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

file_existsRun #539206aca7ae8Run #539205a48c548DiffDiff%
Number of Function Calls118 110 -8 -6.8%
Incl. Wall Time (microsec)1,487 1,427 -60 -4.0%
Incl. Wall Time (microsec) per call 13 13 0 2.9%
Excl. Wall Time (microsec)572 534 -38 -6.6%
Incl. CPU (microsecs)1,635 1,541 -94 -5.7%
Incl. CPU (microsecs) per call 14 14 0 1.1%
Excl. CPU (microsec)713 640 -73 -10.2%
Incl. MemUse (bytes)9,144 9,140 -4 -0.0%
Incl. MemUse (bytes) per call 77 83 6 7.2%
Excl. MemUse (bytes)-11,032 -11,048 -16 -0.1%
Incl. PeakMemUse (bytes)5,616 5,268 -348 -6.2%
Incl. PeakMemUse (bytes) per call 48 48 0 0.6%
Excl. PeakMemUse (bytes)2,444 2,100 -344 -14.1%

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_exists-8 -100.0% -60 -1.3% -94 -2.5% -4 -0.0% -348 -0.4%
Exclusive Metrics Diff for Current Function-38 -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::getFullPath-4 -50.0% -25 -41.7% -30 -31.9% 0 0.0% 0 0.0%
Drupal\Component\PhpStorage\MTimeProtectedFileStorage::checkFile-4 -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%