Diff Report
Run #519ff7de62889: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ff693b4ca2: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #519ff7de62889Run #519ff693b4ca2DiffDiff%
Number of Function Calls116 116 0 0.0%
Incl. Wall Time (microsec)3,488 3,450 -38 -1.1%
Incl. Wall Time (microsec) per call 30 30 -0 -1.1%
Excl. Wall Time (microsec)813 797 -16 -2.0%
Incl. CPU (microsecs)3,606 3,563 -43 -1.2%
Incl. CPU (microsecs) per call 31 31 -0 -1.2%
Excl. CPU (microsec)706 693 -13 -1.8%
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)49,088 49,128 40 0.1%
Incl. PeakMemUse (bytes) per call 423 424 0 0.1%
Excl. PeakMemUse (bytes)3,032 2,920 -112 -3.7%

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% -38 -3.4% -43 -3.7% 0 0.0% 40 0.1%
Exclusive Metrics Diff for Current Function-16 -42.1% -13 -30.2% 0 N/A% -112 -280.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -38 -100.0% -43 -100.0% 0 N/A% 40 100.0%
Child functions
PDO::prepare0 N/A% -20 -52.6% -22 -51.2% 0 N/A% 152 380.0%
Drupal\Core\Database\Connection::prefixTables0 N/A% -2 -5.3% -8 -18.6% 0 N/A% 0 0.0%