Diff Report
Run #51c6814c41b47: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51c6824f48b42: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #51c6814c41b47Run #51c6824f48b42DiffDiff%
Number of Function Calls 157 157 N/A%
Incl. Wall Time (microsec) 2,223 2,223 N/A%
Incl. Wall Time (microsec) per call N/A 14 14 N/A%
Excl. Wall Time (microsec) 937 937 N/A%
Incl. CPU (microsecs) 2,337 2,337 N/A%
Incl. CPU (microsecs) per call N/A 15 15 N/A%
Excl. CPU (microsec) 915 915 N/A%
Incl. MemUse (bytes) 144,888 144,888 N/A%
Incl. MemUse (bytes) per call N/A 923 923 N/A%
Excl. MemUse (bytes) 135,384 135,384 N/A%
Incl. PeakMemUse (bytes) 8,736 8,736 N/A%
Incl. PeakMemUse (bytes) per call N/A 56 56 N/A%
Excl. PeakMemUse (bytes) 6,864 6,864 N/A%

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::prepare157 48.6% 2,223 0.2% 2,337 0.2% 144,888 0.8% 8,736 0.0%
Exclusive Metrics Diff for Current Function937 42.2% 915 39.2% 135,384 93.4% 6,864 78.6%
Parent function
Drupal\Core\Database\Connection::prepareQuery157 100.0% 2,223 100.0% 2,337 100.0% 144,888 100.0% 8,736 100.0%
Child function
Drupal\Core\Database\Statement::__construct157 100.0% 1,286 57.8% 1,422 60.8% 9,504 6.6% 1,872 21.4%