PHP Benchmarks

Performance comparison of PHP code alternatives.

Test: fcall vs. not (non-trivial)

No Description

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Result: Discarded

The test labeled "fcall" was the faster by 0.0325 seconds, (5.485% faster)

fcall 100%
no fcall 94.515%

The fcall test took 0.5604 seconds.
The no fcall test took 0.593 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 135,672 loops for a total of 2,713,440 runs.

  • Line execution difference (0.000012) milliseconds.
  • Avg difference (1.626) milliseconds per 135,672 loops.
  • Total difference 32.53 milliseconds for 2,713,440 loops

The iteration variablity for Code 1 was (2.2495) milliseconds and Code 2 was (2.9406) milliseconds. The lower and the closer together there values are the more accurate the results are.

Code

The first test, "fcall", was:

/*
function do_something()
{
	for ($i = 0; $i < 20; $i++)
		$GLOBALS['dummy'] + $i;
}
*/

do_something();

The second test, "no fcall", was:

for ($i = 0; $i < 20; $i++)
	$GLOBALS['dummy'] + $i;

Running: Linux (x86_64:1 GB) PHP (7.2.15-1+ubuntu16.04.1+deb.sury.org+1)