Diff Report
Run #519c116ac5313: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c146573182: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #519c116ac5313Run #519c146573182DiffDiff%
Number of Function Calls135 135 0 0.0%
Incl. Wall Time (microsec)2,126 2,141 15 0.7%
Incl. Wall Time (microsec) per call 16 16 0 0.7%
Excl. Wall Time (microsec)1,017 1,012 -5 -0.5%
Incl. CPU (microsecs)2,257 2,258 1 0.0%
Incl. CPU (microsecs) per call 17 17 0 0.0%
Excl. CPU (microsec)1,022 1,012 -10 -1.0%
Incl. MemUse (bytes)116,368 116,368 0 0.0%
Incl. MemUse (bytes) per call 862 862 0 0.0%
Excl. MemUse (bytes)115,308 115,308 0 0.0%
Incl. PeakMemUse (bytes)25,456 25,372 -84 -0.3%
Incl. PeakMemUse (bytes) per call 189 188 -1 -0.3%
Excl. PeakMemUse (bytes)24,368 24,284 -84 -0.3%

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% 15 0.0% 1 0.0% 0 0.0% -84 -0.0%
Exclusive Metrics Diff for Current Function-5 -33.3% -10 -1000.0% 0 N/A% -84 -100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 15 100.0% 1 100.0% 0 N/A% -84 -100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 20 133.3% 11 1100.0% 0 N/A% 0 0.0%