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

Drupal\Core\Database\Connection::prepareQueryRun #534ad8dec7444Run #534ad9c94e95bDiffDiff%
Number of Function Calls222 222 0 0.0%
Incl. Wall Time (microsec)6,859 6,748 -111 -1.6%
Incl. Wall Time (microsec) per call 31 30 -1 -1.6%
Excl. Wall Time (microsec)1,597 1,576 -21 -1.3%
Incl. CPU (microsecs)7,096 6,990 -106 -1.5%
Incl. CPU (microsecs) per call 32 31 -0 -1.5%
Excl. CPU (microsec)1,386 1,359 -27 -1.9%
Incl. MemUse (bytes)165,104 165,108 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)91,272 90,772 -500 -0.5%
Incl. PeakMemUse (bytes) per call 411 409 -2 -0.5%
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 Function-21 -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%