PHP Benchmarks

Performance comparison of PHP code alternatives.

Test: fcall vs. call_user_func

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Historical Results

Based on (1) saved test runs, The test labeled "fcall" was (on average) the faster by 0.0061 seconds, (0.675% faster)

fcall 100%
call_user_func() 99.325%

The fcall test took 0.8957 seconds.
The call_user_func() test took 0.9018 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 246,869 loops for a total of 4,937,380 runs.

  • Line execution difference (0.000001) milliseconds.
  • Avg difference (0.000) milliseconds per 246,869 loops.
  • Total difference 6.08 milliseconds for 4,937,380 loops

The iteration variablity for Code 1 was (0.0000) milliseconds and Code 2 was (0.0000) 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($i)
{
	for ($i = 0; $i < 20; $i++)
		$GLOBALS['dummy'] + $i;
}
*/

do_something(74);

The second test, "call_user_func()", was:

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

call_user_func('do_something', 74);

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