1#!/usr/bin/python 2 3# Example configure script for the IBM POWER9 and NVIDIA Volta GV100 "Summit" system at OLCF/ORNL. 4# This may also be useful for the related Sierra system at LLNL, or other, similar systems that may appear. 5# A compiler module and the 'cmake' and 'cuda' modules should be loaded on Summit. 6# See inline comments below on other modules that might need to be loaded. 7 8if __name__ == '__main__': 9 import os 10 import sys 11 sys.path.insert(0, os.path.abspath('config')) 12 import configure 13 configure_options = [ 14 # We use the IBM Spectrum MPI compiler wrappers, regardless of the underlying compilers used. 15 '--with-cc=mpicc', 16 '--with-cxx=mpiCC', 17 '--with-fc=mpifort', 18 19 '--with-shared-libraries=1', 20 21 ############################################################ 22 # Specify compiler optimization flags. 23 ############################################################ 24 25 # The GCC, PGI, and IBM XL compilers are supported on Summit. 26 # Make sure that the correct compiler suite module is loaded, 27 # module load gcc, pgi, or xl 28 # and then comment/uncomment the appropriate stanzas below. 29 # For optimized cases, more aggressive compilation flags can be tried, 30 # but the examples below provide a reasonable start. 31 32 # If a debug build is desired, use the following for any of the compilers: 33 #'--with-debugging=yes', 34 #'COPTFLAGS=-g', 35 #'CXXOPTFLAGS=-g', 36 #'FOPTFLAGS=-g', 37 38 # For production builds, disable PETSc debugging support: 39 '--with-debugging=no', 40 41 # Optimized flags for PGI: 42 'COPTFLAGS=-g -fast', 43 'CXXOPTFLAGS=-g -fast', 44 'FOPTFLAGS=-g -fast', 45 46 # Optimized flags for XL or GCC: 47 #'--COPTFLAGS=-g -Ofast -mcpu=power9', 48 #'--CXXOPTFLAGS=-g -Ofast -mcpu=power9', 49 #'--FOPTFLAGS=-g -Ofast -mcpu=power9', 50 51 ############################################################ 52 # Specify BLAS and LAPACK. 53 ############################################################ 54 55 # With GCC and PGI compilers, can download and build: 56 '--download-fblaslapack=1', 57 58 # Download and build does not work with the XL compilers. 59 # For this case, use ESSL. (ESSL does *not* work for builds with GCC and PGI.) 60 # Note that ESSL does not provide some of the LAPACK functions required by PETSc! 61 # On ORNL's Summit, one must 'module load' both the essl AND netlib-lapack modules: 62 #'--with-blaslapack-lib=-L' + os.environ['OLCF_ESSL_ROOT'] + '/lib64 -lessl -llapack', 63 64 ############################################################ 65 # Enable GPU support through CUDA/CUSPARSE and ViennaCL. 66 ############################################################ 67 68 '--with-cuda=1', 69 '--with-cudac=nvcc', 70 # nvcc reqires the user to specify host compiler name via "-ccbin" when using non-GCC compilers: 71 'CUDAFLAGS=-ccbin pgc++', # For PGI 72 #'CUDAFLAGS=-ccbin xlc++_r', # For IBM XL 73 74 '--download-viennacl=1', 75 76 ############################################################ 77 # Now specify some commonly used optional packages. 78 ############################################################ 79 80 '--with-hdf5-dir=' + os.environ['OLCF_HDF5_ROOT'], # 'module load hdf5' to use the OLCF-provided build 81 '--download-metis=1', 82 '--download-parmetis=1', 83 '--download-triangle=1', 84 '--download-ctetgen=1', 85 86 # The options below do not work with the IBM XL compilers. 87 # Trying to use the OLCF-provided 'hypre' module also does not work. 88 '--download-hypre=1', 89 '--download-ml=1', 90 91 ] 92 configure.petsc_configure(configure_options) 93