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# Copyright (C) 2006, 2007 Michael Creel <michael.creel@uab.es>
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# under the terms of the GNU General Public License.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; If not, see <http://www.gnu.org/licenses/>.
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# kernel_density_nodes: for internal use by kernel_density - does calculations on nodes
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function z = kernel_density_nodes(eval_points, data, do_cv, kernel, points_per_node, nslaves, debug)
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[info, myrank] = MPI_Comm_rank(NEWORLD);
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else myrank = 0; # if not parallel then do all on master node
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if myrank == 0 # Do this if I'm master
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startblock = nslaves*points_per_node + 1;
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endblock = rows(eval_points);
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else # this is for the slaves
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startblock = myrank*points_per_node - points_per_node + 1;
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endblock = myrank*points_per_node;
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# the block of eval_points this node does
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myeval = eval_points(startblock:endblock,:);
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W = __kernel_weights(data, myeval, kernel);
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W = W - diag(diag(W));
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printf("z on node %d: \n", myrank);
added
removed
inst/kernel_density_nodes.m
