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<?php $start = microtime(true); for ($i = 0; $i < 10000000; $i++) { 2 ** 16; } echo "Pow operator: " . (microtime(true) - $start) . "\n"; $start = microtime(true); for ($i = 0; $i < 10000000; $i++) { pow(2, 16); } echo "Pow function: " . (microtime(true) - $start) . "\n";
Output for git.master_jit
Pow operator: 0.028731107711792 Pow function: 0.14833688735962
Output for git.master
Pow operator: 0.02738094329834 Pow function: 0.15538120269775

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