Diff Report
Run #52e4374042ace: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e436ce9c71d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #52e4374042aceRun #52e436ce9c71dDiffDiff%
Number of Function Calls122 121 -1 -0.8%
Incl. Wall Time (microsec)2,263 2,228 -35 -1.5%
Incl. Wall Time (microsec) per call 19 18 -0 -0.7%
Excl. Wall Time (microsec)601 586 -15 -2.5%
Incl. CPU (microsecs)2,374 2,337 -37 -1.6%
Incl. CPU (microsecs) per call 19 19 -0 -0.7%
Excl. CPU (microsec)501 496 -5 -1.0%
Incl. MemUse (bytes)122,304 121,352 -952 -0.8%
Incl. MemUse (bytes) per call 1,002 1,003 0 0.0%
Excl. MemUse (bytes)-17,128 -16,976 152 0.9%
Incl. PeakMemUse (bytes)51,480 50,832 -648 -1.3%
Incl. PeakMemUse (bytes) per call 422 420 -2 -0.4%
Excl. PeakMemUse (bytes)2,896 2,976 80 2.8%

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::prepareQuery-1 -33.3% -35 -3.0% -37 -3.7% -952 -1.2% -648 -0.8%
Exclusive Metrics Diff for Current Function-15 -42.9% -5 -13.5% 152 16.0% 80 12.3%
Parent function
Drupal\Core\Database\Connection::query-1 -100.0% -35 -100.0% -37 -100.0% -952 -100.0% -648 -100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables-1 -50.0% -27 -77.1% -23 -62.2% -200 -21.0% -344 -53.1%
PDO::prepare-1 -50.0% 7 20.0% -9 -24.3% -904 -95.0% -384 -59.3%