Diff Report
Run #52c8629919553: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52c862ea26981: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #52c8629919553Run #52c862ea26981DiffDiff%
Number of Function Calls135 135 0 0.0%
Incl. Wall Time (microsec)1,043 1,026 -17 -1.6%
Incl. Wall Time (microsec) per call 8 8 -0 -1.6%
Excl. Wall Time (microsec)469 479 10 2.1%
Incl. CPU (microsecs)1,136 1,122 -14 -1.2%
Incl. CPU (microsecs) per call 8 8 -0 -1.2%
Excl. CPU (microsec)469 484 15 3.2%
Incl. MemUse (bytes)128,488 128,488 0 0.0%
Incl. MemUse (bytes) per call 952 952 0 0.0%
Excl. MemUse (bytes)120,040 120,040 0 0.0%
Incl. PeakMemUse (bytes)14,560 14,656 96 0.7%
Incl. PeakMemUse (bytes) per call 108 109 1 0.7%
Excl. PeakMemUse (bytes)12,752 12,848 96 0.8%

Parent/Child Regression/Improvement report for PDO::prepare [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
PDO::prepare0 N/A% -17 -26.6% -14 -7.9% 0 0.0% 96 0.4%
Exclusive Metrics Diff for Current Function10 58.8% 15 107.1% 0 N/A% 96 100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% -17 -100.0% -14 -100.0% 0 N/A% 96 100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% -27 -158.8% -29 -207.1% 0 N/A% 0 0.0%