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

Drupal\Core\Database\Connection::prepareQueryRun #519e636f9416aRun #519e62c02d767DiffDiff%
Number of Function Calls187 187 0 0.0%
Incl. Wall Time (microsec)3,830 3,848 18 0.5%
Incl. Wall Time (microsec) per call 20 21 0 0.5%
Excl. Wall Time (microsec)926 934 8 0.9%
Incl. CPU (microsecs)4,000 4,005 5 0.1%
Incl. CPU (microsecs) per call 21 21 0 0.1%
Excl. CPU (microsec)796 787 -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)35,936 36,400 464 1.3%
Incl. PeakMemUse (bytes) per call 192 195 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 Function8 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%