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 "no fcall" was the faster by 0.0828 seconds, (6.917% faster)

no fcall 100%
fcall 93.083%

The no fcall test took 1.1146 seconds.
The fcall test took 1.1974 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 271,432 loops for a total of 5,428,640 runs.

  • Line execution difference (0.000015) milliseconds.
  • Avg difference (4.141) milliseconds per 271,432 loops.
  • Total difference 82.82 milliseconds for 5,428,640 loops

The iteration variablity for Code 1 was (6.8047) milliseconds and Code 2 was (7.5364) 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 (7.2.34-8+ubuntu16.04.1+deb.sury.org+1)