PHP server integer, floating-point, data IO capability test function

code is as follows	copy code
function Test_int () { $timeStart = Gettimeofday (); for ($i = 0; $i < 3000000; $i + +); { $t = 1+1; } $timeEnd = Gettimeofday (); $time = ($timeEnd ["USEC"]-$timeStart ["USEC"])/1000000+ $timeEnd [sec]]-$timeStart [sec]; $time = Round ($time, 3). " Seconds "; return $time; }

/*--------
Floating point arithmetic capability test
----------*/

code is as follows	copy code
function test_float ()     {         $t = Pi ();          $timeStart = Gettimeofday ();         for ($i = 0; $i < 3000000; $i + +);         {              sqrt ($t);        }         $timeEnd = Gettimeofday ();         $time = ($timeEnd ["USEC"]-$timeStart ["USEC"])/1000000+ $timeEnd [" SEC "]-$timeStart [sec];         $time = Round ($time, 3). " Seconds ";         return $time;    }

/*-----
Data IO capability test
-----*/

The code is as follows	Copy Code
function Test_io () { $fp = fopen (phpself, "R"); $timeStart = Gettimeofday (); for ($i = 0; $i < 10000; $i + +) { Fread ($fp, 10240); Rewind ($FP); } $timeEnd = Gettimeofday (); Fclose ($FP); $time = ($timeEnd ["USEC"]-$timeStart ["USEC"])/1000000+ $timeEnd [sec]]-$timeStart [sec]; $time = Round ($time, 3). " Seconds "; return ($time); }

/*
Many companies have written their own relevant server probe testing tools, we provide you with just three kinds of simple integer operations, floating-point operations, and IO data output pressure test.