>> print *, "Fortran Calling RInside",rank
>> CALL
>> R_FUN (argc,argv)
>> print *,rank
>>
>> call MPI_FINALIZE(ierror)
>>
>> end program buzzy
>>
>> and
>>
>> #include <iostream>
>> #include <RInside.h>
>>
>> void buzzyC_(int argc,char *argv[]);
>>
>> extern "C" void buzzyC(int argc,char *argv[]) {
>>
>> // create an embedded R instance
>> RInside R(argc,argv);
>>
>> // convert to string for RInside assignment
>>
>>
>> // eval the string, give R notice
>> R.parseEvalQ("cat(mean(rnorm(argc))");
>> }
>>
>> Now my steps for compiling and linking are the following:
>>
>> erin@erin-Bonobo-Extreme:~$ mpif90 -c buzzy.f90
>> erin@erin-Bonobo-Extreme:~$ mpic++ buzzyC.cpp -c
>> -I/home/erin/R/x86_64-pc-linux-gnu-library/3.2/RInside/include
>> -I/home/erin/R/x86_64-pc-linux-gnu-library/3.2/Rcpp/include
>> -I/usr/share/R/include -libstdc++
>> erin@erin-Bonobo-Extreme:~$ mpifort -o fcra buzzy.o buzzyC.o
>> -L/usr/lib/R/lib -lR
>> -L
>> /home/erin/R/x86_64-pc-linux-gnu-library/3.2/RInside/lib -lRInside
>> -L/home/erin/R/x86_64-pc-linux-gnu-library/3.2/Rcpp/libs/
>> -Wl,-rpath,/home/erin/R/x86_64-pc-linux-gnu-library/3.2/RInside/lib/
>> -lRInside
>> -Wl,-rpath,/home/erin/R/x86_64-pc-linux-gnu-library/3.2/Rcpp/libs/ -lstdc++
>> /usr/lib/x86_64-linux-gnu/libstdc++.so.6
>>
>> So far so good
>> But when I run this, disaster strikes:
>>
>> erin@erin-Bonobo-Extreme:~$ mpirun -np 4 ./fcra
>> Fortran Calling RInside 0
>> Fortran Calling RInside 1
>> Fortran Calling RInside 3
>> Fortran Calling RInside 2
>>
>> Program received signal SIGSEGV: Segmentation fault - invalid memory
>> reference.
>>
>> Backtrace for this error:
>>
>> Program received signal SIGSEGV: Segmentation fault - invalid memory
>> reference.
>>
>> Backtrace for this error:
>> #0 0x7FC59706CE48
>> #1 0x7FC59706BFD0
>> #2 0x7FC596AA52EF
>> #3
>> 0x7FC596AFB69A
>> #4 0x7FC597C5E8E8
>> #5 0x7FC5979671E8
>> #6 0x7FC5979677A1
>> #7 0x402A55 in buzzyC
>> #8 0x402891 in MAIN__ at buzzy.f90:?
>> #0 0x7F2482294E48
>> #1 0x7F2482293FD0
>> #2 0x7F2481CCD2EF
>> #3 0x7F2481D2369A
>> #4 0x7F2482E868E8
>> #5 0x7F2482B8F1E8
>> #6 0x7F2482B8F7A1
>> #7 0x402A55 in buzzyC
>> #8 0x402891 in MAIN__ at buzzy.f90:?
>> ------------------------------
>>
>> mpirun noticed that process rank 1 with PID 2188 on node
>> erin-Bonobo-Extreme exited on signal 11 (Segmentation fault).
>> ------------------------------
>>
>> erin@erin-Bonobo-Extreme:~$
>>
>> Maybe I should be asking: is this even possible, please?
>>
>> Thanks,
>> Erin
>>
>>
--
Erin Hodgess
Associate Professor
Department of Mathematical and Statistics
University of Houston - Downtown
mailto: erinm.hodg...@gmail.com
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