Diff Report
Run #5196ef15c751e: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #5196effcededb: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #5196ef15c751eRun #5196effcededbDiffDiff%
Number of Function Calls112 112 0 0.0%
Incl. Wall Time (microsec)23,119 14,321 -8,798 -38.1%
Incl. Wall Time (microsec) per call 206 128 -79 -38.1%
Excl. Wall Time (microsec)5,175 3,238 -1,937 -37.4%
Incl. CPU (microsecs)0 12,001 12,001 N/A%
Incl. CPU (microsecs) per call 0 107 107 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)193,768 193,768 0 0.0%
Incl. MemUse (bytes) per call 1,730 1,730 0 0.0%
Excl. MemUse (bytes)-21,136 -21,136 0 0.0%
Incl. PeakMemUse (bytes)63,200 63,200 0 0.0%
Incl. PeakMemUse (bytes) per call 564 564 0 0.0%
Excl. PeakMemUse (bytes)3,856 3,856 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Connection::prepareQuery [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
Drupal\Core\Database\Connection::prepareQuery0 N/A% -8,798 -0.7% 12,001 300.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-1,937 -22.0% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -8,798 -100.0% 12,001 100.0% 0 N/A% 0 N/A%
Child functions
PDO::prepare0 N/A% -4,181 -47.5% 8,001 66.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::prefixTables0 N/A% -2,680 -30.5% 4,000 33.3% 0 N/A% 0 N/A%