Diff Report
Run #519eb880e5974: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb7a1537f7: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\SystemListing::scanDirectory

Drupal\Core\SystemListing::scanDirectoryRun #519eb880e5974Run #519eb7a1537f7DiffDiff%
Number of Function Calls4 -4 -100.0%
Incl. Wall Time (microsec)3,238 -3,238 -100.0%
Incl. Wall Time (microsec) per call 810 N/A -810 -100.0%
Excl. Wall Time (microsec)189 -189 -100.0%
Incl. CPU (microsecs)3,243 -3,243 -100.0%
Incl. CPU (microsecs) per call 811 N/A -811 -100.0%
Excl. CPU (microsec)148 -148 -100.0%
Incl. MemUse (bytes)15,448 -15,448 -100.0%
Incl. MemUse (bytes) per call 3,862 N/A -3,862 -100.0%
Excl. MemUse (bytes)-8 8 100.0%
Incl. PeakMemUse (bytes)15,396 -15,396 -100.0%
Incl. PeakMemUse (bytes) per call 3,849 N/A -3,849 -100.0%
Excl. PeakMemUse (bytes)1,688 -1,688 -100.0%

Parent/Child Regression/Improvement report for Drupal\Core\SystemListing::scanDirectory [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
Drupal\Core\SystemListing::scanDirectory-4 -9.5% -3,238 -90.3% -3,243 -3148.5% -15,448 -6.6% -15,396 -9.9%
Exclusive Metrics Diff for Current Function-189 -5.8% -148 -4.6% 8 0.1% -1,688 -11.0%
Parent function
Drupal\Core\SystemListing::scan-4 -100.0% -3,238 -100.0% -3,243 -100.0% -15,448 -100.0% -15,396 -100.0%
Child functions
Drupal\Core\SystemListing::scanDirectory@1-4 -10.5% -2,821 -87.1% -2,825 -87.1% -11,500 -74.4% -11,440 -74.3%
readdir-11 -28.9% -82 -2.5% -98 -3.0% -588 -3.8% -344 -2.2%
is_dir-9 -23.7% -64 -2.0% -73 -2.3% -212 -1.4% -212 -1.4%
opendir-2 -5.3% -36 -1.1% -37 -1.1% -856 -5.5% -676 -4.4%
preg_match-6 -15.8% -20 -0.6% -27 -0.8% -444 -2.9% -344 -2.2%
array_merge-4 -10.5% -14 -0.4% -20 -0.6% -1,832 -11.9% -692 -4.5%
closedir-2 -5.3% -12 -0.4% -15 -0.5% -24 -0.2% 0 0.0%