Diff Report
Run #53923e49d2b58: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53923d861ff11: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #53923e49d2b58Run #53923d861ff11DiffDiff%
Number of Function Calls258 258 0 0.0%
Incl. Wall Time (microsec)7,361 7,375 14 0.2%
Incl. Wall Time (microsec) per call 29 29 0 0.2%
Excl. Wall Time (microsec)1,697 1,692 -5 -0.3%
Incl. CPU (microsecs)7,631 7,623 -8 -0.1%
Incl. CPU (microsecs) per call 30 30 -0 -0.1%
Excl. CPU (microsec)1,498 1,454 -44 -2.9%
Incl. MemUse (bytes)182,936 215,688 32,752 17.9%
Incl. MemUse (bytes) per call 709 836 127 17.9%
Excl. MemUse (bytes)-42,420 -42,420 0 0.0%
Incl. PeakMemUse (bytes)87,652 154,300 66,648 76.0%
Incl. PeakMemUse (bytes) per call 340 598 258 76.0%
Excl. PeakMemUse (bytes)784 784 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% 14 0.9% -8 -0.7% 32,752 3756.0% 66,648 9575.9%
Exclusive Metrics Diff for Current Function-5 -35.7% -44 -550.0% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 14 100.0% -8 -100.0% 32,752 100.0% 66,648 100.0%
Child functions
PDO::prepare0 N/A% 26 185.7% 21 262.5% 32,752 100.0% 66,060 99.1%
Drupal\Core\Database\Connection::prefixTables0 N/A% -7 -50.0% 15 187.5% 0 0.0% 588 0.9%