Diff Report
Run #519fbb3f5c2a0: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fbcb7249d1: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #519fbb3f5c2a0Run #519fbcb7249d1DiffDiff%
Number of Function Calls130 130 0 0.0%
Incl. Wall Time (microsec)1,198 1,210 12 1.0%
Incl. Wall Time (microsec) per call 9 9 0 1.0%
Excl. Wall Time (microsec)584 580 -4 -0.7%
Incl. CPU (microsecs)1,296 1,307 11 0.8%
Incl. CPU (microsecs) per call 10 10 0 0.8%
Excl. CPU (microsec)576 583 7 1.2%
Incl. MemUse (bytes)121,560 121,576 16 0.0%
Incl. MemUse (bytes) per call 935 935 0 0.0%
Excl. MemUse (bytes)113,352 113,352 0 0.0%
Incl. PeakMemUse (bytes)7,144 7,280 136 1.9%
Incl. PeakMemUse (bytes) per call 55 56 1 1.9%
Excl. PeakMemUse (bytes)7,144 7,280 136 1.9%

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% 12 3.1% 11 3.4% 16 0.0% 136 0.3%
Exclusive Metrics Diff for Current Function-4 -33.3% 7 63.6% 0 0.0% 136 100.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 12 100.0% 11 100.0% 16 100.0% 136 100.0%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 16 133.3% 4 36.4% 16 100.0% 0 0.0%