Diff Report
Run #517c75d3de7c7: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c76da9b0d3: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_validate_utf8

drupal_validate_utf8Run #517c75d3de7c7Run #517c76da9b0d3DiffDiff%
Number of Function Calls154 4 -150 -97.4%
Incl. Wall Time (microsec)1,160 36 -1,124 -96.9%
Incl. Wall Time (microsec) per call 8 9 1 19.5%
Excl. Wall Time (microsec)745 24 -721 -96.8%
Incl. CPU (microsecs)1,270 40 -1,230 -96.9%
Incl. CPU (microsecs) per call 8 10 2 21.3%
Excl. CPU (microsec)557 19 -538 -96.6%
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)3,320 2,904 -416 -12.5%
Incl. PeakMemUse (bytes) per call 22 726 704 3267.6%
Excl. PeakMemUse (bytes)1,864 1,640 -224 -12.0%

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% -1,124 -0.4% -1,230 -1.2% -7,200 -3.0% -416 -0.1%
Exclusive Metrics Diff for Current Function-721 -64.1% -538 -43.7% -7,200 -100.0% -224 -53.8%
Parent function
filter_xss-150 -100.0% -1,124 -100.0% -1,230 -100.0% -7,200 -100.0% -416 -100.0%
Child functions
preg_match-150 -50.0% -384 -34.2% -523 -42.5% 0 0.0% -192 -46.2%
strlen-150 -50.0% -19 -1.7% -169 -13.7% 0 0.0% 0 0.0%