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<?php // spl $SplFixedArray = new SplFixedArray(1024 * 1024); // array(); for ($i = 0; $i < 1024 * 1024; ++$i) $SplFixedArray[$i] = 0; echo 'SplFixedArray: ' . memory_get_peak_usage() . PHP_EOL; // 标准array $array = array(1024 * 1024); // array(); for ($i = 0; $i < 1024 * 1024; ++$i) $array[$i] = 0; echo 'Standard array: '.memory_get_peak_usage() . PHP_EOL;
Output for git.master
SplFixedArray: 17165576 Fatal error: Out of memory (allocated 27267072 bytes) (tried to allocate 16777224 bytes) in /in/6Ijqb on line 12 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.
Output for git.master_jit
Fatal error: Out of memory (allocated 2097152 bytes) (tried to allocate 16777216 bytes) in /in/6Ijqb on line 3 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.
Output for rfc.property-hooks
SplFixedArray: 17165528 Fatal error: Out of memory (allocated 27267072 bytes) (tried to allocate 16777224 bytes) in /in/6Ijqb on line 12 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.

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