Test: ob_start vs. not (no output)

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Result: Discarded

The test labeled "ob_start()" was the faster by 0.0167 seconds, (3.120% faster)

ob_start() 100%

not 96.88%

The ob_start() test took 0.5194 seconds.
The not test took 0.5361 seconds.

Nitty-Gritty

Each test case ran 20 random code order iterations consisting of 129,854 loops for a total of 2,597,080 runs.

Line execution difference (0.000006) milliseconds.
Avg difference (0.836) milliseconds per 129,854 loops.
Total difference 16.73 milliseconds for 2,597,080 loops

The iteration variablity for Code 1 was (1.6106) milliseconds and Code 2 was (1.9307) milliseconds. The lower and the closer together there values are the more accurate the results are.

Code

The first test, "ob_start()", was:

ob_start();

for ($i = 0; $i < 20; $i++)
	$GLOBALS['dummy2'] = $i * 2;

ob_end_clean();

The second test, "not", was:

for ($i = 0; $i < 20; $i++)
	$GLOBALS['dummy2'] = $i * 2;

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