Diff Report
Run #517c1c27a12c9: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1bb406b02: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_validate_utf8

drupal_validate_utf8Run #517c1c27a12c9Run #517c1bb406b02DiffDiff%
Number of Function Calls4 154 150 3750.0%
Incl. Wall Time (microsec)35 1,195 1,160 3314.3%
Incl. Wall Time (microsec) per call 9 8 -1 -11.3%
Excl. Wall Time (microsec)25 744 719 2876.0%
Incl. CPU (microsecs)40 1,304 1,264 3160.0%
Incl. CPU (microsecs) per call 10 8 -2 -15.3%
Excl. CPU (microsec)19 546 527 2773.7%
Incl. MemUse (bytes)3,120 10,320 7,200 230.8%
Incl. MemUse (bytes) per call 780 67 -713 -91.4%
Excl. MemUse (bytes)1,576 8,776 7,200 456.9%
Incl. PeakMemUse (bytes)2,648 3,064 416 15.7%
Incl. PeakMemUse (bytes) per call 662 20 -642 -97.0%
Excl. PeakMemUse (bytes)1,512 1,736 224 14.8%

Parent/Child Regression/Improvement report for drupal_validate_utf8 [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_validate_utf8150 33.3% 1,160 0.4% 1,264 1.1% 7,200 1.6% 416 0.1%
Exclusive Metrics Diff for Current Function719 62.0% 527 41.7% 7,200 100.0% 224 53.8%
Parent function
filter_xss150 100.0% 1,160 100.0% 1,264 100.0% 7,200 100.0% 416 100.0%
Child functions
preg_match150 50.0% 396 34.1% 541 42.8% 0 0.0% 192 46.2%
strlen150 50.0% 45 3.9% 196 15.5% 0 0.0% 0 0.0%