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

drupal_validate_utf8Run #517c1bb406b02Run #517c1c27a12c9DiffDiff%
Number of Function Calls154 4 -150 -97.4%
Incl. Wall Time (microsec)1,195 35 -1,160 -97.1%
Incl. Wall Time (microsec) per call 8 9 1 12.8%
Excl. Wall Time (microsec)744 25 -719 -96.6%
Incl. CPU (microsecs)1,304 40 -1,264 -96.9%
Incl. CPU (microsecs) per call 8 10 2 18.1%
Excl. CPU (microsec)546 19 -527 -96.5%
Incl. MemUse (bytes)10,320 3,120 -7,200 -69.8%
Incl. MemUse (bytes) per call 67 780 713 1064.0%
Excl. MemUse (bytes)8,776 1,576 -7,200 -82.0%
Incl. PeakMemUse (bytes)3,064 2,648 -416 -13.6%
Incl. PeakMemUse (bytes) per call 20 662 642 3227.3%
Excl. PeakMemUse (bytes)1,736 1,512 -224 -12.9%

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_utf8-150 -33.3% -1,160 -0.4% -1,264 -1.1% -7,200 -1.6% -416 -0.1%
Exclusive Metrics Diff for Current Function-719 -62.0% -527 -41.7% -7,200 -100.0% -224 -53.8%
Parent function
filter_xss-150 -100.0% -1,160 -100.0% -1,264 -100.0% -7,200 -100.0% -416 -100.0%
Child functions
preg_match-150 -50.0% -396 -34.1% -541 -42.8% 0 0.0% -192 -46.2%
strlen-150 -50.0% -45 -3.9% -196 -15.5% 0 0.0% 0 0.0%