Diff Report
Run #517d73f55c548: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d7319aefb8: 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 #517d73f55c548Run #517d7319aefb8DiffDiff%
Number of Function Calls98 98 0 0.0%
Incl. Wall Time (microsec)1,906 1,970 64 3.4%
Incl. Wall Time (microsec) per call 19 20 1 3.4%
Excl. Wall Time (microsec)463 486 23 5.0%
Incl. CPU (microsecs)1,996 2,047 51 2.6%
Incl. CPU (microsecs) per call 20 21 1 2.6%
Excl. CPU (microsec)392 393 1 0.3%
Incl. MemUse (bytes)98,696 98,696 0 0.0%
Incl. MemUse (bytes) per call 1,007 1,007 0 0.0%
Excl. MemUse (bytes)-13,384 -13,384 0 0.0%
Incl. PeakMemUse (bytes)34,176 34,080 -96 -0.3%
Incl. PeakMemUse (bytes) per call 349 348 -1 -0.3%
Excl. PeakMemUse (bytes)2,304 2,328 24 1.0%

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% 64 0.8% 51 0.6% 0 0.0% -96 -0.5%
Exclusive Metrics Diff for Current Function23 35.9% 1 2.0% 0 N/A% 24 25.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 64 100.0% 51 100.0% 0 N/A% -96 -100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables0 N/A% 44 68.8% 44 86.3% 0 N/A% 0 0.0%
PDO::prepare0 N/A% -3 -4.7% 6 11.8% 0 N/A% -120 -125.0%