#!/usr/bin/env perl
use strict;
use warnings;
use utf8;

my ($DIR, $UNIT) = @ARGV;

if (not defined $DIR) {
  die "Need directory: $0 <DIR>\n";
}

if (not defined $UNIT) {
    $UNIT = 1.0;
} else {
    if ( $UNIT eq 'GB' ) {
        $UNIT = 0.001;
    }
}

my %RES;

my @testcases = ('Init', 'Sum', 'Copy', 'Update', 'Triad',  'Daxpy', 'STriad', 'SDaxpy');

while( defined( my $file = glob($DIR . '/*' ) ) ) {

    my $nt = 1;
    open(my $fh, "<","$file");
    if ($file =~ /.*-([0-9]+)\.txt/) {
        $nt = $1;
    }
    $RES{$nt} = {};

    while ( <$fh> ) {
        my $cnt = split(/[ ]+/, $_);

        if ( $cnt == 6 ) {
            my @fields = split(/[ ]+/, $_);

            if ( $fields[1] =~ /[0-9]+/ ) {
                $fields[0] =~ s/://;
                $RES{$nt}->{$fields[0]} = $fields[1] * $UNIT;
            }
        }

    }

    close $fh or die "can't close file $!";
}

printf "#nt";
foreach my $test ( @testcases ) {
    printf "\t%s", $test;
}
printf "\n";

foreach my $key (sort {$a <=> $b} keys %RES) {
    printf "%d", $key;

    foreach my $test ( @testcases ) {
        if ( $UNIT > 0.1 ) {
            printf "\t%.0f", $RES{$key}->{$test};
        } else {
            printf "\t%.2f", $RES{$key}->{$test};
        }
    }
    printf "\n";
}