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ilm_mex.m
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ilm_mex.m
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function [] = ilm_mex(option, m_file, src, varargin)
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%% Format input data %%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
if(strcmp('../', src(1:3)))
[pathstr, ~, ~] = fileparts(pwd);
src = [pathstr, filesep, src(4:end)];
else
[pathstr, ~, ~] = fileparts(src);
end
nVarargs = length(varargin);
for k = 1:nVarargs
varargin{k} = strcat(src, filesep, char(varargin{k}));
end
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%% set cuda path %%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
CUDA_PATH = getenv('CUDA_PATH');
% CUDA_PATH = '';
if(isempty(CUDA_PATH))
if(ispc)
CUDA_PATH = 'C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v10.0';
elseif(ismac)
CUDA_PATH = '/Developer/NVIDIA/CUDA-10.0';
else
CUDA_PATH = '/usr/local/cuda-10.0';
end
end
CUDA_PATH = ilm_replace_filesep(CUDA_PATH);
%%%%%%%%%%%%%%%%%%%% get cuda version %%%%%%%%%%%%%%%%%%%%%%%
idx = strfind(CUDA_PATH, filesep);
CUDA_VERSION = CUDA_PATH((idx(end)+1):end);
CUDA_VERSION = CUDA_VERSION(~isletter(CUDA_VERSION));
CUDA_VERSION = erase(CUDA_VERSION, {'-', '_'});
% CUDA_VERSION = '11.8';
if isempty(CUDA_VERSION)
CUDA_VERSION_PATH = [CUDA_PATH, filesep,'version.txt'];
FID = fopen(CUDA_VERSION_PATH);
data = textscan(FID,'%s');
fclose(FID);
stringData = string(data{:});
stringData = strsplit(stringData{3}, '.');
CUDA_VERSION = [stringData{1}, '.', stringData{2}];
end
if(~exist(CUDA_PATH, 'dir'))
disp('Error - Cuda path not found')
end
CUDA_BIN_PATH = [CUDA_PATH, filesep, 'bin'];
CUDA_INC_PATH = [CUDA_PATH, filesep, 'include'];
if(ispc)
CUDA_LIB_PATH = [CUDA_PATH, filesep, 'lib', filesep, 'x64'];
elseif(ismac)
CUDA_LIB_PATH = [CUDA_PATH, filesep, 'lib64'];
else
CUDA_LIB_PATH = [CUDA_PATH, filesep, 'lib64'];
end
CUDA_LIBS = '-lcudart -lcufft -lcublas';
%%%%%%%%%%%%%%% set NVCC compiler location %%%%%%%%%%%%%%%%%%
setenv('CUDA_ROOT', CUDA_PATH);
setenv('CUDA_PATH', CUDA_PATH);
setenv('CUDA_BIN_PATH', CUDA_BIN_PATH);
setenv('CUDA_LIB_PATH', CUDA_LIB_PATH);
setenv('CUDA_NVVM_PATH', [CUDA_PATH, filesep, 'nvvm']);
setenv('MW_NVCC_PATH', CUDA_BIN_PATH);
%%%%%%%%%%%%%%%%%%% set card architecture %%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%% https://developer.nvidia.com/cuda-gpus %%%%%%%%%%
% https://arnon.dk/matching-sm-architectures-arch-and-gencode-for-various-nvidia-cards/
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
CUDA_VERSION_D = str2double(CUDA_VERSION);
CARD_30="-gencode=arch=compute_30,code=sm_30";
CARD_35="-gencode=arch=compute_35,code=\"sm_35,compute_35\"";
CARD_50="-gencode=arch=compute_50,code=\"sm_50,compute_50\"";
CARD_60="-gencode=arch=compute_60,code=\"sm_60,compute_60\"";
CARD_70="-gencode=arch=compute_70,code=\"sm_70,compute_70\"";
CARD_75="-gencode=arch=compute_75,code=\"sm_75,compute_75\"";
CARD_86="-gencode=arch=compute_86,code=\"sm_86,compute_86\"";
CARD_87="-gencode=arch=compute_87,code=\"sm_87,compute_87\"";
CARD_MULT = join([CARD_35, CARD_50, CARD_60, CARD_70, CARD_75], ' ');
if CUDA_VERSION_D >= 11.0
CARD_MULT = join([CARD_MULT CARD_86, CARD_87], ' ');
end
% CARD_MULT = CARD_75;
if 0
% Get compute capabilities of all available devices
gpu_comp_cap = zeros(1,gpuDeviceCount);
ARCH_FLAGS = "";
for i_dev = 1:gpuDeviceCount
gpu_comp_cap(i_dev) = str2double(replace(gpuDevice(i_dev).ComputeCapability,'.',''));
end
% avoid duplicate compiler settings
[~, id] = unique(gpu_comp_cap,'stable');
% Add architecture flags for all necessary compute capabilities
for i_dev = 1:numel(id)
gpu_comp_cap_str = num2str(gpu_comp_cap(id(i_dev)));
if gpu_comp_cap(id(i_dev)) < 35
ARCH_FLAGS = join([ARCH_FLAGS, ['-gencode=arch=compute_' gpu_comp_cap_str ',code=sm_' gpu_comp_cap_str]]);
else
if gpu_comp_cap(id(i_dev)) > 75 && CUDA_VERSION_D < 11.0
warning([gpuDevice(id(i_dev)).Name ' has compute capability ' gpuDevice(id(i_dev)).ComputeCapability ' but the Cuda version ' CUDA_VERSION ' does not support it. Attempting to compile for compute capability 7.5.']);
gpu_comp_cap_str = '75';
end
ARCH_FLAGS = join([ARCH_FLAGS, ['-gencode=arch=compute_' gpu_comp_cap_str ',code=\"sm_' gpu_comp_cap_str ',compute_' gpu_comp_cap_str '\"']]);
end
end
else
ARCH_FLAGS = CARD_MULT;
end
%%%%%%%%%%%%%%% read template mex_cuda file %%%%%%%%%%%%%%%%%
if(ispc)
mex_cuda_filename = 'mex_CUDA_win64.xml';
elseif(ismac)
mex_cuda_filename = 'mex_CUDA_maci64.xml';
else
mex_cuda_filename = 'mex_CUDA_glnxa64.xml';
end
%%%%%%%%%%%%%%%%%% read mex_cuda template %%%%%%%%%%%%%%%%%%%%
mex_cuda_file_in = [pathstr, filesep, 'matlab_functions', filesep, mex_cuda_filename];
mex_cuda = fileread(mex_cuda_file_in);
%%%%%%%%%%%%% replace string in mex_cuda file %%%%%%%%%%%%%%%%
mex_cuda = strrep(mex_cuda, 'XXX_CUDA_VER', CUDA_VERSION);
mex_cuda = strrep(mex_cuda, 'XXX_ARCH_FLAGS', ARCH_FLAGS);
%%%%%%%%%%%%%%%%%%% save mex_cuda file %%%%%%%%%%%%%%%%%%%%%%
mex_cuda_file_out = [pwd, filesep, mex_cuda_filename];
fid = fopen(mex_cuda_file_out, 'w+');
fwrite(fid, mex_cuda);
fclose(fid);
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%% set library path %%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
if(ispc)
% OS = Windows 10
FFTW_LIB_PATH = src;
FFTW_LIBS = '-lfftw3f-3 -lfftw3-3';
BLAS_LIB_PATH = src;
BLAS_LIBS = '-lblas';
LAPACK_LIB_PATH = src;
LAPACK_LIBS = '-llapack';
elseif(ismac)
% OS = /usr/bin/ld:
FFTW_LIB_PATH = [];
FFTW_LIBS = '-lfftw3f -lfftw3 -lfftw3f_threads -lfftw3_threads';
BLAS_LIB_PATH = [];
BLAS_LIBS = '-lblas';
LAPACK_LIB_PATH = [];
LAPACK_LIBS = '-llapack';
else
% OS = scientific linux
%FFTW_LIB = '-/opt/local/lib';
%FFTW_LIBS = '-lfftw3f -lfftw3 -lfftw3f_threads -lfftw3_threads';
%LAPACK_LIB = '/opt/local/lib';
%BLAS_LAPACK_LIBS = '-lblas -llapack';
% OS = ubuntu
FFTW_LIB_PATH = '/usr/lib/x86_64-linux-gnu';
FFTW_LIBS = '-lfftw3f -lfftw3 -lfftw3f_threads -lfftw3_threads';
BLAS_LIB_PATH = '/usr/lib/x86_64-linux-gnu/blas';
BLAS_LIBS = '-lblas';
LAPACK_LIB_PATH = '/usr/lib/x86_64-linux-gnu/lapack';
LAPACK_LIBS = '-llapack';
end
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
BLAS_LIBS = '-lmwblas';
LAPACK_LIBS = '-lmwlapack ';
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
if(~exist(FFTW_LIB_PATH, 'dir'))
disp('FFTW path not found')
end
if(~exist(BLAS_LIB_PATH, 'dir'))
disp('Blas path not found')
end
if(~exist(LAPACK_LIB_PATH, 'dir'))
disp('Lapack path not found')
end
% if(~ispc && ~ismac)
% mex_cuda_filename = 'nvcc_g++.xml';
% end
INCLUDE = ['-I"', CUDA_INC_PATH, '" -I"', src, '"'];
LIBRARY = ['-L"', CUDA_LIB_PATH, '" ', CUDA_LIBS, ' -L"', FFTW_LIB_PATH, '" ', FFTW_LIBS, ' -L"', BLAS_LIB_PATH, '" ', BLAS_LIBS, ' -L"', LAPACK_LIB_PATH, '" ', LAPACK_LIBS];
mex_comand = ['mex -R2017b -f ', mex_cuda_filename, ' -v'];
if (strcmpi(option, 'debug'))
mex_comand = [mex_comand, ' -g'];
end
OUTDIR = ['-outdir ..', filesep, 'mex_bin'];
textcommands = strjoin({mex_comand, OUTDIR, INCLUDE, LIBRARY, m_file, strjoin(varargin)});
disp(textcommands);
eval(textcommands);
delete(mex_cuda_file_out);
end