Diff Report
Run #518b13c95a609: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518b15389813f: 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 #518b13c95a609Run #518b15389813fDiffDiff%
Number of Function Calls116 118 2 1.7%
Incl. Wall Time (microsec)2,347 2,413 66 2.8%
Incl. Wall Time (microsec) per call 20 20 0 1.1%
Excl. Wall Time (microsec)580 589 9 1.6%
Incl. CPU (microsecs)2,443 2,529 86 3.5%
Incl. CPU (microsecs) per call 21 21 0 1.8%
Excl. CPU (microsec)470 499 29 6.2%
Incl. MemUse (bytes)121,776 123,664 1,888 1.6%
Incl. MemUse (bytes) per call 1,050 1,048 -2 -0.2%
Excl. MemUse (bytes)-19,224 -19,528 -304 -1.6%
Incl. PeakMemUse (bytes)48,176 48,272 96 0.2%
Incl. PeakMemUse (bytes) per call 415 409 -6 -1.5%
Excl. PeakMemUse (bytes)2,608 2,464 -144 -5.5%

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::prepareQuery2 33.3% 66 0.3% 86 0.4% 1,888 1.7% 96 0.0%
Exclusive Metrics Diff for Current Function9 13.6% 29 33.7% -304 -16.1% -144 -150.0%
Parent function
Drupal\Core\Database\Connection::query2 100.0% 66 100.0% 86 100.0% 1,888 100.0% 96 100.0%
Child functions
PDO::prepare2 50.0% 35 53.0% 42 48.8% 1,792 94.9% -64 -66.7%
Drupal\Core\Database\Connection::prefixTables2 50.0% 22 33.3% 15 17.4% 400 21.2% 304 316.7%