! //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// ! ! ! Maintainers : support@fluidnumerics.com ! Official Repository : https://github.com/FluidNumerics/self/ ! ! Copyright © 2024 Fluid Numerics LLC ! ! Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: ! ! 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. ! ! 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in ! the documentation and/or other materials provided with the distribution. ! ! 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from ! this software without specific prior written permission. ! ! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ! LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ! HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ! LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ! THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF ! THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ! ! //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// ! module SELF_Scalar_1D use SELF_Constants use SELF_Scalar_1D_t use SELF_GPU use SELF_GPUBLAS use SELF_GPUInterfaces use iso_c_binding implicit none ! ---------------------- Scalars ---------------------- ! type,extends(Scalar1D_t),public :: Scalar1D character(3) :: backend = "gpu" type(c_ptr) :: blas_handle type(c_ptr) :: interior_gpu type(c_ptr) :: boundary_gpu type(c_ptr) :: extBoundary_gpu type(c_ptr) :: avgBoundary_gpu type(c_ptr) :: boundarynormal_gpu contains procedure,public :: Init => Init_Scalar1D procedure,public :: Free => Free_Scalar1D procedure,public :: UpdateHost => UpdateHost_Scalar1D procedure,public :: UpdateDevice => UpdateDevice_Scalar1D procedure,public :: AverageSides => AverageSides_Scalar1D procedure,public :: BoundaryInterp => BoundaryInterp_Scalar1D generic,public :: GridInterp => GridInterp_Scalar1D procedure,private :: GridInterp_Scalar1D generic,public :: Derivative => Derivative_Scalar1D procedure,private :: Derivative_Scalar1D endtype Scalar1D contains ! -- Scalar1D -- ! subroutine Init_Scalar1D(this,interp,nVar,nElem) implicit none class(Scalar1D),intent(out) :: this type(Lagrange),intent(in),target :: interp integer,intent(in) :: nVar integer,intent(in) :: nElem if(.not. GPUAvailable()) then print*,__FILE__,':',__LINE__,' : Error : Attempt to use GPU extension, but GPU is not available.' stop 1 endif this%interp => interp this%nVar = nVar this%nElem = nElem this%N = interp%N this%M = interp%M allocate(this%interior(1:interp%N+1,1:nelem,1:nvar), & this%boundary(1:2,1:nelem,1:nvar), & this%boundarynormal(1:2,1:nelem,1:nvar), & this%extBoundary(1:2,1:nelem,1:nvar), & this%avgBoundary(1:2,1:nelem,1:nvar)) this%interior = 0.0_prec this%boundary = 0.0_prec this%boundarynormal = 0.0_prec this%extBoundary = 0.0_prec this%avgBoundary = 0.0_prec allocate(this%meta(1:nVar)) allocate(this%eqn(1:nVar)) call gpuCheck(hipMalloc(this%interior_gpu,sizeof(this%interior))) call gpuCheck(hipMalloc(this%boundary_gpu,sizeof(this%boundary))) call gpuCheck(hipMalloc(this%boundarynormal_gpu,sizeof(this%boundarynormal))) call gpuCheck(hipMalloc(this%extBoundary_gpu,sizeof(this%extBoundary))) call gpuCheck(hipMalloc(this%avgBoundary_gpu,sizeof(this%avgBoundary))) call this%UpdateDevice() call hipblasCheck(hipblasCreate(this%blas_handle)) endsubroutine Init_Scalar1D subroutine Free_Scalar1D(this) implicit none class(Scalar1D),intent(inout) :: this this%interp => null() deallocate(this%interior) deallocate(this%boundary) deallocate(this%extBoundary) deallocate(this%meta) deallocate(this%eqn) call gpuCheck(hipFree(this%interior_gpu)) call gpuCheck(hipFree(this%boundary_gpu)) call gpuCheck(hipFree(this%boundarynormal_gpu)) call gpuCheck(hipFree(this%extBoundary_gpu)) call gpuCheck(hipFree(this%avgBoundary_gpu)) call hipblasCheck(hipblasDestroy(this%blas_handle)) endsubroutine Free_Scalar1D subroutine UpdateHost_Scalar1D(this) implicit none class(Scalar1D),intent(inout) :: this call gpuCheck(hipMemcpy(c_loc(this%interior),this%interior_gpu,sizeof(this%interior),hipMemcpyDeviceToHost)) call gpuCheck(hipMemcpy(c_loc(this%boundary),this%boundary_gpu,sizeof(this%boundary),hipMemcpyDeviceToHost)) call gpuCheck(hipMemcpy(c_loc(this%boundarynormal),this%boundarynormal_gpu,sizeof(this%boundarynormal),hipMemcpyDeviceToHost)) call gpuCheck(hipMemcpy(c_loc(this%extboundary),this%extboundary_gpu,sizeof(this%extboundary),hipMemcpyDeviceToHost)) call gpuCheck(hipMemcpy(c_loc(this%avgboundary),this%avgboundary_gpu,sizeof(this%boundary),hipMemcpyDeviceToHost)) endsubroutine UpdateHost_Scalar1D subroutine UpdateDevice_Scalar1D(this) implicit none class(Scalar1D),intent(inout) :: this call gpuCheck(hipMemcpy(this%interior_gpu,c_loc(this%interior),sizeof(this%interior),hipMemcpyHostToDevice)) call gpuCheck(hipMemcpy(this%boundary_gpu,c_loc(this%boundary),sizeof(this%boundary),hipMemcpyHostToDevice)) call gpuCheck(hipMemcpy(this%boundarynormal_gpu,c_loc(this%boundarynormal),sizeof(this%boundarynormal),hipMemcpyHostToDevice)) call gpuCheck(hipMemcpy(this%extboundary_gpu,c_loc(this%extboundary),sizeof(this%extboundary),hipMemcpyHostToDevice)) call gpuCheck(hipMemcpy(this%avgboundary_gpu,c_loc(this%avgboundary),sizeof(this%boundary),hipMemcpyHostToDevice)) endsubroutine UpdateDevice_Scalar1D subroutine AverageSides_Scalar1D(this) implicit none class(Scalar1D),intent(inout) :: this call Average_gpu(this%avgBoundary_gpu,this%boundary_gpu,this%extBoundary_gpu,size(this%avgBoundary)) endsubroutine AverageSides_Scalar1D subroutine BoundaryInterp_Scalar1D(this) implicit none class(Scalar1D),intent(inout) :: this call self_blas_matrixop_1d(this%interp%bMatrix_gpu, & this%interior_gpu, & this%boundary_gpu, & 2,this%N+1, & this%nvar*this%nelem,this%blas_handle) endsubroutine BoundaryInterp_Scalar1D subroutine GridInterp_Scalar1D(this,f) implicit none class(Scalar1D),intent(in) :: this type(c_ptr),intent(inout) :: f call self_blas_matrixop_1d(this%interp%iMatrix_gpu, & this%interior_gpu, & f,this%M+1,this%N+1, & this%nvar*this%nelem,this%blas_handle) endsubroutine GridInterp_Scalar1D subroutine Derivative_Scalar1D(this,df) implicit none class(Scalar1D),intent(in) :: this type(c_ptr),intent(inout) :: df call self_blas_matrixop_1d(this%interp%dMatrix_gpu, & this%interior_gpu, & df,this%N+1,this%N+1, & this%nvar*this%nelem,this%blas_handle) endsubroutine Derivative_Scalar1D endmodule SELF_Scalar_1D