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      1 #!/usr/local/bin/perl
      2 #  ***********************************************************************
      3 #  * COPYRIGHT:
      4 #  * Copyright (c) 2002-2013, International Business Machines Corporation
      5 #  * and others. All Rights Reserved.
      6 #  ***********************************************************************
      7 
      8 use strict;
      9 
     10 #use Dataset;
     11 use Format;
     12 use Output;
     13 
     14 my $VERBOSE = 0;
     15 my $DEBUG   = 1;
     16 my $start_l = ""; #formatting help
     17 my $end_l   = "";
     18 my @testArgs; # different kinds of tests we want to do
     19 my $datadir = "data";
     20 my $extraArgs; # stuff that always gets passed to the test program
     21 
     22 
     23 my $iterCount = 0;
     24 my $NUMPASSES = 4;
     25 my $TIME = 2;
     26 my $ITERATIONS;   #Added by Doug
     27 my $DATADIR;
     28 
     29 sub setupOptions {
     30   my %options = %{shift @_};
     31 
     32   if($options{"time"}) {
     33     $TIME = $options{"time"};
     34   }
     35 
     36   if($options{"passes"}) {
     37     $NUMPASSES = $options{"passes"};
     38   }
     39 
     40   if($options{"dataDir"}) {
     41     $DATADIR = $options{"dataDir"};
     42   }
     43   
     44   # Added by Doug
     45   if ($options{"iterations"}) {
     46     $ITERATIONS = $options{"iterations"};
     47   }
     48 }
     49 
     50 sub runTests {
     51   my $options = shift;
     52   my @programs;
     53   my $tests = shift;
     54   my %datafiles;
     55   if($#_ >= 0) { # maybe no files/locales
     56     my $datafiles = shift;
     57     if($datafiles) {
     58       %datafiles = %{$datafiles};
     59     }
     60   }
     61   setupOutput($options);
     62   setupOptions($options);
     63 
     64   my($locale, $iter, $data, $program, $args, $variable);
     65 #
     66 #  Outer loop runs through the locales to test
     67 #
     68   if (%datafiles) {
     69     foreach $locale (sort keys %datafiles ) {
     70       foreach $data (@{ $datafiles{$locale} }) {
     71         closeTable;
     72         my $locdata = "";
     73         if(!($locale eq "")) {
     74           $locdata = "<b>Locale:</b> $locale<br>";
     75         }
     76         $locdata .= "<b>Datafile:</b> $data<br>";
     77         startTest($locdata);
     78 
     79         if($DATADIR) {
     80           compareLoop ($tests, $locale, $DATADIR."/".$data);
     81         } else {
     82           compareLoop ($tests, $locale, $data);
     83         }
     84       }
     85     }
     86   } else {
     87     compareLoop($tests);
     88   }
     89   closeOutput();
     90 }
     91 
     92 sub compareLoop {
     93   my $tests = shift;
     94   #my @tests = @{$tests};
     95   my %tests = %{$tests};
     96   my $locale = shift;
     97   my $datafile = shift;
     98   my $locAndData = "";
     99   if($locale) {
    100     $locAndData .= " -L \"$locale\"";
    101   }
    102   if($datafile) {
    103     $locAndData .= " -f $datafile";
    104   }
    105 
    106   my $args;
    107   my ($i, $j, $aref);
    108   foreach $i ( sort keys %tests ) {
    109     debug("Test: $i\n");
    110     $aref = $tests{$i};
    111     my @timedata;
    112     my @iterPerPass;
    113     my @noopers;
    114     my @noevents;
    115 
    116     my $program;
    117     my @argsAndTest;
    118     for $j ( 0 .. $#{$aref} ) {
    119     # first we calibrate. Use time from somewhere
    120     # first test is used for calibration
    121       ($program, @argsAndTest) = split(/,/, @{ $tests{$i} }[$j]);
    122       #Modified by Doug
    123       my $commandLine;
    124       if ($ITERATIONS) {
    125         $commandLine = "$program -i $ITERATIONS -p $NUMPASSES $locAndData @argsAndTest";
    126       } else {
    127         $commandLine = "$program -t $TIME -p $NUMPASSES $locAndData @argsAndTest";
    128       }
    129       #my $commandLine = "$program -i 5 -p $NUMPASSES $locAndData @argsAndTest";
    130       my @res = measure1($commandLine);
    131       store("$i, $program @argsAndTest", @res);
    132 
    133       push(@iterPerPass, shift(@res));
    134       push(@noopers, shift(@res));
    135       my @data = @{ shift(@res) };
    136       if($#res >= 0) {
    137       push(@noevents, shift(@res));
    138     }
    139 
    140       shift(@data) if (@data > 1); # discard first run
    141 
    142       #debug("data is @data\n");
    143       my $ds = Dataset->new(@data);
    144 
    145       push(@timedata, $ds);
    146     }
    147 
    148     outputRow($i, \@iterPerPass, \@noopers, \@timedata, \@noevents);
    149   }
    150 
    151 }
    152 
    153 #---------------------------------------------------------------------
    154 # Measure a given test method with a give test pattern using the
    155 # global run parameters.
    156 #
    157 # @param the method to run
    158 # @param the pattern defining characters to test
    159 # @param if >0 then the number of iterations per pass.  If <0 then
    160 #        (negative of) the number of seconds per pass.
    161 #
    162 # @return array of:
    163 #         [0] iterations per pass
    164 #         [1] events per iteration
    165 #         [2..] ms reported for each pass, in order
    166 #
    167 sub measure1 {
    168     # run passes
    169     my @t = callProg(shift); #"$program $args $argsAndTest");
    170     my @ms = ();
    171     my @b; # scratch
    172     for my $a (@t) {
    173         # $a->[0]: method name, corresponds to $method
    174         # $a->[1]: 'begin' data, == $iterCount
    175         # $a->[2]: 'end' data, of the form <ms> <eventsPerIter>
    176         # $a->[3...]: gc messages from JVM during pass
    177         @b = split(/\s+/, $a->[2]);
    178         #push(@ms, $b[0]);
    179         push(@ms, shift(@b));
    180     }
    181     my $iterCount = shift(@b);
    182     my $operationsPerIter = shift(@b);
    183     my $eventsPerIter;
    184     if($#b >= 0) {
    185       $eventsPerIter = shift(@b);
    186     }
    187 
    188 #    out("Iterations per pass: $iterCount<BR>\n");
    189 #    out("Events per iteration: $eventsPerIter<BR>\n");
    190 #    debug("Iterations per pass: $iterCount<BR>\n");
    191 #    if($eventsPerIter) {
    192 #      debug("Events per iteration: $eventsPerIter<BR>\n");
    193 #    }
    194 
    195     my @ms_str = @ms;
    196     $ms_str[0] .= " (discarded)" if (@ms_str > 1);
    197 #    out("Raw times (ms/pass): ", join(", ", @ms_str), "<BR>\n");
    198     debug("Raw times (ms/pass): ", join(", ", @ms_str), "<BR>\n");
    199     if($eventsPerIter) {
    200       ($iterCount, $operationsPerIter, \@ms, $eventsPerIter);
    201     } else {
    202       ($iterCount, $operationsPerIter, \@ms);
    203     }
    204 }
    205 
    206 
    207 
    208 #---------------------------------------------------------------------
    209 # Measure a given test method with a give test pattern using the
    210 # global run parameters.
    211 #
    212 # @param the method to run
    213 # @param the pattern defining characters to test
    214 # @param if >0 then the number of iterations per pass.  If <0 then
    215 #        (negative of) the number of seconds per pass.
    216 #
    217 # @return a Dataset object, scaled by iterations per pass and
    218 #         events per iteration, to give time per event
    219 #
    220 sub measure2 {
    221     my @res = measure1(@_);
    222     my $iterPerPass = shift(@res);
    223     my $operationsPerIter = shift(@res);
    224     my @data = @{ shift(@res) };
    225     my $eventsPerIter = shift(@res);
    226     
    227 
    228     shift(@data) if (@data > 1); # discard first run
    229 
    230     my $ds = Dataset->new(@data);
    231     #$ds->setScale(1.0e-3 / ($iterPerPass * $operationsPerIter));
    232     ($ds, $iterPerPass, $operationsPerIter, $eventsPerIter);
    233 }
    234 
    235 
    236 #---------------------------------------------------------------------
    237 # Invoke program and capture results, passing it the given parameters.
    238 #
    239 # @param the method to run
    240 # @param the number of iterations, or if negative, the duration
    241 #        in seconds.  If more than on pass is desired, pass in
    242 #        a string, e.g., "100 100 100".
    243 # @param the pattern defining characters to test
    244 #
    245 # @return an array of results.  Each result is an array REF
    246 #         describing one pass.  The array REF contains:
    247 #         ->[0]: The method name as reported
    248 #         ->[1]: The params on the '= <meth> begin ...' line
    249 #         ->[2]: The params on the '= <meth> end ...' line
    250 #         ->[3..]: GC messages from the JVM, if any
    251 #
    252 sub callProg {
    253     my $cmd = shift;
    254     #my $pat = shift;
    255     #my $n = shift;
    256 
    257     #my $cmd = "java -cp c:\\dev\\myicu4j\\classes $TESTCLASS $method $n $pat";
    258     debug( "[$cmd]\n"); # for debugging
    259     open(PIPE, "$cmd|") or die "Can't run \"$cmd\"";
    260     my @out;
    261     while (<PIPE>) {
    262         push(@out, $_);
    263     }
    264     close(PIPE) or die "Program failed: \"$cmd\"";
    265 
    266     @out = grep(!/^\#/, @out);  # filter out comments
    267 
    268     #debug( "[", join("\n", @out), "]\n");
    269 
    270     my @results;
    271     my $method = '';
    272     my $data = [];
    273     foreach (@out) {
    274         next unless (/\S/);
    275 
    276         if (/^=\s*(\w+)\s*(\w+)\s*(.*)/) {
    277             my ($m, $state, $d) = ($1, $2, $3);
    278             #debug ("$_ => [[$m $state !!!$d!!! $data ]]\n");
    279             if ($state eq 'begin') {
    280                 die "$method was begun but not finished" if ($method);
    281                 $method = $m;
    282                 push(@$data, $d);
    283                 push(@$data, ''); # placeholder for end data
    284             } elsif ($state eq 'end') {
    285                 if ($m ne $method) {
    286                     die "$method end does not match: $_";
    287                 }
    288                 $data->[1] = $d; # insert end data at [1]
    289                 #debug( "#$method:", join(";",@$data), "\n");
    290                 unshift(@$data, $method); # add method to start
    291                 push(@results, $data);
    292                 $method = '';
    293                 $data = [];
    294             } else {
    295                 die "Can't parse: $_";
    296             }
    297         }
    298 
    299         elsif (/^\[/) {
    300             if ($method) {
    301                 push(@$data, $_);
    302             } else {
    303                 # ignore extraneous GC notices
    304             }
    305         }
    306 
    307         else {
    308             # die "Can't parse: $_";
    309         }
    310     }
    311 
    312     die "$method was begun but not finished" if ($method);
    313 
    314     @results;
    315 }
    316 
    317 sub debug  {
    318   my $message;
    319   if($DEBUG != 0) {
    320     foreach $message (@_) {
    321       print STDERR "$message";
    322     }
    323   }
    324 }
    325 
    326 sub measure1Alan {
    327   #Added here, was global
    328   my $CALIBRATE = 2; # duration in seconds for initial calibration
    329 
    330     my $method = shift;
    331     my $pat = shift;
    332     my $iterCount = shift; # actually might be -seconds/pass
    333 
    334     out("<P>Measuring $method using $pat, ");
    335     if ($iterCount > 0) {
    336         out("$iterCount iterations/pass, $NUMPASSES passes</P>\n");
    337     } else {
    338         out(-$iterCount, " seconds/pass, $NUMPASSES passes</P>\n");
    339     }
    340 
    341     # is $iterCount actually -seconds?
    342     if ($iterCount < 0) {
    343 
    344         # calibrate: estimate ms/iteration
    345         print "Calibrating...";
    346         my @t = callJava($method, $pat, -$CALIBRATE);
    347         print "done.\n";
    348 
    349         my @data = split(/\s+/, $t[0]->[2]);
    350         my $timePerIter = 1.0e-3 * $data[0] / $data[2];
    351     
    352         # determine iterations/pass
    353         $iterCount = int(-$iterCount / $timePerIter + 0.5);
    354 
    355         out("<P>Calibration pass ($CALIBRATE sec): ");
    356         out("$data[0] ms, ");
    357         out("$data[2] iterations = ");
    358         out(formatSeconds(4, $timePerIter), "/iteration<BR>\n");
    359     }
    360     
    361     # run passes
    362     print "Measuring $iterCount iterations x $NUMPASSES passes...";
    363     my @t = callJava($method, $pat, "$iterCount " x $NUMPASSES);
    364     print "done.\n";
    365     my @ms = ();
    366     my @b; # scratch
    367     for my $a (@t) {
    368         # $a->[0]: method name, corresponds to $method
    369         # $a->[1]: 'begin' data, == $iterCount
    370         # $a->[2]: 'end' data, of the form <ms> <eventsPerIter>
    371         # $a->[3...]: gc messages from JVM during pass
    372         @b = split(/\s+/, $a->[2]);
    373         push(@ms, $b[0]);
    374     }
    375     my $eventsPerIter = $b[1];
    376 
    377     out("Iterations per pass: $iterCount<BR>\n");
    378     out("Events per iteration: $eventsPerIter<BR>\n");
    379 
    380     my @ms_str = @ms;
    381     $ms_str[0] .= " (discarded)" if (@ms_str > 1);
    382     out("Raw times (ms/pass): ", join(", ", @ms_str), "<BR>\n");
    383 
    384     ($iterCount, $eventsPerIter, @ms);
    385 }
    386 
    387 
    388 1;
    389 
    390 #eof
    391