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Utility to distribute jobs, used by masterparallel

time-shift
Marco Ratto 2010-02-10 18:42:15 +01:00
parent 184ca19317
commit f9bc14f02c
1 changed files with 37 additions and 0 deletions
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function [nCPU, totCPU, nBlockPerCPU] = distributeJobs(Parallel, fBlock, nBlock)
% Determine the total number of available CPUs, and the number of threads to run on each CPU
% Copyright (C) 2009 Dynare Team
%
% This file is part of Dynare.
%
% Dynare is free software: you can redistribute it and/or modify
% it under the terms of the GNU General Public License as published by
% the Free Software Foundation, either version 3 of the License, or
% (at your option) any later version.
%
% Dynare is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
% GNU General Public License for more details.
%
% You should have received a copy of the GNU General Public License
% along with Dynare. If not, see <http://www.gnu.org/licenses/>.
totCPU=0;
for j=1:length(Parallel),
nCPU(j)=length(Parallel(j).NumCPU);
totCPU=totCPU+nCPU(j);
end
nCPU=cumsum(nCPU);
offset0 = fBlock-1;
if (nBlock-offset0)>totCPU,
diff = mod((nBlock-offset0),totCPU);
nBlockPerCPU(1:diff) = ceil((nBlock-offset0)/totCPU);
nBlockPerCPU(diff+1:totCPU) = floor((nBlock-offset0)/totCPU);
else
nBlockPerCPU(1:nBlock-offset0)=1;
totCPU = nBlock-offset0;
end