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#!/usr/bin/perl -w
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use strict;
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use POSIX ":sys_wait_h";
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#my @free_nodes = ("localhots","localhots","localhots","localhots");
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my @free_nodes = ("localhots");
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my %busy_nodes = ();
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my $mass_min = 1000;
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my $mass_max = 2000;
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my $mass_bins = 50;
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my $lambda_min = 1000;
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my $lambda_max = 2000;
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my $lambda_bins = 50;
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my $f = 1.;
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my $fp = 1.;
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my $fs = 1.;
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for my $m (0..$mass_bins) {
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for my $l (0..$lambda_bins) {
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while( $#free_nodes < 0 ){
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foreach my $pid (keys %busy_nodes){
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if( waitpid($pid,WNOHANG)>0 ){
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my $node = delete $busy_nodes{$pid};
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push @free_nodes, $node;
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}
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}
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sleep(1);
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}
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my $mass = $m*($mass_max -$mass_min )/$mass_bins + $mass_min;
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my $lambda = $l*($lambda_max-$lambda_min)/$lambda_bins + $lambda_min;
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my $host = pop @free_nodes;
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my $pid = fork();
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die "Can't fork process for m=$m l=$l fs=$fs" unless( defined($pid) );
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$busy_nodes{$pid} = $host;
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if( $pid==0 ){
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exec "/raid/raid3/cms/kkotov/Pythia/qStarCI $lambda $mass $f $fp $fs > /raid/raid3/cms/kkotov/Pythia/xsecCI/$lambda\_$mass\_$fs.txt 2>&1";
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}
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}
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}
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