#!/usr/bin/perl -w
use strict;
use GRID::Machine;
my $host = $ENV{GRID_REMOTE_MACHINE};
my $machine = GRID::Machine->new( host => $host );
my ($N, $np, $pi) = (1000, 4, 0);
for (0..$np-1) {
$machine->fork( q{
my ($id, $N, $np) = @_;
my $sum = 0;
for (my $i = $id; $i < $N; $i += $np) {
my $x = ($i + 0.5) / $N;
$sum += 4 / (1 + $x * $x);
}
$sum /= $N;
},
args => [ $_, $N, $np ],
);
}
$pi += $machine->waitall()->result for 1..$np;
print "pi = $pi\n";