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Diffstat (limited to 'WebKitTools/Scripts/compare-timing-files')
-rwxr-xr-x | WebKitTools/Scripts/compare-timing-files | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/WebKitTools/Scripts/compare-timing-files b/WebKitTools/Scripts/compare-timing-files deleted file mode 100755 index 11b470b..0000000 --- a/WebKitTools/Scripts/compare-timing-files +++ /dev/null @@ -1,88 +0,0 @@ -#!/usr/bin/perl - -# Copyright (C) 2006 Apple Computer, Inc. All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# -# 1. Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# 2. Redistributions in binary form must reproduce the above copyright -# notice, this list of conditions and the following disclaimer in the -# documentation and/or other materials provided with the distribution. -# 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of -# its contributors may be used to endorse or promote products derived -# from this software without specific prior written permission. -# -# THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY -# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -# DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY -# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND -# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF -# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -# This script takes two files that are lists of timings and compares them. - -use warnings; -use strict; -use Getopt::Long; - -my $usage = "compare-timing-files [-c|--count results] oldFile newFile"; - -my $count = 1; -GetOptions("c|count=i" => \$count); - -my ($file1, $file2) = @ARGV; -die "$usage\n" unless ($file1 && $file2 && @ARGV == 2); - -my ($oldAverage, $oldRange, $oldRangePercent) = parseResults($file1); -my ($newAverage, $newRange, $newRangePercent) = parseResults($file2); - -print "\n===== $file1 =====\n"; -if ($count == 1) { - print("fastest run: $oldAverage\n"); -} else { - print("average of fastest $count runs: $oldAverage\n"); - printf("range of fastest $count runs: %.2f%% (%d)\n", $oldRangePercent, $oldRange); -} - -print "\n===== $file2 =====\n"; -if ($count == 1) { - print("fastest run: $newAverage\n"); -} else { - print("average of fastest $count runs: $newAverage\n"); - printf("range of fastest $count runs: %.2f%% (%d)\n", $newRangePercent, $newRange); -} - -my $gainOrLoss = $newAverage <= $oldAverage ? "GAIN" : "LOSS"; -my $difference = abs($newAverage - $oldAverage); -my $differencePercent = $difference / $oldAverage * 100; -printf("\nperformance %s of %.2f%% (%.1f / %.1f)\n", $gainOrLoss, $differencePercent, $difference, $oldAverage); -print "\n"; - -sub parseResults -{ - my ($file) = @_; - - open(FILE, $file) or die "Couldn't open file: $file"; - my @results = <FILE>; - close(FILE); - - @results = sort(@results); - my $total = 0; - for (my $i = 0; $i < $count; $i++) { - $results[$i] =~ s/\D*//; # cut out non-digits - $total += $results[$i]; - } - my $average = $total / $count; - my $range = $results[$count - 1] - $results[0]; - my $rangePercent = $range / $results[$count - 1] * 100; - - return ($average, $range, $rangePercent); -} - |