> On 21 Oct 2014, at 09:35, Dmitry Stogov <[email protected]> wrote:
>
> I expect, it'll make some slowdown for all PHP scripts, independently, if they use BIGINT
> or not.
> I'll try to take a deeper look into the patch later...
>
> Could you provide some benchmark results, comparing your patch with master?
I finally made the requested benchmarks. There’s barely a noticeable difference, though the bigint
branch is apparently marginally faster (most likely from getting rid of fast_increment_function):
master bigint
0.344788074 0.339091063
0.34658289 0.361176014
0.376623154 0.346175194
0.35006094 0.359763861
0.352533817 0.341754198
0.354025841 0.357409
0.360356092 0.379124165
0.367921829 0.351316929
0.370724916 0.373735189
0.351090908 0.346349001
0.355952978 0.356275797
average 0.357332858 0.355651855
(Times in seconds, smaller is better.)
Script:
<?php
$start = microtime(true);
for ($i = 0; $i < 1000000; $i++) {
$a = 2 * 3;
$b = $a - 3;
$c = $a * $b;
$d = $c / $c;
}
$end = microtime(true);
echo "took ", $end - $start, " secs\n”;
?>
I ran the script several times, then took the results and put them into Excel to produce the above
table with its averages.
So common scripts are either unaffected, or will run ever-so-slightly faster.
--
Andrea Faulds
http://ajf.me/