Diff Report
Run #519d45a7cd8f5: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d44ffb3845: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #519d45a7cd8f5Run #519d44ffb3845DiffDiff%
Number of Function Calls170 170 0 0.0%
Incl. Wall Time (microsec)5,711 5,735 24 0.4%
Incl. Wall Time (microsec) per call 34 34 0 0.4%
Excl. Wall Time (microsec)1,374 1,375 1 0.1%
Incl. CPU (microsecs)5,897 5,922 25 0.4%
Incl. CPU (microsecs) per call 35 35 0 0.4%
Excl. CPU (microsec)1,214 1,236 22 1.8%
Incl. MemUse (bytes)146,576 146,576 0 0.0%
Incl. MemUse (bytes) per call 862 862 0 0.0%
Excl. MemUse (bytes)-25,612 -25,612 0 0.0%
Incl. PeakMemUse (bytes)47,292 47,292 0 0.0%
Incl. PeakMemUse (bytes) per call 278 278 0 0.0%
Excl. PeakMemUse (bytes)668 668 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% 24 1.0% 25 5.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function1 4.2% 22 88.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 24 100.0% 25 100.0% 0 N/A% 0 N/A%
Child functions
PDO::prepare0 N/A% 21 87.5% 9 36.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::prefixTables0 N/A% 2 8.3% -6 -24.0% 0 N/A% 0 N/A%