Diff Report
Run #539205a48c548: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #539206aca7ae8: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for file_exists

file_existsRun #539205a48c548Run #539206aca7ae8DiffDiff%
Number of Function Calls110 118 8 7.3%
Incl. Wall Time (microsec)1,427 1,487 60 4.2%
Incl. Wall Time (microsec) per call 13 13 -0 -2.9%
Excl. Wall Time (microsec)534 572 38 7.1%
Incl. CPU (microsecs)1,541 1,635 94 6.1%
Incl. CPU (microsecs) per call 14 14 -0 -1.1%
Excl. CPU (microsec)640 713 73 11.4%
Incl. MemUse (bytes)9,140 9,144 4 0.0%
Incl. MemUse (bytes) per call 83 77 -6 -6.7%
Excl. MemUse (bytes)-11,048 -11,032 16 0.1%
Incl. PeakMemUse (bytes)5,268 5,616 348 6.6%
Incl. PeakMemUse (bytes) per call 48 48 -0 -0.6%
Excl. PeakMemUse (bytes)2,100 2,444 344 16.4%

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_exists8 100.0% 60 1.3% 94 2.5% 4 0.0% 348 0.4%
Exclusive Metrics Diff for Current Function38 63.3% 73 77.7% 16 400.0% 344 98.9%
Parent functions
Drupal\Core\Asset\JsCollectionOptimizer::optimize0 0.0% 26 43.3% 25 26.6% 0 0.0% 0 0.0%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getFullPath4 50.0% 25 41.7% 30 31.9% 0 0.0% 0 0.0%
Drupal\Component\PhpStorage\MTimeProtectedFileStorage::checkFile4 50.0% 16 26.7% 31 33.0% 0 0.0% 0 0.0%
Drupal\Core\Asset\CssCollectionOptimizer::optimize0 0.0% -5 -8.3% -1 -1.1% 4 100.0% 4 1.1%
Composer\Autoload\ClassLoader::findFileWithExtension0 0.0% -1 -1.7% 1 1.1% 0 0.0% 0 0.0%
Drupal\Core\Template\TwigEnvironment::__construct0 0.0% -1 -1.7% 6 6.4% 0 0.0% 344 98.9%
theme_get_setting0 0.0% 0 0.0% 1 1.1% 0 0.0% 0 0.0%
find_conf_path0 0.0% 0 0.0% 1 1.1% 0 0.0% 0 0.0%
Child function
Drupal\Core\StreamWrapper\LocalStream::url_stat0 N/A% 22 36.7% 21 22.3% -12 -300.0% 4 1.1%