Diff Report
Run #534ad972c8c0d: 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 #534ad972c8c0dRun #534ad8dec7444DiffDiff%
Number of Function Calls222 222 0 0.0%
Incl. Wall Time (microsec)6,917 6,859 -58 -0.8%
Incl. Wall Time (microsec) per call 31 31 -0 -0.8%
Excl. Wall Time (microsec)1,612 1,597 -15 -0.9%
Incl. CPU (microsecs)7,160 7,096 -64 -0.9%
Incl. CPU (microsecs) per call 32 32 -0 -0.9%
Excl. CPU (microsec)1,391 1,386 -5 -0.4%
Incl. MemUse (bytes)165,104 165,104 0 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 91,272 0 0.0%
Incl. PeakMemUse (bytes) per call 411 411 0 0.0%
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% -58 -4.0% -64 -10.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-15 -25.9% -5 -7.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -58 -100.0% -64 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% -28 -48.3% -47 -73.4% 0 N/A% 0 N/A%
PDO::prepare0 N/A% -15 -25.9% -12 -18.8% 0 N/A% 0 N/A%