Diff Report
Run #51981e3ae1e6c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51981beb768ad: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #51981e3ae1e6cRun #51981beb768adDiffDiff%
Number of Function Calls124 124 0 0.0%
Incl. Wall Time (microsec)2,453 2,418 -35 -1.4%
Incl. Wall Time (microsec) per call 20 20 -0 -1.4%
Excl. Wall Time (microsec)616 597 -19 -3.1%
Incl. CPU (microsecs)2,555 2,528 -27 -1.1%
Incl. CPU (microsecs) per call 21 20 -0 -1.1%
Excl. CPU (microsec)495 490 -5 -1.0%
Incl. MemUse (bytes)128,664 128,664 0 0.0%
Incl. MemUse (bytes) per call 1,038 1,038 0 0.0%
Excl. MemUse (bytes)-20,096 -20,096 0 0.0%
Incl. PeakMemUse (bytes)37,704 37,704 0 0.0%
Incl. PeakMemUse (bytes) per call 304 304 0 0.0%
Excl. PeakMemUse (bytes)720 720 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% -35 -28.5% -27 -5.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-19 -54.3% -5 -18.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Connection::query0 N/A% -35 -100.0% -27 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% -9 -25.7% -14 -51.9% 0 N/A% 0 N/A%
PDO::prepare0 N/A% -7 -20.0% -8 -29.6% 0 N/A% 0 N/A%