Diff Report
Run #539201f8938f4: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5392041970f3f: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for file_exists

file_existsRun #539201f8938f4Run #5392041970f3fDiffDiff%
Number of Function Calls95 99 4 4.2%
Incl. Wall Time (microsec)1,589 1,617 28 1.8%
Incl. Wall Time (microsec) per call 17 16 -0 -2.3%
Excl. Wall Time (microsec)480 504 24 5.0%
Incl. CPU (microsecs)1,696 1,725 29 1.7%
Incl. CPU (microsecs) per call 18 17 -0 -2.4%
Excl. CPU (microsec)580 600 20 3.4%
Incl. MemUse (bytes)8,348 8,348 0 0.0%
Incl. MemUse (bytes) per call 88 84 -4 -4.0%
Excl. MemUse (bytes)-14,308 -14,308 0 0.0%
Incl. PeakMemUse (bytes)4,288 4,596 308 7.2%
Incl. PeakMemUse (bytes) per call 45 46 1 2.9%
Excl. PeakMemUse (bytes)2,716 3,020 304 11.2%

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_exists4 100.0% 28 1.9% 29 1.1% 0 0.0% 308 0.5%
Exclusive Metrics Diff for Current Function24 85.7% 20 69.0% 0 N/A% 304 98.7%
Parent functions
Drupal\Component\PhpStorage\MTimeProtectedFileStorage::checkFile2 50.0% 7 25.0% 18 62.1% 0 N/A% 0 0.0%
Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::getFullPath2 50.0% 20 71.4% 25 86.2% 0 N/A% 0 0.0%
Drupal\Core\Asset\CssCollectionOptimizer::optimize0 0.0% 18 64.3% 18 62.1% 0 N/A% 4 1.3%
Drupal\Core\Asset\JsCollectionOptimizer::optimize0 0.0% -16 -57.1% -19 -65.5% 0 N/A% 0 0.0%
theme_get_setting0 0.0% 0 0.0% 1 3.4% 0 N/A% 0 0.0%
Drupal\Core\Template\TwigEnvironment::__construct0 0.0% -3 -10.7% -17 -58.6% 0 N/A% 0 0.0%
Composer\Autoload\ClassLoader::findFileWithExtension0 0.0% 0 0.0% 1 3.4% 0 N/A% 0 0.0%
find_conf_path0 0.0% -1 -3.6% -1 -3.4% 0 N/A% 0 0.0%
file_icon_path0 0.0% 3 10.7% 3 10.3% 0 N/A% 304 98.7%
Child function
Drupal\Core\StreamWrapper\LocalStream::url_stat0 N/A% 4 14.3% 9 31.0% 0 N/A% 4 1.3%