Diff Report
Run #526a239923027: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #526a240c73a50: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for file_exists

file_existsRun #526a239923027Run #526a240c73a50DiffDiff%
Number of Function Calls418 428 10 2.4%
Incl. Wall Time (microsec)2,967 3,124 157 5.3%
Incl. Wall Time (microsec) per call 7 7 0 2.8%
Excl. Wall Time (microsec)2,789 2,929 140 5.0%
Incl. CPU (microsecs)3,282 3,474 192 5.9%
Incl. CPU (microsecs) per call 8 8 0 3.4%
Excl. CPU (microsec)3,102 3,278 176 5.7%
Incl. MemUse (bytes)16,496 16,376 -120 -0.7%
Incl. MemUse (bytes) per call 39 38 -1 -3.0%
Excl. MemUse (bytes)3,120 3,136 16 0.5%
Incl. PeakMemUse (bytes)18,736 15,488 -3,248 -17.3%
Incl. PeakMemUse (bytes) per call 45 36 -9 -19.3%
Excl. PeakMemUse (bytes)5,240 4,696 -544 -10.4%

Parent/Child Regression/Improvement report for file_exists [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
file_exists10 100.0% 157 461.8% 192 116.4% -120 -0.1% -3,248 -1.6%
Exclusive Metrics Diff for Current Function140 89.2% 176 91.7% 16 13.3% -544 -16.7%
Parent functions
template_preprocess_image_style_preview1 10.0% 207 131.8% 208 108.3% 10,856 9046.7% 11,736 361.3%
theme_image_style_preview-1 -10.0% -191 -121.7% -191 -99.5% -10,976 -9146.7% -14,984 -461.3%
Composer\Autoload\ClassLoader::findFile0 0.0% 104 66.2% 130 67.7% 0 0.0% 0 0.0%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getFullPath5 50.0% 22 14.0% 23 12.0% 0 0.0% 0 0.0%
Drupal\Component\PhpStorage\MTimeProtectedFileStorage::checkFile5 50.0% 17 10.8% 22 11.5% 0 0.0% 0 0.0%
Drupal\Core\Config\FileStorage::exists0 0.0% -3 -1.9% -3 -1.6% 0 0.0% 0 0.0%
find_conf_path0 0.0% 1 0.6% 0 0.0% 0 0.0% 0 0.0%
twig_init0 0.0% 0 0.0% 1 0.5% 0 0.0% 0 0.0%
theme_get_setting0 0.0% 0 0.0% 2 1.0% 0 0.0% 0 0.0%
Child function
Drupal\Core\StreamWrapper\LocalStream::url_stat0 N/A% 17 10.8% 16 8.3% -136 -113.3% -2,704 -83.3%