Diff Report
Run #519a6b3fa9c9c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519a6f8ea14bd: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #519a6b3fa9c9cRun #519a6f8ea14bdDiffDiff%
Number of Function Calls105 105 0 0.0%
Incl. Wall Time (microsec)2,317 2,257 -60 -2.6%
Incl. Wall Time (microsec) per call 22 21 -1 -2.6%
Excl. Wall Time (microsec)562 557 -5 -0.9%
Incl. CPU (microsecs)2,418 2,349 -69 -2.9%
Incl. CPU (microsecs) per call 23 22 -1 -2.9%
Excl. CPU (microsec)461 466 5 1.1%
Incl. MemUse (bytes)109,656 109,656 0 0.0%
Incl. MemUse (bytes) per call 1,044 1,044 0 0.0%
Excl. MemUse (bytes)-16,624 -16,624 0 0.0%
Incl. PeakMemUse (bytes)23,720 23,960 240 1.0%
Incl. PeakMemUse (bytes) per call 226 228 2 1.0%
Excl. PeakMemUse (bytes)760 688 -72 -9.5%

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% -60 -5.1% -69 -6.0% 0 0.0% 240 0.8%
Exclusive Metrics Diff for Current Function-5 -8.3% 5 7.2% 0 N/A% -72 -30.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -60 -100.0% -69 -100.0% 0 N/A% 240 100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% -28 -46.7% -23 -33.3% 0 N/A% 224 93.3%
PDO::prepare0 N/A% -27 -45.0% -51 -73.9% 0 N/A% 88 36.7%