Diff Report
Run #519ff693b4ca2: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ff7de62889: 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 #519ff7de62889DiffDiff%
Number of Function Calls116 116 0 0.0%
Incl. Wall Time (microsec)3,450 3,488 38 1.1%
Incl. Wall Time (microsec) per call 30 30 0 1.1%
Excl. Wall Time (microsec)797 813 16 2.0%
Incl. CPU (microsecs)3,563 3,606 43 1.2%
Incl. CPU (microsecs) per call 31 31 0 1.2%
Excl. CPU (microsec)693 706 13 1.9%
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 49,088 -40 -0.1%
Incl. PeakMemUse (bytes) per call 424 423 -0 -0.1%
Excl. PeakMemUse (bytes)2,920 3,032 112 3.8%

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 Function16 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%