scuffed-code/icu4c/source/test/perf/perldriver/PerfFramework.pm

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#!/usr/local/bin/perl
# ********************************************************************
# * COPYRIGHT:
# * Copyright (c) 2002, International Business Machines Corporation and
# * others. All Rights Reserved.
# ********************************************************************
use strict;
#use Dataset;
use Format;
use Output;
my $VERBOSE = 0;
my $DEBUG = 1;
my $start_l = ""; #formatting help
my $end_l = "";
my @testArgs; # different kinds of tests we want to do
my $datadir = "data";
my $extraArgs; # stuff that always gets passed to the test program
my $iterCount = 0;
my $NUMPASSES = 4;
my $TIME = 2;
my $DATADIR;
sub setupOptions {
my %options = %{shift @_};
if($options{"time"}) {
$TIME = $options{"time"};
}
if($options{"passes"}) {
$NUMPASSES = $options{"passes"};
}
if($options{"dataDir"}) {
$DATADIR = $options{"dataDir"};
}
}
sub runTests {
my $options = shift;
my @programs;
my $tests = shift;
my %datafiles;
if($#_ >= 0) { # maybe no files/locales
my $datafiles = shift;
if($datafiles) {
%datafiles = %{$datafiles};
}
}
setupOutput($options);
setupOptions($options);
my($locale, $iter, $data, $program, $args, $variable);
#
# Outer loop runs through the locales to test
#
if (%datafiles) {
foreach $locale (sort keys %datafiles ) {
foreach $data (@{ $datafiles{$locale} }) {
closeTable;
my $locdata = "";
if(!($locale eq "")) {
$locdata = "<b>Locale:</b> $locale<br>";
}
$locdata .= "<b>Datafile:</b> $data<br>";
startTest($locdata);
if($DATADIR) {
compareLoop ($tests, $locale, $DATADIR."/".$data);
} else {
compareLoop ($tests, $locale, $data);
}
}
}
} else {
compareLoop($tests);
}
closeOutput();
}
sub compareLoop {
my $tests = shift;
#my @tests = @{$tests};
my %tests = %{$tests};
my $locale = shift;
my $datafile = shift;
my $locAndData = "";
if($locale) {
$locAndData .= " -L $locale";
}
if($datafile) {
$locAndData .= " -f $datafile";
}
my $args;
my ($i, $j, $aref);
foreach $i ( sort keys %tests ) {
debug("Test: $i\n");
$aref = $tests{$i};
my @timedata;
my @iterPerPass;
my @noopers;
my @noevents;
my $program;
my @argsAndTest;
for $j ( 0 .. $#{$aref} ) {
# first we calibrate. Use time from somewhere
# first test is used for calibration
($program, @argsAndTest) = split(/\ /, @{ $tests{$i} }[$j]);
my $commandLine = "$program -t $TIME -p $NUMPASSES $locAndData @argsAndTest";
#my $commandLine = "$program -i 5 -p $NUMPASSES $locAndData @argsAndTest";
my @res = measure1($commandLine);
store("$i, $program @argsAndTest", @res);
push(@iterPerPass, shift(@res));
push(@noopers, shift(@res));
my @data = @{ shift(@res) };
if($#res >= 0) {
push(@noevents, shift(@res));
}
shift(@data) if (@data > 1); # discard first run
#debug("data is @data\n");
my $ds = Dataset->new(@data);
push(@timedata, $ds);
}
outputRow($i, \@iterPerPass, \@noopers, \@timedata, \@noevents);
}
}
#---------------------------------------------------------------------
# Measure a given test method with a give test pattern using the
# global run parameters.
#
# @param the method to run
# @param the pattern defining characters to test
# @param if >0 then the number of iterations per pass. If <0 then
# (negative of) the number of seconds per pass.
#
# @return array of:
# [0] iterations per pass
# [1] events per iteration
# [2..] ms reported for each pass, in order
#
sub measure1 {
# run passes
my @t = callProg(shift); #"$program $args $argsAndTest");
my @ms = ();
my @b; # scratch
for my $a (@t) {
# $a->[0]: method name, corresponds to $method
# $a->[1]: 'begin' data, == $iterCount
# $a->[2]: 'end' data, of the form <ms> <eventsPerIter>
# $a->[3...]: gc messages from JVM during pass
@b = split(/\s+/, $a->[2]);
#push(@ms, $b[0]);
push(@ms, shift(@b));
}
my $iterCount = shift(@b);
my $operationsPerIter = shift(@b);
my $eventsPerIter;
if($#b >= 0) {
$eventsPerIter = shift(@b);
}
# out("Iterations per pass: $iterCount<BR>\n");
# out("Events per iteration: $eventsPerIter<BR>\n");
# debug("Iterations per pass: $iterCount<BR>\n");
# if($eventsPerIter) {
# debug("Events per iteration: $eventsPerIter<BR>\n");
# }
my @ms_str = @ms;
$ms_str[0] .= " (discarded)" if (@ms_str > 1);
# out("Raw times (ms/pass): ", join(", ", @ms_str), "<BR>\n");
debug("Raw times (ms/pass): ", join(", ", @ms_str), "<BR>\n");
if($eventsPerIter) {
($iterCount, $operationsPerIter, \@ms, $eventsPerIter);
} else {
($iterCount, $operationsPerIter, \@ms);
}
}
#---------------------------------------------------------------------
# Measure a given test method with a give test pattern using the
# global run parameters.
#
# @param the method to run
# @param the pattern defining characters to test
# @param if >0 then the number of iterations per pass. If <0 then
# (negative of) the number of seconds per pass.
#
# @return a Dataset object, scaled by iterations per pass and
# events per iteration, to give time per event
#
sub measure2 {
my @res = measure1(@_);
my $iterPerPass = shift(@res);
my $operationsPerIter = shift(@res);
my @data = @{ shift(@res) };
my $eventsPerIter = shift(@res);
shift(@data) if (@data > 1); # discard first run
my $ds = Dataset->new(@data);
#$ds->setScale(1.0e-3 / ($iterPerPass * $operationsPerIter));
($ds, $iterPerPass, $operationsPerIter, $eventsPerIter);
}
#---------------------------------------------------------------------
# Invoke program and capture results, passing it the given parameters.
#
# @param the method to run
# @param the number of iterations, or if negative, the duration
# in seconds. If more than on pass is desired, pass in
# a string, e.g., "100 100 100".
# @param the pattern defining characters to test
#
# @return an array of results. Each result is an array REF
# describing one pass. The array REF contains:
# ->[0]: The method name as reported
# ->[1]: The params on the '= <meth> begin ...' line
# ->[2]: The params on the '= <meth> end ...' line
# ->[3..]: GC messages from the JVM, if any
#
sub callProg {
my $cmd = shift;
#my $pat = shift;
#my $n = shift;
#my $cmd = "java -cp c:\\dev\\myicu4j\\classes $TESTCLASS $method $n $pat";
debug( "[$cmd]\n"); # for debugging
open(PIPE, "$cmd|") or die "Can't run \"$cmd\"";
my @out;
while (<PIPE>) {
push(@out, $_);
}
close(PIPE) or die "Program failed: \"$cmd\"";
@out = grep(!/^\#/, @out); # filter out comments
#debug( "[", join("\n", @out), "]\n");
my @results;
my $method = '';
my $data = [];
foreach (@out) {
next unless (/\S/);
if (/^=\s*(\w+)\s*(\w+)\s*(.*)/) {
my ($m, $state, $d) = ($1, $2, $3);
#debug ("$_ => [[$m $state !!!$d!!! $data ]]\n");
if ($state eq 'begin') {
die "$method was begun but not finished" if ($method);
$method = $m;
push(@$data, $d);
push(@$data, ''); # placeholder for end data
} elsif ($state eq 'end') {
if ($m ne $method) {
die "$method end does not match: $_";
}
$data->[1] = $d; # insert end data at [1]
#debug( "#$method:", join(";",@$data), "\n");
unshift(@$data, $method); # add method to start
push(@results, $data);
$method = '';
$data = [];
} else {
die "Can't parse: $_";
}
}
elsif (/^\[/) {
if ($method) {
push(@$data, $_);
} else {
# ignore extraneous GC notices
}
}
else {
die "Can't parse: $_";
}
}
die "$method was begun but not finished" if ($method);
@results;
}
sub debug {
my $message;
if($DEBUG != 0) {
foreach $message (@_) {
print STDERR "$message";
}
}
}
sub measure1Alan {
#Added here, was global
my $CALIBRATE = 2; # duration in seconds for initial calibration
my $method = shift;
my $pat = shift;
my $iterCount = shift; # actually might be -seconds/pass
out("<P>Measuring $method using $pat, ");
if ($iterCount > 0) {
out("$iterCount iterations/pass, $NUMPASSES passes</P>\n");
} else {
out(-$iterCount, " seconds/pass, $NUMPASSES passes</P>\n");
}
# is $iterCount actually -seconds?
if ($iterCount < 0) {
# calibrate: estimate ms/iteration
print "Calibrating...";
my @t = callJava($method, $pat, -$CALIBRATE);
print "done.\n";
my @data = split(/\s+/, $t[0]->[2]);
my $timePerIter = 1.0e-3 * $data[0] / $data[2];
# determine iterations/pass
$iterCount = int(-$iterCount / $timePerIter + 0.5);
out("<P>Calibration pass ($CALIBRATE sec): ");
out("$data[0] ms, ");
out("$data[2] iterations = ");
out(formatSeconds(4, $timePerIter), "/iteration<BR>\n");
}
# run passes
print "Measuring $iterCount iterations x $NUMPASSES passes...";
my @t = callJava($method, $pat, "$iterCount " x $NUMPASSES);
print "done.\n";
my @ms = ();
my @b; # scratch
for my $a (@t) {
# $a->[0]: method name, corresponds to $method
# $a->[1]: 'begin' data, == $iterCount
# $a->[2]: 'end' data, of the form <ms> <eventsPerIter>
# $a->[3...]: gc messages from JVM during pass
@b = split(/\s+/, $a->[2]);
push(@ms, $b[0]);
}
my $eventsPerIter = $b[1];
out("Iterations per pass: $iterCount<BR>\n");
out("Events per iteration: $eventsPerIter<BR>\n");
my @ms_str = @ms;
$ms_str[0] .= " (discarded)" if (@ms_str > 1);
out("Raw times (ms/pass): ", join(", ", @ms_str), "<BR>\n");
($iterCount, $eventsPerIter, @ms);
}
1;
#eof