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IOBenchmarkContiguous.f90
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IOBenchmarkContiguous.f90
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! ____ _ __ ____ __ ____
! / __/___(_) / ___ ____/ __ \__ _____ ___ / /_ / _/__ ____
! _\ \/ __/ / _ \/ -_) __/ /_/ / // / -_|_-</ __/ _/ // _ \/ __/
! /___/\__/_/_.__/\__/_/ \___\_\_,_/\__/___/\__/ /___/_//_/\__(_)
!
!
! Copyright 2010 SciberQuest Inc.
!
! No permission is granted to reproduce this software.
!
! This is experimental software and is provided ‘‘as is’’, with no
! warranties of any kind whatsoever, no support, no promise of updates,
! or printed documentation.
!==============================================================================
! H3D IO contiguous data benchmark
!******************************************************************************
program main
use IOBenchmarkCommandLineModule
use RunConfigModule
use CartesianDecompModule
use MPIFileModule
use LogFileModule
use BoxArrayModule
use mpi
implicit none
type(RunConfig),pointer :: config => null() !
type(String),pointer :: logStream => null() !
type(MPIFile),pointer :: partFile => null() ! file for data output
type(LogFile),pointer :: runLog => null() ! log file for timings
integer masterRank
real*8, pointer, dimension(:) :: X => null() ! local particle data
! real*8, pointer, dimension(:) :: Y => null()
! real*8, pointer, dimension(:) :: Z => null()
! real*8, pointer, dimension(:) :: Vx => null()
! real*8, pointer, dimension(:) :: Vy => null()
! real*8, pointer, dimension(:) :: Vz => null()
integer*8 np
! integer*8 GetNumberOfLocalParticles
integer worldRank,worldSize
character(len=512 ) workingDir ! path to place run results in (passed on command tail)
character(len=512 ) configFileName ! file containing runtime configuration (passed on command tail)
character(len=1024) logFileName ! file where timing result are written
integer iErr
! start up
call MPI_Init(iErr)
call MPI_Comm_rank(MPI_COMM_WORLD, worldRank, iErr)
call MPI_Comm_size(MPI_COMM_WORLD, worldSize, iErr)
masterRank=0
call ProcessCommandLine( &
worldRank, &
configFileName, &
logFilename, &
workingDir, &
iErr)
if (iErr.ne.0) stop
! load run configuration from file
config => NewRunConfig()
call RunConfigLoad(config,configFileName,iErr)
if (iErr.ne.0) stop
! get the number of bytes assigned to this process.
np=RunConfigGetPerProcessDataSize(config)
np=np/8;
! ! compute the number of particles owned by this process.
! np=GetNumberOfLocalParticles( &
! worldRank, &
! worldSize, &
! RunConfigGetNX(config))
! create the log file, and log run header and parameters
runLog => NewLogFile()
call LogFileOpen( &
runLog, &
logFileName, &
MPI_COMM_WORLD, &
iErr)
if (iErr.ne.0) stop
logStream => NewString()
call RunConfigStream(config,logStream)
call StringAppend(logStream,StringNameValue("NPartLocal",np))
call LogFileWriteHeader(runLog,"H3D-IO-Benchmark-Contiguous",iErr)
call LogFileWrite(runLog,logStream,iErr)
call LogFileMarkEventStart(runLog,iErr)
call DeleteString(logStream)
! open the gda file
partFile => NewMPIFileContiguous( &
MPI_COMM_WORLD, &
masterRank, &
trim(workingDir)//"/part_1.h3dp", &
ior(MPI_MODE_WRONLY,MPI_MODE_CREATE), &
RunConfigGetCommSplitOp(config), &
RunConfigGetNComms(config), &
RunConfigGetFileSplitOp(config), &
RunConfigGetGateOp(config), &
RunConfigGetOpenGateSize(config), &
RunConfigGetWriteGateSize(config), &
RunConfigGetCloseGateSize(config), &
RunConfigGetAPI(config), &
RunConfigGetFileHints(config), &
runLog, &
iErr)
if (iErr.ne.0) stop
if (worldRank.ne.masterRank) then
! allocate and initialize the local array
allocate(X(np))
! allocate(Y(np))
! allocate(Z(np))
! allocate(Vx(np))
! allocate(Vy(np))
! allocate(Vz(np))
select case (RunConfigGetCommSplitOp(config))
case (0,1)
! 0 -comm self
! 1 - comm world
! color by proc id
call GenerateParticleData( &
real(worldRank,8), &
np, &
X)!, &
!Y, &
!Z, &
!Vx, &
!Vy, &
!Vz)
case (2,3)
! 2 - slab split
! 3 - stripe
! color by comm id
call GenerateParticleData( &
real(MPIFileGetCommId(partFile),8), &
np, &
X)!, &
!Y, &
!Z, &
!Vx, &
!Vy, &
!Vz)
end select
end if
! write the file
call MPIFileSeekF(partFile,np,MPI_REAL8,iErr)
if (iErr.ne.0) stop
call MPIFileWrite(partFile,X,iErr)
if (iErr.ne.0) stop
! call MPIFileSeekF(partFile,np,MPI_REAL8,iErr)
! if (iErr.ne.0) stop
! call MPIFileWrite(partFile,Y,iErr)
! if (iErr.ne.0) stop
!
! call MPIFileSeekF(partFile,np,MPI_REAL8,iErr)
! if (iErr.ne.0) stop
! call MPIFileWrite(partFile,Z,iErr)
! if (iErr.ne.0) stop
!
! call MPIFileSeekF(partFile,np,MPI_REAL8,iErr)
! if (iErr.ne.0) stop
! call MPIFileWrite(partFile,Vx,iErr)
! if (iErr.ne.0) stop
!
! call MPIFileSeekF(partFile,np,MPI_REAL8,iErr)
! if (iErr.ne.0) stop
! call MPIFileWrite(partFile,Vy,iErr)
! if (iErr.ne.0) stop
!
! call MPIFileSeekF(partFile,np,MPI_REAL8,iErr)
! if (iErr.ne.0) stop
! call MPIFileWrite(partFile,Vz,iErr)
! if (iErr.ne.0) stop
! clean up
! call MPIFilePrintSelf(partFile,0,iErr)
call MPIFileClose(partFile,iErr)
call DeleteMPIFile(partFile)
if (worldRank.ne.masterRank) then
deallocate(X)
! deallocate(Y)
! deallocate(Z)
! deallocate(Vx)
! deallocate(Vy)
! deallocate(Vz)
end if
call DeleteRunConfig(config)
! log elapsed time
call LogFileMarkEventEnd(runLog,iErr)
call LogFileWriteEvent(runLog,"Total_run_time",iErr)
call LogFileClose(runLog,iErr)
call DeleteLogFile(runLog)
call MPI_Finalize(iErr)
return
end program
!----------------------------------------------------------------------------
function GetNumberOfLocalParticles(worldRank,worldSize,n) result(nLocal)
implicit none
integer n(3)
integer*8 npX(3)
integer*8 nLocal,nLarge,nTotal
integer worldRank,worldSize
npX(1)=n(1)
npX(2)=n(2)
npX(3)=n(3)
nTotal=npX(1)*npX(2)*npX(3)
nLocal=nTotal/worldSize
nLarge=mod(nTotal,worldSize)
if (worldRank.lt.nLarge) then
nLocal=nLocal+1
end if
if (nLocal.lt.1) then
write(0,*)"Error: No particles on ",worldRank
stop
endif
end function
!------------------------------------------------------------------------------
subroutine init_random_seed()
INTEGER :: i, n, clock
INTEGER, DIMENSION(:), ALLOCATABLE :: seed
CALL RANDOM_SEED(size = n)
ALLOCATE(seed(n))
CALL SYSTEM_CLOCK(COUNT=clock)
seed = clock + 37 * (/ (i - 1, i = 1, n) /)
CALL RANDOM_SEED(PUT = seed)
DEALLOCATE(seed)
end subroutine
!------------------------------------------------------------------------------
subroutine GenerateParticleData(c,n,X)!,Y,Z,Vx,Vy,Vz)
implicit none
integer*8 n
real*8 c
real*8 X(n)!,Y(n),Z(n)
! real*8 Vx(n),Vy(n),Vz(n)
integer i
call init_random_seed()
call random_number(X)
! call random_number(Y)
! call random_number(Z)
! call random_number(Vx)
! call random_number(Vy)
! call random_number(Vz)
do i=1,n
! center a unit ball on x=c
X(i)=X(i)-0.5+c
! center others on origin
! Y(i)=Y(i)-0.5
! Z(i)=Z(i)-0.5
! Vx(i)=Vx(i)-0.5
! Vy(i)=Vy(i)-0.5
! Vz(i)=Vz(i)-0.5
! write(0,*)i,',',X(i),',',Y(i),',',Z(i),',',Vx(i),',',Vy(i),',',Vz(i)
enddo
return
end subroutine