Diff Report
Run #519a4774889dd: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #519a4887d3a25: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #519a4774889ddRun #519a4887d3a25DiffDiff%
Number of Function Calls164 164 0 0.0%
Incl. Wall Time (microsec)14,602 73,602 59,000 404.1%
Incl. Wall Time (microsec) per call 89 449 360 404.1%
Excl. Wall Time (microsec)5,850 28,714 22,864 390.8%
Incl. CPU (microsecs)4,000 12,001 8,001 200.0%
Incl. CPU (microsecs) per call 24 73 49 200.0%
Excl. CPU (microsec)4,000 8,001 4,001 100.0%
Incl. MemUse (bytes)256,264 256,264 0 0.0%
Incl. MemUse (bytes) per call 1,563 1,563 0 0.0%
Excl. MemUse (bytes)240,480 240,480 0 0.0%
Incl. PeakMemUse (bytes)22,344 22,344 0 0.0%
Incl. PeakMemUse (bytes) per call 136 136 0 0.0%
Excl. PeakMemUse (bytes)19,488 19,488 0 0.0%

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% 59,000 0.4% 8,001 200.0% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function22,864 38.8% 4,001 50.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::prepareQuery0 N/A% 59,000 100.0% 8,001 100.0% 0 N/A% 0 N/A%
Child function
Drupal\Core\Database\Statement::__construct0 N/A% 36,136 61.2% 4,000 50.0% 0 N/A% 0 N/A%