DAMASK_EICMD/code/spectral_interface.f90

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!--------------------------------------------------------------------------------------------------
!> @author Martin Diehl, Max-Planck-Institut für Eisenforschung GmbH
!> @author Philip Eisenlohr, Max-Planck-Institut für Eisenforschung GmbH
!> @brief Interfacing between the spectral solver and the material subroutines provided
!! by DAMASK
!> @details Interfacing between the spectral solver and the material subroutines provided
!> by DAMASK. Interpretating the command line arguments or, in case of called from f2py,
!> the arguments parsed to the init routine to get load case, geometry file, working
!> directory, etc.
!--------------------------------------------------------------------------------------------------
module DAMASK_interface
use prec, only: &
pInt
implicit none
private
#ifdef PETSc
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#include <petsc/finclude/petscsys.h>
#endif
logical, public, protected :: appendToOutFile = .false. !< Append to existing spectralOut file (in case of restart, not in case of regridding)
integer(pInt), public, protected :: spectralRestartInc = 1_pInt !< Increment at which calculation starts
character(len=1024), public, protected :: &
geometryFile = '', & !< parameter given for geometry file
loadCaseFile = '' !< parameter given for load case file
character(len=1024), private :: workingDirectory !< accessed by getSolverWorkingDirectoryName for compatibility reasons
public :: &
getSolverWorkingDirectoryName, &
getSolverJobName, &
DAMASK_interface_init
private :: &
storeWorkingDirectory, &
getGeometryFile, &
getLoadCaseFile, &
rectifyPath, &
makeRelativePath, &
getPathSep, &
IIO_stringValue, &
IIO_intValue, &
IIO_lc, &
IIO_stringPos
contains
!--------------------------------------------------------------------------------------------------
!> @brief initializes the solver by interpreting the command line arguments. Also writes
!! information on computation to screen
!--------------------------------------------------------------------------------------------------
subroutine DAMASK_interface_init(loadCaseParameterIn,geometryParameterIn)
use, intrinsic :: iso_fortran_env ! to get compiler_version and compiler_options (at least for gfortran 4.6 at the moment)
implicit none
character(len=1024), optional, intent(in) :: &
loadCaseParameterIn, & !< if using the f2py variant, the -l argument of DAMASK_spectral.exe
geometryParameterIn !< if using the f2py variant, the -g argument of DAMASK_spectral.exe
character(len=1024) :: &
commandLine, & !< command line call as string
loadCaseArg ='', & !< -l argument given to DAMASK_spectral.exe
geometryArg ='', & !< -g argument given to DAMASK_spectral.exe
workingDirArg ='', & !< -w argument given to DAMASK_spectral.exe
hostName, & !< name of machine on which DAMASK_spectral.exe is execute (might require export HOSTNAME)
userName, & !< name of user calling DAMASK_spectral.exe
tag
integer :: &
i, &
threadLevel, &
worldrank = 0
integer, allocatable, dimension(:) :: &
chunkPos
integer, dimension(8) :: &
dateAndTime ! type default integer
#ifdef PETSc
PetscErrorCode :: ierr
#endif
external :: &
quit,&
MPI_Comm_rank,&
PETScInitialize, &
MPI_Init_Thread, &
MPI_abort
!--------------------------------------------------------------------------------------------------
! PETSc Init
#ifdef PETSc
#ifdef _OPENMP
call MPI_Init_Thread(MPI_THREAD_FUNNELED,threadLevel,ierr);CHKERRQ(ierr) ! in case of OpenMP, don't rely on PETScInitialize doing MPI init
if (threadLevel<MPI_THREAD_FUNNELED) then
write(6,'(a)') 'MPI library does not support OpenMP'
call quit(1_pInt)
endif
#endif
call PetscInitialize(PETSC_NULL_CHARACTER,ierr) ! according to PETSc manual, that should be the first line in the code
CHKERRQ(ierr) ! this is a macro definition, it is case sensitive
open(6, encoding='UTF-8')
call MPI_Comm_rank(PETSC_COMM_WORLD,worldrank,ierr);CHKERRQ(ierr)
#endif
mainProcess: if (worldrank == 0) then
call date_and_time(values = dateAndTime)
write(6,'(/,a)') ' <<<+- DAMASK_spectral -+>>>'
write(6,'(/,a)') ' Version: '//DAMASKVERSION
write(6,'(a,2(i2.2,a),i4.4)') ' Date: ',dateAndTime(3),'/',&
dateAndTime(2),'/',&
dateAndTime(1)
write(6,'(a,2(i2.2,a),i2.2)') ' Time: ',dateAndTime(5),':',&
dateAndTime(6),':',&
dateAndTime(7)
write(6,'(/,a)') ' <<<+- DAMASK_interface init -+>>>'
#include "compilation_info.f90"
endif mainProcess
if ( present(loadcaseParameterIn) .and. present(geometryParameterIn)) then ! both mandatory parameters given in function call
geometryArg = geometryParameterIn
loadcaseArg = loadcaseParameterIn
commandLine = 'n/a'
else if ( .not.( present(loadcaseParameterIn) .and. present(geometryParameterIn))) then ! none parameters given in function call, trying to get them from command line
call get_command(commandLine)
chunkPos = IIO_stringPos(commandLine)
do i = 1, chunkPos(1)
tag = IIO_lc(IIO_stringValue(commandLine,chunkPos,i)) ! extract key
select case(tag)
case ('-h','--help')
mainProcess2: if (worldrank == 0) then
write(6,'(a)') ' #######################################################################'
write(6,'(a)') ' DAMASK_spectral:'
write(6,'(a)') ' The spectral method boundary value problem solver for'
write(6,'(a)') ' the Düsseldorf Advanced Material Simulation Kit'
write(6,'(a,/)')' #######################################################################'
write(6,'(a,/)')' Valid command line switches:'
write(6,'(a)') ' --geom (-g, --geometry)'
write(6,'(a)') ' --load (-l, --loadcase)'
write(6,'(a)') ' --workingdir (-w, --wd, --workingdirectory, -d, --directory)'
write(6,'(a)') ' --restart (-r, --rs)'
write(6,'(a)') ' --regrid (--rg)'
write(6,'(a)') ' --help (-h)'
write(6,'(/,a)')' -----------------------------------------------------------------------'
write(6,'(a)') ' Mandatory arguments:'
write(6,'(/,a)')' --geom PathToGeomFile/NameOfGeom.geom'
write(6,'(a)') ' Specifies the location of the geometry definition file,'
write(6,'(a)') ' if no extension is given, .geom will be appended.'
write(6,'(a)') ' "PathToGeomFile" will be the working directory if not specified'
write(6,'(a)') ' via --workingdir.'
write(6,'(a)') ' Make sure the file "material.config" exists in the working'
write(6,'(a)') ' directory.'
write(6,'(a)') ' For further configuration place "numerics.config"'
write(6,'(a)')' and "numerics.config" in that directory.'
write(6,'(/,a)')' --load PathToLoadFile/NameOfLoadFile.load'
write(6,'(a)') ' Specifies the location of the load case definition file,'
write(6,'(a)') ' if no extension is given, .load will be appended.'
write(6,'(/,a)')' -----------------------------------------------------------------------'
write(6,'(a)') ' Optional arguments:'
write(6,'(/,a)')' --workingdirectory PathToWorkingDirectory'
write(6,'(a)') ' Specifies the working directory and overwrites the default'
write(6,'(a)') ' "PathToGeomFile".'
write(6,'(a)') ' Make sure the file "material.config" exists in the working'
write(6,'(a)') ' directory.'
write(6,'(a)') ' For further configuration place "numerics.config"'
write(6,'(a)')' and "numerics.config" in that directory.'
write(6,'(/,a)')' --restart XX'
write(6,'(a)') ' Reads in total increment No. XX-1 and continues to'
write(6,'(a)') ' calculate total increment No. XX.'
write(6,'(a)') ' Appends to existing results file '
write(6,'(a)') ' "NameOfGeom_NameOfLoadFile.spectralOut".'
write(6,'(a)') ' Works only if the restart information for total increment'
write(6,'(a)') ' No. XX-1 is available in the working directory.'
write(6,'(/,a)')' --regrid XX'
write(6,'(a)') ' Reads in total increment No. XX-1 and continues to'
write(6,'(a)') ' calculate total increment No. XX.'
write(6,'(a)') ' Attention: Overwrites existing results file '
write(6,'(a)') ' "NameOfGeom_NameOfLoadFile.spectralOut".'
write(6,'(a)') ' Works only if the restart information for total increment'
write(6,'(a)') ' No. XX-1 is available in the working directory.'
write(6,'(/,a)')' -----------------------------------------------------------------------'
write(6,'(a)') ' Help:'
write(6,'(/,a)')' --help'
write(6,'(a,/)')' Prints this message and exits'
call quit(0_pInt) ! normal Termination
endif mainProcess2
case ('-l', '--load', '--loadcase')
loadcaseArg = IIO_stringValue(commandLine,chunkPos,i+1_pInt)
case ('-g', '--geom', '--geometry')
geometryArg = IIO_stringValue(commandLine,chunkPos,i+1_pInt)
case ('-w', '-d', '--wd', '--directory', '--workingdir', '--workingdirectory')
workingDirArg = IIO_stringValue(commandLine,chunkPos,i+1_pInt)
case ('-r', '--rs', '--restart')
spectralRestartInc = IIO_IntValue(commandLine,chunkPos,i+1_pInt)
appendToOutFile = .true.
case ('--rg', '--regrid')
spectralRestartInc = IIO_IntValue(commandLine,chunkPos,i+1_pInt)
appendToOutFile = .false.
end select
enddo
endif
if (len(trim(loadcaseArg)) == 0 .or. len(trim(geometryArg)) == 0) then
write(6,'(a)') ' Please specify geometry AND load case (-h for help)'
call quit(1_pInt)
endif
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workingDirectory = trim(storeWorkingDirectory(trim(workingDirArg),trim(geometryArg)))
geometryFile = getGeometryFile(geometryArg)
loadCaseFile = getLoadCaseFile(loadCaseArg)
call get_environment_variable('HOSTNAME',hostName)
call get_environment_variable('USER',userName)
mainProcess3: if (worldrank == 0) then
write(6,'(a,a)') ' Host name: ', trim(hostName)
write(6,'(a,a)') ' User name: ', trim(userName)
write(6,'(a,a)') ' Path separator: ', getPathSep()
write(6,'(a,a)') ' Command line call: ', trim(commandLine)
if (len(trim(workingDirArg))>0) &
write(6,'(a,a)') ' Working dir argument: ', trim(workingDirArg)
write(6,'(a,a)') ' Geometry argument: ', trim(geometryArg)
write(6,'(a,a)') ' Loadcase argument: ', trim(loadcaseArg)
write(6,'(a,a)') ' Working directory: ', trim(getSolverWorkingDirectoryName())
write(6,'(a,a)') ' Geometry file: ', trim(geometryFile)
write(6,'(a,a)') ' Loadcase file: ', trim(loadCaseFile)
write(6,'(a,a)') ' Solver job name: ', trim(getSolverJobName())
if (SpectralRestartInc > 1_pInt) &
write(6,'(a,i6.6)') ' Restart at increment: ', spectralRestartInc
write(6,'(a,l1,/)') ' Append to result file: ', appendToOutFile
endif mainProcess3
end subroutine DAMASK_interface_init
!--------------------------------------------------------------------------------------------------
!> @brief extract working directory from given argument or from location of geometry file,
!! possibly converting relative arguments to absolut path
!> @todo change working directory with call chdir(storeWorkingDirectory)?
!--------------------------------------------------------------------------------------------------
character(len=1024) function storeWorkingDirectory(workingDirectoryArg,geometryArg)
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use system_routines, only: &
isDirectory, &
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getCWD
implicit none
character(len=*), intent(in) :: workingDirectoryArg !< working directory argument
character(len=*), intent(in) :: geometryArg !< geometry argument
character(len=1024) :: cwd
character :: pathSep
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logical :: error
external :: quit
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pathSep = getPathSep()
wdGiven: if (len(workingDirectoryArg)>0) then
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absolutePath: if (workingDirectoryArg(1:1) == pathSep) then
storeWorkingDirectory = workingDirectoryArg
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else absolutePath
error = getCWD(cwd)
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if (error) call quit(1_pInt)
storeWorkingDirectory = trim(cwd)//pathSep//workingDirectoryArg
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endif absolutePath
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if (storeWorkingDirectory(len(trim(storeWorkingDirectory)):len(trim(storeWorkingDirectory))) /= pathSep) &
storeWorkingDirectory = trim(storeWorkingDirectory)//pathSep ! if path seperator is not given, append it
else wdGiven
if (geometryArg(1:1) == pathSep) then ! absolute path given as command line argument
storeWorkingDirectory = geometryArg(1:scan(geometryArg,pathSep,back=.true.))
else
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error = getCWD(cwd) ! relative path given as command line argument
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if (error) call quit(1_pInt)
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storeWorkingDirectory = trim(cwd)//pathSep//geometryArg(1:scan(geometryArg,pathSep,back=.true.))
endif
endif wdGiven
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storeWorkingDirectory = trim(rectifyPath(storeWorkingDirectory))
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if(.not. isDirectory(trim(storeWorkingDirectory))) then ! check if the directory exists
write(6,'(a20,a,a16)') ' working directory "',trim(storeWorkingDirectory),'" does not exist'
call quit(1_pInt)
endif
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end function storeWorkingDirectory
!--------------------------------------------------------------------------------------------------
!> @brief simply returns the private string workingDir
!--------------------------------------------------------------------------------------------------
character(len=1024) function getSolverWorkingDirectoryName()
implicit none
getSolverWorkingDirectoryName = workingDirectory
end function getSolverWorkingDirectoryName
!--------------------------------------------------------------------------------------------------
!> @brief solver job name (no extension) as combination of geometry and load case name
!--------------------------------------------------------------------------------------------------
character(len=1024) function getSolverJobName()
implicit none
integer :: posExt,posSep
character :: pathSep
character(len=1024) :: tempString
pathSep = getPathSep()
tempString = geometryFile
posExt = scan(tempString,'.',back=.true.)
posSep = scan(tempString,pathSep,back=.true.)
getSolverJobName = tempString(posSep+1:posExt-1)
tempString = loadCaseFile
posExt = scan(tempString,'.',back=.true.)
posSep = scan(tempString,pathSep,back=.true.)
getSolverJobName = trim(getSolverJobName)//'_'//tempString(posSep+1:posExt-1)
end function getSolverJobName
!--------------------------------------------------------------------------------------------------
!> @brief basename of geometry file with extension from command line arguments
!--------------------------------------------------------------------------------------------------
character(len=1024) function getGeometryFile(geometryParameter)
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use system_routines, only: &
getCWD
implicit none
character(len=1024), intent(in) :: &
geometryParameter
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character(len=1024) :: &
cwd
integer :: posExt, posSep
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logical :: error
character :: pathSep
external :: quit
getGeometryFile = geometryParameter
pathSep = getPathSep()
posExt = scan(getGeometryFile,'.',back=.true.)
posSep = scan(getGeometryFile,pathSep,back=.true.)
if (posExt <= posSep) getGeometryFile = trim(getGeometryFile)//('.geom') ! no extension present
if (scan(getGeometryFile,pathSep) /= 1) then ! relative path given as command line argument
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error = getcwd(cwd)
if (error) call quit(1_pInt)
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getGeometryFile = rectifyPath(trim(cwd)//pathSep//getGeometryFile)
else
getGeometryFile = rectifyPath(getGeometryFile)
endif
getGeometryFile = makeRelativePath(getSolverWorkingDirectoryName(), getGeometryFile)
end function getGeometryFile
!--------------------------------------------------------------------------------------------------
!> @brief relative path of loadcase from command line arguments
!--------------------------------------------------------------------------------------------------
character(len=1024) function getLoadCaseFile(loadCaseParameter)
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use system_routines, only: &
getCWD
implicit none
character(len=1024), intent(in) :: &
loadCaseParameter
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character(len=1024) :: &
cwd
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integer :: posExt, posSep
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logical :: error
character :: pathSep
external :: quit
getLoadCaseFile = loadcaseParameter
pathSep = getPathSep()
posExt = scan(getLoadCaseFile,'.',back=.true.)
posSep = scan(getLoadCaseFile,pathSep,back=.true.)
if (posExt <= posSep) getLoadCaseFile = trim(getLoadCaseFile)//('.load') ! no extension present
if (scan(getLoadCaseFile,pathSep) /= 1) then ! relative path given as command line argument
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error = getcwd(cwd)
if (error) call quit(1_pInt)
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getLoadCaseFile = rectifyPath(trim(cwd)//pathSep//getLoadCaseFile)
else
getLoadCaseFile = rectifyPath(getLoadCaseFile)
endif
getLoadCaseFile = makeRelativePath(getSolverWorkingDirectoryName(), getLoadCaseFile)
end function getLoadCaseFile
!--------------------------------------------------------------------------------------------------
!> @brief remove ../ and /./ from path
!--------------------------------------------------------------------------------------------------
function rectifyPath(path)
implicit none
character(len=*) :: path
character(len=len_trim(path)) :: rectifyPath
character :: pathSep
integer :: i,j,k,l ! no pInt
pathSep = getPathSep()
!--------------------------------------------------------------------------------------------------
! remove /./ from path
l = len_trim(path)
rectifyPath = path
do i = l,3,-1
if (rectifyPath(i-2:i) == pathSep//'.'//pathSep) &
rectifyPath(i-1:l) = rectifyPath(i+1:l)//' '
enddo
!--------------------------------------------------------------------------------------------------
! remove ../ and corresponding directory from rectifyPath
l = len_trim(rectifyPath)
i = index(rectifyPath(i:l),'..'//pathSep)
j = 0
do while (i > j)
j = scan(rectifyPath(1:i-2),pathSep,back=.true.)
rectifyPath(j+1:l) = rectifyPath(i+3:l)//repeat(' ',2+i-j)
if (rectifyPath(j+1:j+1) == pathSep) then !search for '//' that appear in case of XXX/../../XXX
k = len_trim(rectifyPath)
rectifyPath(j+1:k-1) = rectifyPath(j+2:k)
rectifyPath(k:k) = ' '
endif
i = j+index(rectifyPath(j+1:l),'..'//pathSep)
enddo
if(len_trim(rectifyPath) == 0) rectifyPath = pathSep
end function rectifyPath
!--------------------------------------------------------------------------------------------------
!> @brief relative path from absolute a to absolute b
!--------------------------------------------------------------------------------------------------
character(len=1024) function makeRelativePath(a,b)
implicit none
character (len=*) :: a,b
character :: pathSep
integer :: i,posLastCommonSlash,remainingSlashes !no pInt
pathSep = getPathSep()
posLastCommonSlash = 0
remainingSlashes = 0
do i = 1, min(1024,len_trim(a),len_trim(b))
if (a(i:i) /= b(i:i)) exit
if (a(i:i) == pathSep) posLastCommonSlash = i
enddo
do i = posLastCommonSlash+1,len_trim(a)
if (a(i:i) == pathSep) remainingSlashes = remainingSlashes + 1
enddo
makeRelativePath = repeat('..'//pathSep,remainingSlashes)//b(posLastCommonSlash+1:len_trim(b))
end function makeRelativePath
!--------------------------------------------------------------------------------------------------
!> @brief counting / and \ in $PATH System variable the character occuring more often is assumed
! to be the path separator
!--------------------------------------------------------------------------------------------------
character function getPathSep()
implicit none
character(len=2048) :: &
path
integer(pInt) :: &
backslash = 0_pInt, &
slash = 0_pInt
integer :: i
call get_environment_variable('PATH',path)
do i=1, len(trim(path))
if (path(i:i)=='/') slash = slash + 1_pInt
if (path(i:i)=='\') backslash = backslash + 1_pInt
enddo
if (backslash>slash) then
getPathSep = '\'
else
getPathSep = '/'
endif
end function getPathSep
!--------------------------------------------------------------------------------------------------
!> @brief taken from IO, check IO_stringValue for documentation
!--------------------------------------------------------------------------------------------------
pure function IIO_stringValue(string,chunkPos,myChunk)
implicit none
integer(pInt), dimension(:), intent(in) :: chunkPos !< positions of start and end of each tag/chunk in given string
integer(pInt), intent(in) :: myChunk !< position number of desired chunk
character(len=1+chunkPos(myChunk*2+1)-chunkPos(myChunk*2)) :: IIO_stringValue
character(len=*), intent(in) :: string !< raw input with known start and end of each chunk
valuePresent: if (myChunk > chunkPos(1) .or. myChunk < 1_pInt) then
IIO_stringValue = ''
else valuePresent
IIO_stringValue = string(chunkPos(myChunk*2):chunkPos(myChunk*2+1))
endif valuePresent
end function IIO_stringValue
!--------------------------------------------------------------------------------------------------
!> @brief taken from IO, check IO_intValue for documentation
!--------------------------------------------------------------------------------------------------
integer(pInt) pure function IIO_intValue(string,chunkPos,myChunk)
implicit none
character(len=*), intent(in) :: string !< raw input with known start and end of each chunk
integer(pInt), intent(in) :: myChunk !< position number of desired sub string
integer(pInt), dimension(:), intent(in) :: chunkPos !< positions of start and end of each tag/chunk in given string
valuePresent: if (myChunk > chunkPos(1) .or. myChunk < 1_pInt) then
IIO_intValue = 0_pInt
else valuePresent
read(UNIT=string(chunkPos(myChunk*2):chunkPos(myChunk*2+1)),ERR=100,FMT=*) IIO_intValue
endif valuePresent
return
100 IIO_intValue = huge(1_pInt)
end function IIO_intValue
!--------------------------------------------------------------------------------------------------
!> @brief taken from IO, check IO_lc for documentation
!--------------------------------------------------------------------------------------------------
pure function IIO_lc(string)
implicit none
character(len=*), intent(in) :: string !< string to convert
character(len=len(string)) :: IIO_lc
character(26), parameter :: LOWER = 'abcdefghijklmnopqrstuvwxyz'
character(26), parameter :: UPPER = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
integer :: i,n ! no pInt (len returns default integer)
IIO_lc = string
do i=1,len(string)
n = index(UPPER,IIO_lc(i:i))
if (n/=0) IIO_lc(i:i) = LOWER(n:n)
enddo
end function IIO_lc
!--------------------------------------------------------------------------------------------------
!> @brief taken from IO, check IO_stringPos for documentation
!--------------------------------------------------------------------------------------------------
pure function IIO_stringPos(string)
implicit none
integer(pInt), dimension(:), allocatable :: IIO_stringPos
character(len=*), intent(in) :: string !< string in which chunks are searched for
character(len=*), parameter :: SEP=achar(44)//achar(32)//achar(9)//achar(10)//achar(13) ! comma and whitespaces
integer :: left, right ! no pInt (verify and scan return default integer)
allocate(IIO_stringPos(1), source=0_pInt)
right = 0
do while (verify(string(right+1:),SEP)>0)
left = right + verify(string(right+1:),SEP)
right = left + scan(string(left:),SEP) - 2
if ( string(left:left) == '#' ) exit
IIO_stringPos = [IIO_stringPos,int(left, pInt), int(right, pInt)]
IIO_stringPos(1) = IIO_stringPos(1)+1_pInt
enddo
end function IIO_stringPos
end module