Diff Report
Run #534ad9c94e95b: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #534ad9c94e95bRun #534ad8dec7444DiffDiff%
Number of Function Calls222 222 0 0.0%
Incl. Wall Time (microsec)6,748 6,859 111 1.6%
Incl. Wall Time (microsec) per call 30 31 1 1.6%
Excl. Wall Time (microsec)1,576 1,597 21 1.3%
Incl. CPU (microsecs)6,990 7,096 106 1.5%
Incl. CPU (microsecs) per call 31 32 0 1.5%
Excl. CPU (microsec)1,359 1,386 27 2.0%
Incl. MemUse (bytes)165,108 165,104 -4 -0.0%
Incl. MemUse (bytes) per call 744 744 -0 -0.0%
Excl. MemUse (bytes)-39,740 -39,740 0 0.0%
Incl. PeakMemUse (bytes)90,772 91,272 500 0.6%
Incl. PeakMemUse (bytes) per call 409 411 2 0.6%
Excl. PeakMemUse (bytes)616 616 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% 111 6.7% 106 21.2% -4 -0.0% 500 2.1%
Exclusive Metrics Diff for Current Function21 18.9% 27 25.5% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 111 100.0% 106 100.0% -4 -100.0% 500 100.0%
Child functions
PDO::prepare0 N/A% 67 60.4% 70 66.0% -4 -100.0% 384 76.8%
Drupal\Core\Database\Connection::prefixTables0 N/A% 23 20.7% 9 8.5% 0 0.0% 116 23.2%