Online PHP editor | perf for rvVrI

@ 2014-11-12T13:55:03Z

<?php
 function distribute ($sum, $number, $base = 130, $part2 = 30 ,$relation = 4,  &$h3=12, $debug=false) {


		$outp = "";
		$result = array();

		$outp.= "SUM: $sum <br> NUM: $number <br> BASE: $base <br>";

		$C2 = $relation;
		$p1 = min (3,$number);
		$p2 = floor(($number-$p1) * $part2);

		$outp .= "$number $p1 $part2 <br>" ;
		$b = $number * $base; 

		$p3 = $number - ($p1 + $p2);

		$outp.= "part1: $p1<br> part2: $p2<br>  part3: $p3 <br><br>";

		if ($debug) echo $h3;

		if ($h3==-1) $h3=ceil(($number/5)*ceil($base/10));

		if ($debug) echo $h3;

		$v3 = $h3 * ($p1+$p2);
		$t3=0;

		$hh = triangleHeights($h3,$p3);
		$k=0;
		for ($i=$p1+$p2+1; $i<=$p1+$p2+$p3; $i++) {
			$result[$i]=$base+$hh[$k];
			$t3+=$hh[$k];
			$k++;
		}

		$top = $sum - $b - $t3 - $v3; 

		/

		$h2=floor($top / ($p1+0.5*$C2*$p1+0.5*$p2)); 
		$h1=$C2*$h2;
		if ($h2 == 0 ) $h1=2*$top/$p1;

		$v2 = $h2 * $p1;
		$t1 = floor(($p1 * $h1) / 2.0);
		$t2 = floor(($p2 * $h2) / 2.0);

		$left = $top - ($t1+$t2+$v2);

		if ($left>0 && $t1>0)  { 
			$hTmp = (($t1+$left)*$h1)/$t1;
			$h1=$hTmp;
			$t1 += $left;
		}

		$outp.= "t1: $t1<br>t2: $t2<br>t3: $t3<br><br>";

		if ($p2>0) {
			$hh = triangleHeights($h2,$p2,$t2);
			$sm = 0;
			$k=0;
			for ($i=$p1+1;$i<=$p1+$p2;$i++) {
				$result[$i]=$base+$h3+$hh[$k];
				$sm += $hh[$k];
				$k++;
			}
			$outp .="Sum2 is $sm! <br>";
		}

		if ($p1>0) {
			$hh = triangleHeights($h1,$p1,$t1);
			$sm = 0;
			$k=0;
			for ($i=1;$i<=$p1;$i++) {
				$result[$i]=$base+$h2+$h3+$hh[$k];
				$sm += $hh[$k];
				$k++;
			}
			$outp .="Sum1 is $sm! <br>";
		}

		$outp.= "h1: $h1<br>h2: $h2<br>h3: $h3<br><br>";
		$outp.= "v2: $v2<br>v3: $v3 <br> b: $b <br> top: $top<br><br>";

		$sum = 0;
		for ($i=1;$i<=$number;$i++) {
			$sum += $result[$i];
		}

		$outp.= "SUM is $sum<br>";
		if ($debug) echo $outp;
		if ($top<0) $result[1]=-1;

		return $result;
	}

	function triangleHeights ($h, $w, $sum=0) {
		$heights = array();
		for ($i=0;$i<$w;$i++) {
			$hi = ($h*($w-$i)/$w);
			$hi1 = ($h*($w-($i+1))/$w);
			$heights [$i]=floor(($hi+$hi1)/2.0);;
			$sum-=$heights[$i];
		}

		while ($sum>0) {
			$i=0;
			while ($sum>0 && $i<$w) {
				$heights[$i]++;
				$sum--;
				$i++;
			}
		}
		return $heights;
	}
		
	print_r(distribute(90,10,100));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

Version	System time (s)	User time (s)	Memory (MiB)
5.4.34	0.006	0.049	12.03
5.4.32	0.005	0.048	12.53
5.4.31	0.011	0.043	12.53
5.4.30	0.009	0.052	12.53
5.4.29	0.011	0.047	12.52
5.4.28	0.008	0.049	12.42
5.4.27	0.009	0.051	12.42
5.4.26	0.012	0.043	12.42
5.4.25	0.006	0.044	12.42
5.4.24	0.008	0.042	12.42
5.4.23	0.005	0.044	12.41
5.4.22	0.006	0.038	12.41
5.4.21	0.008	0.038	12.41
5.4.20	0.008	0.038	12.41
5.4.19	0.008	0.035	12.41
5.4.18	0.005	0.037	12.41
5.4.17	0.005	0.048	12.42
5.4.16	0.007	0.038	12.41
5.4.15	0.008	0.038	12.41
5.4.14	0.009	0.040	12.10
5.4.13	0.007	0.044	12.08
5.4.12	0.009	0.044	12.04
5.4.11	0.004	0.041	12.04
5.4.10	0.012	0.048	12.04
5.4.9	0.006	0.044	12.05
5.4.8	0.008	0.044	12.05
5.4.7	0.009	0.037	12.04
5.4.6	0.007	0.039	12.04
5.4.5	0.009	0.060	12.04
5.4.4	0.014	0.062	12.03
5.4.3	0.010	0.037	12.02
5.4.2	0.009	0.038	12.02
5.4.1	0.006	0.036	12.02
5.4.0	0.009	0.038	11.52
5.3.29	0.009	0.045	12.80
5.3.28	0.004	0.045	12.70
5.3.27	0.008	0.057	12.73
5.3.26	0.008	0.052	12.72
5.3.25	0.009	0.041	12.72
5.3.24	0.007	0.044	12.71
5.3.23	0.010	0.040	12.70
5.3.22	0.009	0.045	12.68
5.3.21	0.017	0.066	12.68
5.3.20	0.013	0.098	12.68
5.3.19	0.013	0.072	12.68
5.3.18	0.017	0.079	12.67
5.3.17	0.019	0.076	12.67
5.3.16	0.017	0.085	12.68
5.3.15	0.011	0.067	12.67
5.3.14	0.007	0.079	12.66
5.3.13	0.019	0.076	12.66
5.3.12	0.017	0.054	12.66
5.3.11	0.009	0.053	12.65
5.3.10	0.007	0.051	12.14
5.3.9	0.009	0.041	12.12
5.3.8	0.009	0.038	12.11
5.3.7	0.004	0.043	12.11
5.3.6	0.006	0.042	12.10
5.3.5	0.013	0.055	12.04
5.3.4	0.011	0.045	12.04
5.3.3	0.006	0.041	12.00
5.3.2	0.006	0.043	11.78
5.3.1	0.007	0.038	11.75
5.3.0	0.007	0.039	11.73
5.2.17	0.017	0.046	9.23
5.2.16	0.007	0.038	9.24
5.2.15	0.010	0.040	9.24
5.2.14	0.020	0.055	9.23
5.2.13	0.005	0.038	9.20
5.2.12	0.005	0.038	9.20
5.2.11	0.005	0.039	9.21
5.2.10	0.007	0.040	9.20
5.2.9	0.010	0.030	9.20
5.2.8	0.004	0.031	9.20
5.2.7	0.011	0.048	9.20
5.2.6	0.017	0.074	9.15
5.2.5	0.010	0.041	9.12
5.2.4	0.004	0.040	9.09
5.2.3	0.011	0.037	9.07
5.2.2	0.006	0.042	9.06
5.2.1	0.008	0.037	8.97
5.2.0	0.015	0.062	8.82
5.1.6	0.003	0.036	8.12
5.1.5	0.005	0.032	8.11
5.1.4	0.005	0.027	8.09
5.1.3	0.003	0.031	8.43
5.1.2	0.002	0.035	8.46
5.1.1	0.008	0.027	8.19
5.1.0	0.006	0.034	8.19
5.0.5	0.011	0.067	6.68
5.0.4	0.009	0.018	6.53
5.0.3	0.004	0.036	6.35
5.0.2	0.006	0.023	6.31
5.0.1	0.005	0.036	6.29
5.0.0	0.010	0.040	6.28
4.4.9	0.004	0.020	4.78
4.4.8	0.006	0.027	4.75
4.4.7	0.004	0.016	4.75
4.4.6	0.004	0.025	4.76
4.4.5	0.006	0.040	4.77
4.4.4	0.006	0.035	4.70
4.4.3	0.005	0.021	4.75
4.4.2	0.005	0.021	4.84
4.4.1	0.002	0.027	4.85
4.4.0	0.006	0.034	4.76
4.3.11	0.003	0.018	4.67
4.3.10	0.002	0.018	4.67
4.3.9	0.003	0.016	4.63
4.3.8	0.002	0.026	4.58
4.3.7	0.002	0.016	4.63
4.3.6	0.006	0.011	4.63
4.3.5	0.003	0.016	4.63
4.3.4	0.006	0.022	4.54
4.3.3	0.003	0.016	3.30
4.3.2	0.003	0.014	3.28
4.3.1	0.003	0.016	3.24
4.3.0	0.007	0.020	7.09

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