Diff Report
Run #519e62c02d767: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519e636f9416a: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #519e62c02d767Run #519e636f9416aDiffDiff%
Number of Function Calls187 187 0 0.0%
Incl. Wall Time (microsec)3,848 3,830 -18 -0.5%
Incl. Wall Time (microsec) per call 21 20 -0 -0.5%
Excl. Wall Time (microsec)934 926 -8 -0.9%
Incl. CPU (microsecs)4,005 4,000 -5 -0.1%
Incl. CPU (microsecs) per call 21 21 -0 -0.1%
Excl. CPU (microsec)787 796 9 1.1%
Incl. MemUse (bytes)183,456 183,456 0 0.0%
Incl. MemUse (bytes) per call 981 981 0 0.0%
Excl. MemUse (bytes)-27,280 -27,280 0 0.0%
Incl. PeakMemUse (bytes)36,400 35,936 -464 -1.3%
Incl. PeakMemUse (bytes) per call 195 192 -2 -1.3%
Excl. PeakMemUse (bytes)936 936 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% -18 -0.1% -5 -0.0% 0 0.0% -464 -0.8%
Exclusive Metrics Diff for Current Function-8 -44.4% 9 180.0% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -18 -100.0% -5 -100.0% 0 N/A% -464 -100.0%
Child functions
PDO::prepare0 N/A% -6 -33.3% -22 -440.0% 0 N/A% -240 -51.7%
Drupal\Core\Database\Connection::prefixTables0 N/A% -4 -22.2% 8 160.0% 0 N/A% -224 -48.3%