DenesKellner/speedTest.php

## speedTest.php
<?php

'Options';{

    $outerLoops = 1000;     //  number of times to repeat measure (choose shortest time), give it 1000+
    $innerLoops = 30;       //  iterations within each measurement; depends on what you're measuring
    $magnitude  = 6;        //  one of [3,6,9], or [nanoseconds,microseconds,milliseconds], respectively
    $decimals   = 2;        //  normally 2 but be my guest
    $methods    = 3;        //  number (and order) of methods to run; simple integer or like [1,3,2]

}

'Test variables';{

    $testString = "

        Professional dreamers are highly paid, respected, much sought-after talents. Like the majority of
        us, these seven dreamt without effort or discipline. Dreaming professionally, so that one’s dreams
        can be recorded and played back for the entertainment of others, is a much more demanding
        proposition. It requires the ability to regulate semiconscious creative impulses and to stratify
        imagination, an extraordinarily difficult combination to achieve. A professional dreamer is
        simultaneously the most organized of all artists and the most spontaneous. A subtle weaver of
        speculation, not straightforward and clumsy like you or I. Or these certain seven sleepers.

    ";
    $testString = str_repeat($testString,5);
    $replacements = [

        "respected"     => "despised",
        "seven"         => "ninety-five",
        "difficult"     => "boring",
        "professional"  => "confused",
        "subtle"        => "sigourney",

    ];
    $replace1 = array_keys($replacements);
    $replace2 = array_keys($replacements);

}


?><!doctype html>
<html>
    <title> SpeedTest </title>
    <style>
        *       {box-sizing:border-box;}
        body    {background:black;padding:20px 30px;}
        pre     {color:#ae0;font-size:14px;}
        pre b   {font-weight:normal;color:white;}
    </style>
    <body>
        <pre><?php

            function ms() {return (double)1000*microtime(1);}

            if(is_integer($magnitude)) $magnitude = [3=>"milli",6=>"micro",9=>"nano"][$magnitude]."seconds";
            print "Ticks are $magnitude.\n\n";

            $methodNumbers = [];
            if( is_array($methods)) $methodNumbers = $methods;
            if(!is_array($methods)) $methodNumbers = range(1,$methods);

            foreach($methodNumbers as $method) {
                $m = 9999999;
                for($i=0;$i<$outerLoops;++$i) {
                    $t = ms();
                    $N = $innerLoops;

                    'Run current method';{

                        if($method==1) while($N-->0) {
                            ;;
                            ;;
                            ;;      $tmp = strtr($testString,$replacements);
                            ;;
                            ;;
                        }

                        if($method==2) while($N-->0) {
                            ;;
                            ;;
                            ;;      $tmp = str_replace($testString,$replace1,$replace2);
                            ;;
                            ;;
                        }

                        if($method==3) while($N-->0) {
                            ;;
                            ;;
                            ;;
                            ;;
                            ;;
                        }

                    }

                    $m = min(ms()-$t,$m);
                }

                switch($magnitude) {
                    case 'nanoseconds':     {$div=1000000;break;}
                    case 'microseconds':    {$div=1000;break;}
                    case 'milliseconds':    {$div=1;break;}
                }

                printf("Method $method's best time: <b>%11.{$decimals}f</b> ticks\n",$m/($innerLoops/$div));
            }

        ?></pre>
    </body>
</html>
	<?php

	'Options';{

	$outerLoops = 1000; // number of times to repeat measure (choose shortest time), give it 1000+
	$innerLoops = 30; // iterations within each measurement; depends on what you're measuring
	$magnitude = 6; // one of [3,6,9], or [nanoseconds,microseconds,milliseconds], respectively
	$decimals = 2; // normally 2 but be my guest
	$methods = 3; // number (and order) of methods to run; simple integer or like [1,3,2]

	}

	'Test variables';{

	$testString = "

	Professional dreamers are highly paid, respected, much sought-after talents. Like the majority of
	us, these seven dreamt without effort or discipline. Dreaming professionally, so that one’s dreams
	can be recorded and played back for the entertainment of others, is a much more demanding
	proposition. It requires the ability to regulate semiconscious creative impulses and to stratify
	imagination, an extraordinarily difficult combination to achieve. A professional dreamer is
	simultaneously the most organized of all artists and the most spontaneous. A subtle weaver of
	speculation, not straightforward and clumsy like you or I. Or these certain seven sleepers.

	";
	$testString = str_repeat($testString,5);
	$replacements = [

	"respected" => "despised",
	"seven" => "ninety-five",
	"difficult" => "boring",
	"professional" => "confused",
	"subtle" => "sigourney",

	];
	$replace1 = array_keys($replacements);
	$replace2 = array_keys($replacements);

	}




	?><!doctype html>
	<html>
	<title> SpeedTest </title>
	<style>
	* {box-sizing:border-box;}
	body {background:black;padding:20px 30px;}
	pre {color:#ae0;font-size:14px;}
	pre b {font-weight:normal;color:white;}
	</style>
	<body>
	<pre><?php

	function ms() {return (double)1000*microtime(1);}

	if(is_integer($magnitude)) $magnitude = [3=>"milli",6=>"micro",9=>"nano"][$magnitude]."seconds";
	print "Ticks are $magnitude.\n\n";

	$methodNumbers = [];
	if( is_array($methods)) $methodNumbers = $methods;
	if(!is_array($methods)) $methodNumbers = range(1,$methods);

	foreach($methodNumbers as $method) {
	$m = 9999999;
	for($i=0;$i<$outerLoops;++$i) {
	$t = ms();
	$N = $innerLoops;

	'Run current method';{

	if($method==1) while($N-->0) {
	;;
	;;
	;; $tmp = strtr($testString,$replacements);
	;;
	;;
	}

	if($method==2) while($N-->0) {
	;;
	;;
	;; $tmp = str_replace($testString,$replace1,$replace2);
	;;
	;;
	}

	if($method==3) while($N-->0) {
	;;
	;;
	;;
	;;
	;;
	}

	}

	$m = min(ms()-$t,$m);
	}

	switch($magnitude) {
	case 'nanoseconds': {$div=1000000;break;}
	case 'microseconds': {$div=1000;break;}
	case 'milliseconds': {$div=1;break;}
	}

	printf("Method $method's best time: <b>%11.{$decimals}f</b> ticks\n",$m/($innerLoops/$div));
	}

	?></pre>
	</body>
	</html>
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