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Tips on Compilation of OpenMX in POWER7 machines Date: 2012/07/05 15:50 Name: T.Ohwaki Dear users, Here are indicated a few ways of compiling the OpenMX 3.6 code for the IBM's POWER7-CPU machines. Hopefully the following information may be helpful for OpenMX users using the IBM's POWER-platforms. There are two methods as follows; (A) Case of using "mpcc" and "mpif90": CC = mpcc -q64 -O2 -qnosmp -qarch=pwr7 -qtune=pwr7 -qstrict \ -qlanglvl=extended -qmaxmem=-1 -Dnoomp -Df77 -Dnosse \ -I/***** LD = mpif90 -64 -noparallel LIB = -L/***** -llapack \ -L/***** -lblas \ -L/***** -lfftw3 \ -L/***** -lxlopt openmx: $(OBJS) $(LD) $(OBJS) $(STACK) $(CS) $(LIB) -lm -lc -o openmx (B) Case of usign only "mpif90": CC = mpif90 -O2 -Dnoomp -Df77 -Dnosse \ -I/***** LIB = -L/***** -llapack \ -L/***** -lblas \ -L/***** -lfftw3 \ -L/***** -lxlopt openmx: $(OBJS) $(CC) $(OBJS) $(STACK) $(CS) $(LIB) -lm -o openmx We strongly recommend users to refer to the first method (A) because this method is the most optimum one. Note that the above methods were confirmed and valid only in the HITACHI SR16000 M1 (OS: AIX 7.1) at Hokkaido University. So if you would like to compile the OpenMX code at other POWER-processor machines, you need to try to alter several parts of these compilation sentences appropriately according to the machine systems. * * * * * * We would like to thank Prof. M.Omiya (Information Initiative Center, Hokkaido Univ.) for suggesting the most optimum method of compiling the OpenMX code in the SR16000 M1 at Hokkaido Univ..

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