Diff Report
Run #519fe7ae1f6cc: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fe8bb569af: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #519fe7ae1f6ccRun #519fe8bb569afDiffDiff%
Number of Function Calls126 126 0 0.0%
Incl. Wall Time (microsec)3,469 3,518 49 1.4%
Incl. Wall Time (microsec) per call 28 28 0 1.4%
Excl. Wall Time (microsec)816 840 24 2.9%
Incl. CPU (microsecs)3,608 3,646 38 1.1%
Incl. CPU (microsecs) per call 29 29 0 1.1%
Excl. CPU (microsec)714 727 13 1.8%
Incl. MemUse (bytes)134,648 134,648 0 0.0%
Incl. MemUse (bytes) per call 1,069 1,069 0 0.0%
Excl. MemUse (bytes)-21,336 -21,336 0 0.0%
Incl. PeakMemUse (bytes)43,272 43,272 0 0.0%
Incl. PeakMemUse (bytes) per call 343 343 0 0.0%
Excl. PeakMemUse (bytes)2,280 2,280 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% 49 4.0% 38 7.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function24 49.0% 13 34.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 49 100.0% 38 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% 14 28.6% 12 31.6% 0 N/A% 0 N/A%
PDO::prepare0 N/A% 11 22.4% 13 34.2% 0 N/A% 0 N/A%