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@2

Drupal\Core\SystemListing::scanDirectory@2Run #519eb880e5974Run #519eb7a1537f7DiffDiff%
Number of Function Calls8 -8 -100.0%
Incl. Wall Time (microsec)1,572 -1,572 -100.0%
Incl. Wall Time (microsec) per call 197 N/A -197 -100.0%
Excl. Wall Time (microsec)739 -739 -100.0%
Incl. CPU (microsecs)1,584 -1,584 -100.0%
Incl. CPU (microsecs) per call 198 N/A -198 -100.0%
Excl. CPU (microsec)571 -571 -100.0%
Incl. MemUse (bytes)4,512 -4,512 -100.0%
Incl. MemUse (bytes) per call 564 N/A -564 -100.0%
Excl. MemUse (bytes)988 -988 -100.0%
Incl. PeakMemUse (bytes)5,068 -5,068 -100.0%
Incl. PeakMemUse (bytes) per call 634 N/A -634 -100.0%
Excl. PeakMemUse (bytes)1,936 -1,936 -100.0%

Parent/Child Regression/Improvement report for Drupal\Core\SystemListing::scanDirectory@2 [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@2-8 -4.1% -1,572 -43.8% -1,584 -1537.9% -4,512 -1.9% -5,068 -3.2%
Exclusive Metrics Diff for Current Function-739 -47.0% -571 -36.0% -988 -21.9% -1,936 -38.2%
Parent function
Drupal\Core\SystemListing::scanDirectory@1-8 -100.0% -1,572 -100.0% -1,584 -100.0% -4,512 -100.0% -5,068 -100.0%
Child functions
readdir-59 -31.4% -261 -16.6% -328 -20.7% -1,616 -35.8% -600 -11.8%
is_dir-43 -22.9% -251 -16.0% -289 -18.2% -580 -12.9% -672 -13.3%
preg_match-70 -37.2% -179 -11.4% -234 -14.8% -444 -9.8% -496 -9.8%
opendir-8 -4.3% -88 -5.6% -97 -6.1% -2,104 -46.6% -1,112 -21.9%
closedir-8 -4.3% -54 -3.4% -65 -4.1% 1,220 27.0% -252 -5.0%