Problem when using mpi

[thanhphatvt]

I have this problem when making the simulation:
make CXX=mpic++ CC=gcc -C external
make[1]: Entering directory ‘/mnt/c/Users/duong/Downloads/olb-1.6r1/olb-1.6r0/external’
make -C zlib
make[2]: Entering directory ‘/mnt/c/Users/duong/Downloads/olb-1.6r1/olb-1.6r0/external/zlib’
gcc -c -o build/adler32.o ./adler32.c
gcc -c -o build/crc32.o ./crc32.c
gcc -c -o build/deflate.o ./deflate.c
gcc -c -o build/infback.o ./infback.c
gcc -c -o build/inffast.o ./inffast.c
gcc -c -o build/inflate.o ./inflate.c
gcc -c -o build/inftrees.o ./inftrees.c
gcc -c -o build/trees.o ./trees.c
gcc -c -o build/zutil.o ./zutil.c
gcc -c -o build/compress.o ./compress.c
gcc -c -o build/uncompr.o ./uncompr.c
gcc -c -o build/gzclose.o ./gzclose.c
gcc -c -o build/gzlib.o ./gzlib.c
gcc -c -o build/gzread.o ./gzread.c
gcc -c -o build/gzwrite.o ./gzwrite.c
ar rc build//libz.a ./build/adler32.o ./build/crc32.o ./build/deflate.o ./build/infback.o ./build/inffast.o ./build/inflate.o ./build/inftrees.o ./build/trees.o ./build/zutil.o ./build/compress.o ./build/uncompr.o ./build/gzclose.o ./build/gzlib.o ./build/gzread.o ./build/gzwrite.o
make[2]: Leaving directory ‘/mnt/c/Users/duong/Downloads/olb-1.6r1/olb-1.6r0/external/zlib’
cp zlib/build/libz.a lib/
make -C tinyxml
make[2]: Entering directory ‘/mnt/c/Users/duong/Downloads/olb-1.6r1/olb-1.6r0/external/tinyxml’
mpic++ -c tinystr.cpp -o build/tinystr.o
mpic++ -c tinyxml.cpp -o build/tinyxml.o
mpic++ -c tinyxmlerror.cpp -o build/tinyxmlerror.o
mpic++ -c tinyxmlparser.cpp -o build/tinyxmlparser.o
ar rc build/libtinyxml.a ./build/tinystr.o ./build/tinyxml.o ./build/tinyxmlerror.o ./build/tinyxmlparser.o
make[2]: Leaving directory ‘/mnt/c/Users/duong/Downloads/olb-1.6r1/olb-1.6r0/external/tinyxml’
cp tinyxml/build/libtinyxml.a lib/
make[1]: Leaving directory ‘/mnt/c/Users/duong/Downloads/olb-1.6r1/olb-1.6r0/external’
mpic++ -O3 -Wall -march=native -mtune=native -std=c++17 -fopenmp -pthread -DPARALLEL_MODE_OMP -DPARALLEL_MODE_MPI -DPLATFORM_CPU_SISD -DPLATFORM_CPU_SIMD -DPLATFORM_GPU_CUDA -fPIC -Isrc/ -c src/communication/mpiManager.cpp -o src/communication/mpiManager.o
In file included from src/communication/mpiManager.cpp:21:
src/communication/mpiManager.h:31:10: fatal error: mpi.h: No such file or directory
31 | #include “mpi.h”
| ^~~~~~~
compilation terminated.
make: *** [Makefile:46: src/communication/mpiManager.o] Error 1
Could you help me to solve this problem Thank you so much!

[Adrian]

Which MPI version are you using and can you share details on your system? The mpic++ wrapper should set the required include paths automatically (it is it’s main point). The issue is that does are not found in your environment.

[thanhphatvt]

Hello Adrian,
Thanks for your reply. Here is mpi version which I used
mpirun –version
mpirun (Open MPI) 4.1.2

Report bugs to http://www.open-mpi.org/community/help/

[Adrian]

Ok, judging from the initial log you are compiling inside WSL?

Which distribution are you using and how / which MPI packages did you install?

Following the “tech report” you are likely missing the libopenmpi-dev package.

[thanhphatvt]

Yes I compiled in WSL.
For installing MPI, I used tech report for doing it.
I’ve already installed libopenmpi-dev
libopenmpi-dev is already the newest version (4.1.2-2ubuntu1).

[thanhphatvt]

Hi Adrian,
Thank you for your help. I’ve solved my problem. I uninstalled open mpi and installed again. And now it can work normally. Thank you so much!

[Author]

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