Diff Report
Run #531ee5f3237b0: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #531ee657ba49e: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #531ee5f3237b0Run #531ee657ba49eDiffDiff%
Number of Function Calls173 174 1 0.6%
Incl. Wall Time (microsec)1,295 1,317 22 1.7%
Incl. Wall Time (microsec) per call 7 8 0 1.1%
Excl. Wall Time (microsec)634 628 -6 -0.9%
Incl. CPU (microsecs)1,425 1,415 -10 -0.7%
Incl. CPU (microsecs) per call 8 8 -0 -1.3%
Excl. CPU (microsec)634 606 -28 -4.4%
Incl. MemUse (bytes)178,168 179,072 904 0.5%
Incl. MemUse (bytes) per call 1,030 1,029 -1 -0.1%
Excl. MemUse (bytes)167,896 168,752 856 0.5%
Incl. PeakMemUse (bytes)9,560 9,464 -96 -1.0%
Incl. PeakMemUse (bytes) per call 55 54 -1 -1.6%
Excl. PeakMemUse (bytes)7,696 7,656 -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::prepare1 50.0% 22 0.9% -10 -0.3% 904 1.2% -96 -0.1%
Exclusive Metrics Diff for Current Function-6 -27.3% -28 -280.0% 856 94.7% -40 -41.7%
Parent function
Drupal\Core\Database\Connection::prepareQuery1 100.0% 22 100.0% -10 -100.0% 904 100.0% -96 -100.0%
Child function
Drupal\Core\Database\Statement::__construct1 100.0% 28 127.3% 18 180.0% 48 5.3% -56 -58.3%