Dear all,<br><br>Thank you for suggesting me about fftw compilers. Now i installed fftw-3.3.2 succesfully, But i got same error again. Here i am giving complete details<br>F77=ifort<br>FC=ifort<br>MPIF90=mpiifort<br>cc=cc<br>
Serial <br><br>ichecked libfftw3f.a and libfftw3f_mpi with " nm /applications/ice/fftw/lib/libfftw3f_mpi.a | grep -e f77" ;;there are no "_" in this file. <br><br> O Compiler options: -FR -w -mp1 -prec_div -pad -ip -DINTEL_VML -O3 -xP<br>
L Linker Flags: $(FOPT) -L/opt/intel/Compiler/11.1/038/mkl/lib/em64t -lguide -pthread<br> P Preprocessor flags '-DParallel'<br> R R_LIB (LAPACK+BLAS): $(FOPT) -L/opt/intel/Compiler/11.1/038/mkl/lib/em64t -lmkl_lapack - lmkl_intel_lp64 -lmkl_intel_thread -lmkl_core -openmp -lpthread -lguide<br>
<br><br><br>Parallel<br> RP RP_LIB(SCALAPACK+PBLAS): -L/opt/intel/Compiler/11.1/038/mkl/lib/em64t /opt/intel/Compiler/11.1/038/mkl/lib/em64t/libmkl_blas95_ilp64.a /opt/intel/Compiler/11.1/038/mkl/lib/em64t/libmkl_lapack95_ilp64.a -lmkl_scalapack_ilp64 -lmkl_cdft_core -lmkl_intel_ilp64 -lmkl_intel_thread -lmkl_core -lmkl_blacs_intelmpi_ilp64 -openmp -lpthread -lm -L/opt/intel/impi/<a href="http://3.2.1.009/lib64">3.2.1.009/lib64</a> -lmpiic -L/applications/ice/fftw/lib -lfftw3f -lfftw3f_mpi $(R_LIBS)<br>
FP FPOPT(par.comp.options): $(FOPT)<br> MP MPIRUN commando : mpirun -np _NP_ -machinefile _HOSTS_ _EXEC_<br><br>I got this error<br><br>fftw_para.o: In function `exec_fftw_para_':<br>fftw_para.F:(.text+0x77): undefined reference to `fftwnd_f77_mpi_'<br>
fftw_para.F:(.text+0xb2): undefined reference to `fftwnd_f77_mpi_'<br>fftw_para.o: In function `init_fftw_para_':<br>fftw_para.F:(.text+0xf5): undefined reference to `fftw3d_f77_mpi_create_plan_'<br>fftw_para.F:(.text+0x11d): undefined reference to `fftw3d_f77_mpi_create_plan_'<br>
fftw_para.F:(.text+0x143): undefined reference to `fftwnd_f77_mpi_local_sizes_'<br><br><br>Please help me in this.<br><br>with regards<br>S.Appalakondaiah<br><br><br><br>