mirror of
https://github.com/php/php-src.git
synced 2024-12-01 05:43:38 +08:00
420 lines
7.2 KiB
PHP
420 lines
7.2 KiB
PHP
<?php
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function simple() {
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$a = 0;
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for ($i = 0; $i < 1000000; $i++)
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$a++;
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$thisisanotherlongname = 0;
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for ($thisisalongname = 0; $thisisalongname < 1000000; $thisisalongname++)
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$thisisanotherlongname++;
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}
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/****/
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function simplecall() {
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for ($i = 0; $i < 1000000; $i++)
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strlen("hallo");
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}
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/****/
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function hallo($a) {
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}
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function simpleucall() {
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for ($i = 0; $i < 1000000; $i++)
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hallo("hallo");
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}
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/****/
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function simpleudcall() {
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for ($i = 0; $i < 1000000; $i++)
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hallo2("hallo");
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}
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function hallo2($a) {
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}
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/****/
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function mandel() {
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$w1=50;
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$h1=150;
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$recen=-.45;
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$imcen=0.0;
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$r=0.7;
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$s=0; $rec=0; $imc=0; $re=0; $im=0; $re2=0; $im2=0;
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$x=0; $y=0; $w2=0; $h2=0; $color=0;
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$s=2*$r/$w1;
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$w2=40;
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$h2=12;
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for ($y=0 ; $y<=$w1; $y=$y+1) {
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$imc=$s*($y-$h2)+$imcen;
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for ($x=0 ; $x<=$h1; $x=$x+1) {
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$rec=$s*($x-$w2)+$recen;
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$re=$rec;
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$im=$imc;
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$color=1000;
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$re2=$re*$re;
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$im2=$im*$im;
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while( ((($re2+$im2)<1000000) && $color>0)) {
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$im=$re*$im*2+$imc;
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$re=$re2-$im2+$rec;
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$re2=$re*$re;
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$im2=$im*$im;
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$color=$color-1;
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}
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if ( $color==0 ) {
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print "_";
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} else {
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print "#";
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}
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}
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print "<br>";
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flush();
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}
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}
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/****/
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function mandel2() {
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$b = " .:,;!/>)|&IH%*#";
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//float r, i, z, Z, t, c, C;
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for ($y=30; printf("\n"), $C = $y*0.1 - 1.5, $y--;){
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for ($x=0; $c = $x*0.04 - 2, $z=0, $Z=0, $x++ < 75;){
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for ($r=$c, $i=$C, $k=0; $t = $z*$z - $Z*$Z + $r, $Z = 2*$z*$Z + $i, $z=$t, $k<5000; $k++)
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if ($z*$z + $Z*$Z > 500000) break;
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echo $b[$k%16];
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}
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}
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}
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/****/
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function Ack($m, $n){
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if($m == 0) return $n+1;
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if($n == 0) return Ack($m-1, 1);
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return Ack($m - 1, Ack($m, ($n - 1)));
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}
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function ackermann($n) {
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$r = Ack(3,$n);
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print "Ack(3,$n): $r\n";
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}
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/****/
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function ary($n) {
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for ($i=0; $i<$n; $i++) {
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$X[$i] = $i;
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}
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for ($i=$n-1; $i>=0; $i--) {
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$Y[$i] = $X[$i];
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}
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$last = $n-1;
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print "$Y[$last]\n";
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}
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/****/
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function ary2($n) {
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for ($i=0; $i<$n;) {
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$X[$i] = $i; ++$i;
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$X[$i] = $i; ++$i;
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$X[$i] = $i; ++$i;
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$X[$i] = $i; ++$i;
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$X[$i] = $i; ++$i;
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$X[$i] = $i; ++$i;
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$X[$i] = $i; ++$i;
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$X[$i] = $i; ++$i;
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$X[$i] = $i; ++$i;
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$X[$i] = $i; ++$i;
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}
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for ($i=$n-1; $i>=0;) {
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$Y[$i] = $X[$i]; --$i;
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$Y[$i] = $X[$i]; --$i;
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$Y[$i] = $X[$i]; --$i;
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$Y[$i] = $X[$i]; --$i;
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$Y[$i] = $X[$i]; --$i;
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$Y[$i] = $X[$i]; --$i;
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$Y[$i] = $X[$i]; --$i;
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$Y[$i] = $X[$i]; --$i;
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$Y[$i] = $X[$i]; --$i;
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$Y[$i] = $X[$i]; --$i;
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}
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$last = $n-1;
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print "$Y[$last]\n";
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}
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/****/
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function ary3($n) {
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for ($i=0; $i<$n; $i++) {
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$X[$i] = $i + 1;
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$Y[$i] = 0;
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}
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for ($k=0; $k<1000; $k++) {
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for ($i=$n-1; $i>=0; $i--) {
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$Y[$i] += $X[$i];
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}
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}
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$last = $n-1;
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print "$Y[0] $Y[$last]\n";
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}
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/****/
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function fibo_r($n){
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return(($n < 2) ? 1 : fibo_r($n - 2) + fibo_r($n - 1));
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}
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function fibo($n) {
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$r = fibo_r($n);
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print "$r\n";
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}
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/****/
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function hash($n) {
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for ($i = 1; $i <= $n; $i++) {
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$X[dechex($i)] = $i;
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}
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$c = 0;
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for ($i = $n; $i > 0; $i--) {
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if ($X[dechex($i)]) { $c++; }
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}
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print "$c\n";
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}
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/****/
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function hash2($n) {
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for ($i = 0; $i < $n; $i++) {
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$hash1["foo_$i"] = $i;
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$hash2["foo_$i"] = 0;
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}
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for ($i = $n; $i > 0; $i--) {
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foreach($hash1 as $key => $value) $hash2[$key] += $value;
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}
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$first = "foo_0";
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$last = "foo_".($n-1);
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print "$hash1[$first] $hash1[$last] $hash2[$first] $hash2[$last]\n";
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}
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/****/
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function gen_random ($n) {
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global $LAST;
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return( ($n * ($LAST = ($LAST * IA + IC) % IM)) / IM );
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}
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function heapsort_r($n, &$ra) {
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$l = ($n >> 1) + 1;
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$ir = $n;
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while (1) {
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if ($l > 1) {
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$rra = $ra[--$l];
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} else {
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$rra = $ra[$ir];
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$ra[$ir] = $ra[1];
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if (--$ir == 1) {
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$ra[1] = $rra;
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return;
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}
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}
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$i = $l;
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$j = $l << 1;
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while ($j <= $ir) {
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if (($j < $ir) && ($ra[$j] < $ra[$j+1])) {
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$j++;
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}
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if ($rra < $ra[$j]) {
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$ra[$i] = $ra[$j];
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$j += ($i = $j);
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} else {
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$j = $ir + 1;
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}
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}
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$ra[$i] = $rra;
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}
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}
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function heapsort($N) {
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global $LAST;
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define("IM", 139968);
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define("IA", 3877);
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define("IC", 29573);
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$LAST = 42;
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for ($i=1; $i<=$N; $i++) {
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$ary[$i] = gen_random(1);
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}
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heapsort_r($N, $ary);
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printf("%.10f\n", $ary[$N]);
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}
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/****/
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function mkmatrix ($rows, $cols) {
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$count = 1;
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$mx = array();
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for ($i=0; $i<$rows; $i++) {
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for ($j=0; $j<$cols; $j++) {
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$mx[$i][$j] = $count++;
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}
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}
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return($mx);
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}
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function mmult ($rows, $cols, $m1, $m2) {
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$m3 = array();
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for ($i=0; $i<$rows; $i++) {
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for ($j=0; $j<$cols; $j++) {
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$x = 0;
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for ($k=0; $k<$cols; $k++) {
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$x += $m1[$i][$k] * $m2[$k][$j];
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}
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$m3[$i][$j] = $x;
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}
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}
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return($m3);
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}
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function matrix($n) {
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$SIZE = 30;
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$m1 = mkmatrix($SIZE, $SIZE);
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$m2 = mkmatrix($SIZE, $SIZE);
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while ($n--) {
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$mm = mmult($SIZE, $SIZE, $m1, $m2);
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}
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print "{$mm[0][0]} {$mm[2][3]} {$mm[3][2]} {$mm[4][4]}\n";
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}
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/****/
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function nestedloop($n) {
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$x = 0;
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for ($a=0; $a<$n; $a++)
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for ($b=0; $b<$n; $b++)
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for ($c=0; $c<$n; $c++)
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for ($d=0; $d<$n; $d++)
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for ($e=0; $e<$n; $e++)
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for ($f=0; $f<$n; $f++)
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$x++;
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print "$x\n";
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}
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/****/
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function sieve($n) {
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$count = 0;
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while ($n-- > 0) {
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$count = 0;
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$flags = range (0,8192);
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for ($i=2; $i<8193; $i++) {
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if ($flags[$i] > 0) {
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for ($k=$i+$i; $k <= 8192; $k+=$i) {
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$flags[$k] = 0;
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}
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$count++;
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}
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}
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}
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print "Count: $count\n";
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}
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/****/
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function strcat($n) {
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$str = "";
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while ($n-- > 0) {
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$str .= "hello\n";
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}
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$len = strlen($str);
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print "$len\n";
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}
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/*****/
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function getmicrotime()
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{
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$t = gettimeofday();
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return ($t['sec'] + $t['usec'] / 1000000);
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}
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function start_test()
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{
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ob_start();
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return getmicrotime();
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}
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function end_test($start, $name)
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{
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global $total;
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$end = getmicrotime();
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ob_end_clean();
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$total += $end-$start;
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$num = number_format($end-$start,3);
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$pad = str_repeat(" ", 24-strlen($name)-strlen($num));
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echo $name.$pad.$num."\n";
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ob_start();
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return getmicrotime();
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}
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function total()
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{
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global $total;
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$pad = str_repeat("-", 24);
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echo $pad."\n";
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$num = number_format($total,3);
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$pad = str_repeat(" ", 24-strlen("Total")-strlen($num));
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echo "Total".$pad.$num."\n";
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}
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$t0 = $t = start_test();
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simple();
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$t = end_test($t, "simple");
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simplecall();
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$t = end_test($t, "simplecall");
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simpleucall();
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$t = end_test($t, "simpleucall");
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simpleudcall();
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$t = end_test($t, "simpleudcall");
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mandel();
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$t = end_test($t, "mandel");
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mandel2();
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$t = end_test($t, "mandel2");
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ackermann(7);
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$t = end_test($t, "ackermann(7)");
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ary(50000);
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$t = end_test($t, "ary(50000)");
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ary2(50000);
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$t = end_test($t, "ary2(50000)");
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ary3(2000);
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$t = end_test($t, "ary3(2000)");
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fibo(30);
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$t = end_test($t, "fibo(30)");
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hash(50000);
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$t = end_test($t, "hash(50000)");
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hash2(500);
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$t = end_test($t, "hash2(500)");
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heapsort(20000);
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$t = end_test($t, "heapsort(20000)");
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matrix(20);
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$t = end_test($t, "matrix(20)");
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nestedloop(12);
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$t = end_test($t, "nestedloop(12)");
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sieve(30);
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$t = end_test($t, "sieve(30)");
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strcat(200000);
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$t = end_test($t, "strcat(200000)");
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total($t0, "Total");
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?>
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