Diff Report
Run #531ee657ba49e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #531ee5f3237b0: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

Regression/Improvement summary for PDO::prepare

PDO::prepareRun #531ee657ba49eRun #531ee5f3237b0DiffDiff%
Number of Function Calls174 173 -1 -0.6%
Incl. Wall Time (microsec)1,317 1,295 -22 -1.7%
Incl. Wall Time (microsec) per call 8 7 -0 -1.1%
Excl. Wall Time (microsec)628 634 6 1.0%
Incl. CPU (microsecs)1,415 1,425 10 0.7%
Incl. CPU (microsecs) per call 8 8 0 1.3%
Excl. CPU (microsec)606 634 28 4.6%
Incl. MemUse (bytes)179,072 178,168 -904 -0.5%
Incl. MemUse (bytes) per call 1,029 1,030 1 0.1%
Excl. MemUse (bytes)168,752 167,896 -856 -0.5%
Incl. PeakMemUse (bytes)9,464 9,560 96 1.0%
Incl. PeakMemUse (bytes) per call 54 55 1 1.6%
Excl. PeakMemUse (bytes)7,656 7,696 40 0.5%

Parent/Child Regression/Improvement report for PDO::prepare [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
PDO::prepare-1 -50.0% -22 -0.9% 10 0.3% -904 -1.2% 96 0.1%
Exclusive Metrics Diff for Current Function6 27.3% 28 280.0% -856 -94.7% 40 41.7%
Parent function
Drupal\Core\Database\Connection::prepareQuery-1 -100.0% -22 -100.0% 10 100.0% -904 -100.0% 96 100.0%
Child function
Drupal\Core\Database\Statement::__construct-1 -100.0% -28 -127.3% -18 -180.0% -48 -5.3% 56 58.3%