Diff Report
Run #519ea91263307: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519ea884c38e9: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #519ea91263307Run #519ea884c38e9DiffDiff%
Number of Function Calls123 123 0 0.0%
Incl. Wall Time (microsec)2,491 2,473 -18 -0.7%
Incl. Wall Time (microsec) per call 20 20 -0 -0.7%
Excl. Wall Time (microsec)611 616 5 0.8%
Incl. CPU (microsecs)2,599 2,598 -1 -0.0%
Incl. CPU (microsecs) per call 21 21 -0 -0.0%
Excl. CPU (microsec)514 529 15 2.9%
Incl. MemUse (bytes)128,264 128,264 0 0.0%
Incl. MemUse (bytes) per call 1,043 1,043 0 0.0%
Excl. MemUse (bytes)-20,136 -20,136 0 0.0%
Incl. PeakMemUse (bytes)28,240 28,240 0 0.0%
Incl. PeakMemUse (bytes) per call 230 230 0 0.0%
Excl. PeakMemUse (bytes)1,456 1,456 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 -3.4% -1 -0.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function5 27.8% 15 1500.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -18 -100.0% -1 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% -13 -72.2% -9 -900.0% 0 N/A% 0 N/A%
PDO::prepare0 N/A% -10 -55.6% -7 -700.0% 0 N/A% 0 N/A%