bash_output.txt

obsidian@lithion-mint ~/Documents $ php benchmark.php
file - 0.212994 seconds
obsidian@lithion-mint ~/Documents $ php benchmark.php
file - 0.204549 seconds
obsidian@lithion-mint ~/Documents $ php benchmark.php
file - 0.200732 seconds
obsidian@lithion-mint ~/Documents $ php benchmark.php
file - 0.207176 seconds
obsidian@lithion-mint ~/Documents $ php benchmark.php
file - 0.210159 seconds
obsidian@lithion-mint ~/Documents $ php benchmark.php
fgets - 0.188541 seconds
obsidian@lithion-mint ~/Documents $ php benchmark.php
fgets - 0.163778 seconds
obsidian@lithion-mint ~/Documents $ php benchmark.php
fgets - 0.163242 seconds
obsidian@lithion-mint ~/Documents $ php benchmark.php
fgets - 0.164689 seconds
obsidian@lithion-mint ~/Documents $ php benchmark.php
fgets - 0.166871 seconds
obsidian@lithion-mint ~/Documents $ 

benchmark.php

<?php
$mode = 'fgets';
benchmark();
for($i = 0; $i <= 2000; $i++)
{
	try
	{
		// blah blah 123
		throw new Exception('test');
	}
	catch(Exception $e)
	{

		if($mode == 'fgets')
			getErrorContextFgets($e->getFile(), $e->getLine(), 4);
		elseif($mode == 'file')
			getErrorContextFile($e->getFile(), $e->getLine(), 4);
	}
}
echo $mode . ' - ';
benchmark();
die();




function getTime()
{
	$timer = explode(' ', microtime());
	return $timer[1] + $timer[0];
}

function benchmark()
{
	static $start = 0;

	if(!$start)
		$start = getTime();
	else
		echo round(getTime() - $start, 6) . ' seconds' . PHP_EOL;
}

function getErrorContextFile($file, $line, $context = 3)
{
	$return = array();
	foreach (file($file) as $i => $str)
	{
		if (($i + 1) < ($line + $context) && ($i + 1) > ($line - $context))
		{
			$return[] = $str;
		}
	}

	return $return;
}

function getErrorContextFgets($file, $line, $context = 3)
{
	$return = '';
	$line_i = 0;
	if($fh = fopen($file,"r"))
	{
		while (!feof($fh))
		{
			$line_i++;
			if($line_i > ($line - $context))
			{
				if($line_i < ($line + $context))
					break;
				$return[] = fgets($fh);
			}
			else
			{
				fgets($fh);
			}
		}
		fclose($fh);
	}
	return $return;
}

Oddly enough, when implementing the same sort of change that I made to the fgets() variant to the file() variant, file() ends up being faster.

Must be something to do with Win vs Linux too...you're in Windows right now, aren't you?

I'm running a 64bit build of PHP as well, that might make a difference.

Hmm, interesting.

I don't believe that Failnet (or anything that anyone adds to it) should be using source files over 1mb, so file() it is.

Eh, I need to find something large then. ext4 might prove better or worse for that, hard to say. You have that file so I can test it with that?

Alright, here's my results: http://gist.github.com/408354#file_benchmark.txt