Diff Report
Run #519ff693b4ca2: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ff79b9e81a: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #519ff693b4ca2Run #519ff79b9e81aDiffDiff%
Number of Function Calls116 116 0 0.0%
Incl. Wall Time (microsec)3,450 3,418 -32 -0.9%
Incl. Wall Time (microsec) per call 30 29 -0 -0.9%
Excl. Wall Time (microsec)797 784 -13 -1.6%
Incl. CPU (microsecs)3,563 3,541 -22 -0.6%
Incl. CPU (microsecs) per call 31 31 -0 -0.6%
Excl. CPU (microsec)693 685 -8 -1.2%
Incl. MemUse (bytes)119,800 119,800 0 0.0%
Incl. MemUse (bytes) per call 1,033 1,033 0 0.0%
Excl. MemUse (bytes)-17,296 -17,296 0 0.0%
Incl. PeakMemUse (bytes)49,128 49,128 0 0.0%
Incl. PeakMemUse (bytes) per call 424 424 0 0.0%
Excl. PeakMemUse (bytes)2,920 2,920 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% -32 -5.7% -22 -3.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-13 -40.6% -8 -36.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -32 -100.0% -22 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% -10 -31.2% -8 -36.4% 0 N/A% 0 N/A%
PDO::prepare0 N/A% -9 -28.1% -6 -27.3% 0 N/A% 0 N/A%