[Phpfreechat-svn] SF.net SVN: phpfreechat: [1139] branches/pfc-comet/misc

[<ke...@us...>]

Revision: 1139
          http://phpfreechat.svn.sourceforge.net/phpfreechat/?rev=1139&view=rev
Author:   kerphi
Date:     2007-08-21 09:59:45 -0700 (Tue, 21 Aug 2007)

Log Message:
-----------
some tests to know if using opendir to get the filename with the higher integer is faster than to read a simple index file 

Added Paths:
-----------
    branches/pfc-comet/misc/opendir-perf-test/
    branches/pfc-comet/misc/opendir-perf-test/dir_to_test/
    branches/pfc-comet/misc/opendir-perf-test/dir_to_test/664
    branches/pfc-comet/misc/opendir-perf-test/dir_to_test/665
    branches/pfc-comet/misc/opendir-perf-test/dir_to_test/666
    branches/pfc-comet/misc/opendir-perf-test/dir_to_test/667
    branches/pfc-comet/misc/opendir-perf-test/dir_to_test/668
    branches/pfc-comet/misc/opendir-perf-test/dir_to_test/669
    branches/pfc-comet/misc/opendir-perf-test/dir_to_test/670
    branches/pfc-comet/misc/opendir-perf-test/dir_to_test/671
    branches/pfc-comet/misc/opendir-perf-test/dir_to_test/672
    branches/pfc-comet/misc/opendir-perf-test/dir_to_test/673
    branches/pfc-comet/misc/opendir-perf-test/dir_to_test/674
    branches/pfc-comet/misc/opendir-perf-test/dir_to_test/675
    branches/pfc-comet/misc/opendir-perf-test/dir_to_test/676
    branches/pfc-comet/misc/opendir-perf-test/dir_to_test/677
    branches/pfc-comet/misc/opendir-perf-test/dir_to_test/678
    branches/pfc-comet/misc/opendir-perf-test/dir_to_test/679
    branches/pfc-comet/misc/opendir-perf-test/dir_to_test/680
    branches/pfc-comet/misc/opendir-perf-test/dir_to_test/681
    branches/pfc-comet/misc/opendir-perf-test/dir_to_test/682
    branches/pfc-comet/misc/opendir-perf-test/dir_to_test/683
    branches/pfc-comet/misc/opendir-perf-test/dir_to_test/684
    branches/pfc-comet/misc/opendir-perf-test/indexfile-read.php
    branches/pfc-comet/misc/opendir-perf-test/indexfile-write.php
    branches/pfc-comet/misc/opendir-perf-test/indexfile_to_test/
    branches/pfc-comet/misc/opendir-perf-test/indexfile_to_test/index
    branches/pfc-comet/misc/opendir-perf-test/opendir-read.php
    branches/pfc-comet/misc/opendir-perf-test/opendir-write.php

Added: branches/pfc-comet/misc/opendir-perf-test/dir_to_test/664
===================================================================

Added: branches/pfc-comet/misc/opendir-perf-test/dir_to_test/665
===================================================================

Added: branches/pfc-comet/misc/opendir-perf-test/dir_to_test/666
===================================================================

Added: branches/pfc-comet/misc/opendir-perf-test/dir_to_test/667
===================================================================

Added: branches/pfc-comet/misc/opendir-perf-test/dir_to_test/668
===================================================================

Added: branches/pfc-comet/misc/opendir-perf-test/dir_to_test/669
===================================================================

Added: branches/pfc-comet/misc/opendir-perf-test/dir_to_test/670
===================================================================

Added: branches/pfc-comet/misc/opendir-perf-test/dir_to_test/671
===================================================================

Added: branches/pfc-comet/misc/opendir-perf-test/dir_to_test/672
===================================================================

Added: branches/pfc-comet/misc/opendir-perf-test/dir_to_test/673
===================================================================

Added: branches/pfc-comet/misc/opendir-perf-test/dir_to_test/674
===================================================================

Added: branches/pfc-comet/misc/opendir-perf-test/dir_to_test/675
===================================================================

Added: branches/pfc-comet/misc/opendir-perf-test/dir_to_test/676
===================================================================

Added: branches/pfc-comet/misc/opendir-perf-test/dir_to_test/677
===================================================================

Added: branches/pfc-comet/misc/opendir-perf-test/dir_to_test/678
===================================================================

Added: branches/pfc-comet/misc/opendir-perf-test/dir_to_test/679
===================================================================

Added: branches/pfc-comet/misc/opendir-perf-test/dir_to_test/680
===================================================================

Added: branches/pfc-comet/misc/opendir-perf-test/dir_to_test/681
===================================================================

Added: branches/pfc-comet/misc/opendir-perf-test/dir_to_test/682
===================================================================

Added: branches/pfc-comet/misc/opendir-perf-test/dir_to_test/683
===================================================================

Added: branches/pfc-comet/misc/opendir-perf-test/dir_to_test/684
===================================================================

Added: branches/pfc-comet/misc/opendir-perf-test/indexfile-read.php
===================================================================
--- branches/pfc-comet/misc/opendir-perf-test/indexfile-read.php	                        (rev 0)
+++ branches/pfc-comet/misc/opendir-perf-test/indexfile-read.php	2007-08-21 16:59:45 UTC (rev 1139)
@@ -0,0 +1,22 @@
+<?php
+
+require_once dirname(__FILE__)."/../../src/pfctools.php";
+
+$uid = md5(uniqid(rand(), true));
+$indexfile = dirname(__FILE__)."/indexfile_to_test/index";
+$delay = 1000; // 1000 = 1 ms
+
+$time = 0;
+while(1)
+{
+
+  $time = microtime();
+  if (!file_exists($indexfile)) die();
+
+  $max = file_get_contents_flock($indexfile);
+
+  echo "[".$uid."] max is ".$max.", dtime = ".(microtime()-$time)."\n";
+  usleep($delay);
+}
+
+?>

Added: branches/pfc-comet/misc/opendir-perf-test/indexfile-write.php
===================================================================
--- branches/pfc-comet/misc/opendir-perf-test/indexfile-write.php	                        (rev 0)
+++ branches/pfc-comet/misc/opendir-perf-test/indexfile-write.php	2007-08-21 16:59:45 UTC (rev 1139)
@@ -0,0 +1,24 @@
+<?php
+
+require_once dirname(__FILE__)."/../../src/pfctools.php";
+
+$uid = md5(uniqid(rand(), true));
+$indexfile = dirname(__FILE__)."/indexfile_to_test/index";
+$delay = 1000000; // 1000 = 1 ms
+
+$time = 0;
+while(1)
+{
+
+  $time = microtime();
+  if (!file_exists($indexfile)) die();
+
+  $max = file_get_contents_flock($indexfile);
+  $max++;
+  file_put_contents($indexfile, $max, LOCK_EX);
+
+  echo "[".$uid."] max is ".$max.", dtime = ".(microtime()-$time)."\n";
+  usleep($delay);
+}
+
+?>

Added: branches/pfc-comet/misc/opendir-perf-test/indexfile_to_test/index
===================================================================
--- branches/pfc-comet/misc/opendir-perf-test/indexfile_to_test/index	                        (rev 0)
+++ branches/pfc-comet/misc/opendir-perf-test/indexfile_to_test/index	2007-08-21 16:59:45 UTC (rev 1139)
@@ -0,0 +1 @@
+136
\ No newline at end of file

Added: branches/pfc-comet/misc/opendir-perf-test/opendir-read.php
===================================================================
--- branches/pfc-comet/misc/opendir-perf-test/opendir-read.php	                        (rev 0)
+++ branches/pfc-comet/misc/opendir-perf-test/opendir-read.php	2007-08-21 16:59:45 UTC (rev 1139)
@@ -0,0 +1,35 @@
+<?php
+
+$uid = md5(uniqid(rand(), true));
+$dir = dirname(__FILE__)."/dir_to_test";
+$delay = 1000; // 1000 = 1 ms
+
+$time = 0;
+while(1)
+{
+
+  $time = microtime();
+  if (!is_dir($dir)) return false;
+
+  $list = array();
+  if ($dh = opendir($dir))
+  {
+    while (($file = readdir($dh)) !== false)
+      if ($file != '.' && $file != '..' && $file != '.svn')
+        $list[] = $file;
+    closedir($dh);
+  }
+
+  sort($list);
+  if (count($list)>0)
+    $max = $list[count($list)-1];
+  else
+    $max = -1;
+  //foreach($list as $i)
+  //  if ($max == -1 || $max < $i)
+  //    $max = $i;
+  echo "[".$uid."] max is ".$max.", dtime = ".(microtime()-$time)."\n";
+  usleep($delay);
+}
+
+?>

Added: branches/pfc-comet/misc/opendir-perf-test/opendir-write.php
===================================================================
--- branches/pfc-comet/misc/opendir-perf-test/opendir-write.php	                        (rev 0)
+++ branches/pfc-comet/misc/opendir-perf-test/opendir-write.php	2007-08-21 16:59:45 UTC (rev 1139)
@@ -0,0 +1,36 @@
+<?php
+
+$dir = dirname(__FILE__)."/dir_to_test";
+$limit = 20;
+
+while(1)
+{
+  if (!is_dir($dir)) return false;
+
+  $list = array();
+  if ($dh = opendir($dir))
+  {
+    while (($file = readdir($dh)) !== false)
+      if ($file != '.' && $file != '..' && $file != '.svn')
+        $list[] = $file;
+    closedir($dh);
+  }
+  
+  sort($list);
+  if (count($list)>0)
+  {
+    $min = $list[0];
+    $max = $list[count($list)-1];
+  }
+  else
+  {
+    $max = 0;
+    $min = 0;
+  }
+  touch($dir.'/'.($max+1));
+  @unlink($dir.'/'.($max-$limit));
+  echo "min = $min, max = $max\n";
+  sleep(1);
+}  
+
+?>


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