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@1

Drupal\Core\SystemListing::scanDirectory@1Run #519eb880e5974Run #519eb7a1537f7DiffDiff%
Number of Function Calls4 -4 -100.0%
Incl. Wall Time (microsec)2,821 -2,821 -100.0%
Incl. Wall Time (microsec) per call 705 N/A -705 -100.0%
Excl. Wall Time (microsec)637 -637 -100.0%
Incl. CPU (microsecs)2,825 -2,825 -100.0%
Incl. CPU (microsecs) per call 706 N/A -706 -100.0%
Excl. CPU (microsec)483 -483 -100.0%
Incl. MemUse (bytes)11,500 -11,500 -100.0%
Incl. MemUse (bytes) per call 2,875 N/A -2,875 -100.0%
Excl. MemUse (bytes)136 -136 -100.0%
Incl. PeakMemUse (bytes)11,440 -11,440 -100.0%
Incl. PeakMemUse (bytes) per call 2,860 N/A -2,860 -100.0%
Excl. PeakMemUse (bytes)2,288 -2,288 -100.0%

Parent/Child Regression/Improvement report for Drupal\Core\SystemListing::scanDirectory@1 [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@1-4 -2.6% -2,821 -78.7% -2,825 -2742.7% -11,500 -4.9% -11,440 -7.3%
Exclusive Metrics Diff for Current Function-637 -22.6% -483 -17.1% -136 -1.2% -2,288 -20.0%
Parent function
Drupal\Core\SystemListing::scanDirectory-4 -100.0% -2,821 -100.0% -2,825 -100.0% -11,500 -100.0% -11,440 -100.0%
Child functions
Drupal\Core\SystemListing::scanDirectory@2-8 -5.3% -1,572 -55.7% -1,584 -56.1% -4,512 -39.2% -5,068 -44.3%
is_dir-30 -19.7% -180 -6.4% -210 -7.4% -368 -3.2% -428 -3.7%
readdir-43 -28.3% -170 -6.0% -215 -7.6% -1,204 -10.5% -440 -3.8%
preg_match-49 -32.2% -127 -4.5% -166 -5.9% -444 -3.9% -344 -3.0%
opendir-4 -2.6% -44 -1.6% -50 -1.8% -1,272 -11.1% -780 -6.8%
closedir-4 -2.6% -31 -1.1% -37 -1.3% 388 3.4% 0 0.0%
Drupal\Core\SystemListingInfo::processFile-3 -2.0% -29 -1.0% -38 -1.3% -1,060 -9.2% -944 -8.3%
array_merge-8 -5.3% -17 -0.6% -25 -0.9% -2,388 -20.8% -752 -6.6%
pathinfo-3 -2.0% -14 -0.5% -17 -0.6% -504 -4.4% -396 -3.5%