[½»Á÷] ¡¾ÇóÖú¡¿°²×°MPICH2òËƳɹ¦£¬²âÊÔ¹ý³ÌÖеÄÒÉÎʶà¶à

1¡¢´ÓÍøÖ·http://www-unix.mcs.anl.gov/mpi/mpich/ ´¦ÏÂÔØMPICH ×îа汾µÄÔ´³ÌÐò, ÎļþÃûΪmpich2-1.x.x.tar.gz, ÆäÖÐ1.x.x ΪMPICH µÄ°æ±¾ºÅ(Ä¿Ç°µÄ×îа汾Ϊmpich2-1.1.1p1.tar.gz)¡£ÔÚÏÂÃæÃèÊöµÄ¹ý³ÌÖÐÐèÓÃMPICH µÄʵ¼Ê°æ±¾ºÅÌæ»»1.x.x
2¡¢Õ¹¿ªMPICH Ô´³ÌÐò: tar zxvf mpich2-1.1.1p1.tar.gz
3¡¢ÅäÖᢱàÒëMPICH:
cd mpich2-1.1.1p1 ./configure -prefix=/usr/local/mpi --disable-weak-symbols make
ÉÏÊöÃüÁîÉú³ÉµÄMPICH ¿âÓ¦¸ÃʹÓÃch_p4 ½øÐеײãͨÐÅ¡£ Ñ¡Ïî--disable-weak-symbols µÄʹÓÃÊÇΪ±ÜÃâMPICH 1.2.5 µÄÒ»¸öbug, ·ñÔò²úÉúµÄ¿âÖÐ ½«Ã»ÓÐMPI_File_xxxx µÈº¯Êý(Ö»ÓÐPMPI_File_xxx µÈº¯Êý)
4¡¢°²×°MPICH:
make install
ÕâÒ»²½±ØÐëÒÔroot Éí·ÝÖ´ÐÐ, Ëü½«MPICH µÄÎļþ°²×°µ½Ä¿Â¼/usr/local/mpi ÖС£°²×°Íê±Ïºó¿ÉÒÔɾ³ýMPICH Ô´ÎļþĿ¼¡£
5¡¢Ìí¼Ó»·¾³±äÁ¿ ·Ö±ð½«¡°/usr/local/mpi/bin¡± ºÍ¡°/usr/local/mpi/man¡± ¼ÓÈëµ½»·¾³±äÁ¿PATH ºÍMANPATH ÖС£ Ö»ÐèÔÚĿ¼/etc/profile.d Öд´½¨Á½¸öÎļþmpich.sh ºÍmpich.csh, ËüÃÇ·Ö±ð¶ÔBourne shellºÍC shell Æð×÷ÓÃ, ÕâÁ½¸öÎļþµÄÄÚÈÝÈçÏÂ:
¨C /etc/profile.d/mpich.sh :
#!/bin/bash export
MANPATH=${MANPATH}:/usr/local/mpi/man export
PATH=${PATH}:/usr/local/mpi/bin
¨C /etc/profile.d/mpich.csh :
#!/bin/csh
if ( $?MANPATH == 0 )
then
setenv MANPATH :/usr/local/mpi/man
else
setenv MANPATH ${MANPATH}:/usr/local/mpi/man
endif setenv PATH ${PATH}:/usr/local/mpi/bin

2.9 ²âÊÔ»·¾³±äÁ¿ÉèÖà #which mpd #which mpicc #which mpiexec #which mpirun
2.10 ÐÞ¸Ä/etc/mpd.confÎļþ£¬ÄÚÈÝΪsecretword=myword #vi /etc/mpd.conf
ÉèÖÃÎļþ¶ÁȡȨÏÞºÍÐÞ¸Äʱ¼ä
#touch /etc/mpd.conf
#chmod 600 /etc/mpd.conf

#!/bin/csh if ( $?MANPATH == 0 )
then setenv MANPATH :/usr/local/mpi/share/man
else
setenv MANPATH ${MANPATH}:/usr/local/mpi/share/man
endif
setenv PATH ${PATH}:/usr/local/mpi/bin

#!/bin/bash
export MANPATH=${MANPATH}:/usr/local/mpi/share/man
export PATH=${PATH}:/usr/local/mpi/bin

gleerat@gleerat-desktop:~$ which mpd
/usr/bin/mpd
gleerat@gleerat-desktop:~$ which mpicc
/usr/bin/mpicc
gleerat@gleerat-desktop:~$ which mpiexec
/usr/bin/mpiexec
gleerat@gleerat-desktop:~$ which mpirun
/usr/bin/mpirun
gleerat@gleerat-desktop:~$ mpd &
[1] 27538
gleerat@gleerat-desktop:~$ mpdtrace
gleerat-desktop
gleerat@gleerat-desktop:~$ mpdallexit
gleerat@gleerat-desktop:~$

²âÊÔÔËÐÐMPICHµÄÔ²ÖÜÂʵijÌÐò
ÔÚÈí¼þµÄ°²×°°üÀïÓÐÔ²ÖÜÂʼÆËãµÄÔ­´úÂëicpi.c,ÏȱàÒë³É¿ÉÖ´ÐÐÎļþ
#cd /usr/local/mpich/install/examples/
mpicc icpi.c -o icpi

C ³ÌÐò
cp /usr/local/mpi/examples/cpi.c .
mpicc -o cpi cpi.c .
mpirun -np 1 cpi
mpirun -np 2 cpi
Fortran ³ÌÐò
cp /usr/local/mpi/examples/pi3.f .
mpif77 -o pi3 pi3.f .
mpirun -np 1 pi3
mpirun -np 2 pi3
(³ÌÐòÔËÐйý³ÌÖÐÒÀ´ÎÊäÈë10000 ºÍ0)

gleerat@gleerat-desktop:~$ cp /home/mpich2-1.2/examples/cpi.c .
gleerat@gleerat-desktop:~$ mpicc -o cpi cpi.c .
/usr/bin/ld: .: No such file: File format not recognized
collect2: ld returned 1 exit status
gleerat@gleerat-desktop:~$ mpirun -np 1 cpi
Missing: program name
Program cpi either does not exist, is not executable, or is an erroneous argument to mpirun.
gleerat@gleerat-desktop:~$ mpirun -np 2 cpi
Missing: program name
Program cpi either does not exist, is not executable, or is an erroneous argument to mpirun.
gleerat@gleerat-desktop:~$ cd /home/mpich2-1.2/examples
gleerat@gleerat-desktop:/home/mpich2-1.2/examples$ mpicc icpi.c -o icpi
/usr/bin/ld: cannot open output file icpi: Permission denied
collect2: ld returned 1 exit status
gleerat@gleerat-desktop:/home/mpich2-1.2/examples$ sudo mpicc icpi.c -o icpi
gleerat@gleerat-desktop:/home/mpich2-1.2/examples$