Diff Report
Run #51978cc86c728: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51978d4d92dd9: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #51978cc86c728Run #51978d4d92dd9DiffDiff%
Number of Function Calls133 134 1 0.8%
Incl. Wall Time (microsec)2,624 2,572 -52 -2.0%
Incl. Wall Time (microsec) per call 20 19 -1 -2.7%
Excl. Wall Time (microsec)672 645 -27 -4.0%
Incl. CPU (microsecs)2,736 2,683 -53 -1.9%
Incl. CPU (microsecs) per call 21 20 -1 -2.7%
Excl. CPU (microsec)543 529 -14 -2.6%
Incl. MemUse (bytes)137,880 138,824 944 0.7%
Incl. MemUse (bytes) per call 1,037 1,036 -1 -0.1%
Excl. MemUse (bytes)-21,848 -22,000 -152 -0.7%
Incl. PeakMemUse (bytes)35,664 36,208 544 1.5%
Incl. PeakMemUse (bytes) per call 268 270 2 0.8%
Excl. PeakMemUse (bytes)576 504 -72 -12.5%

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::prepareQuery1 33.3% -52 -20.9% -53 -43.8% 944 4.3% 544 2.3%
Exclusive Metrics Diff for Current Function-27 -51.9% -14 -26.4% -152 -16.1% -72 -13.2%
Parent function
Drupal\Core\Database\Connection::query1 100.0% -52 -100.0% -53 -100.0% 944 100.0% 544 100.0%
Child functions
PDO::prepare1 50.0% -3 -5.8% -17 -32.1% 896 94.9% 136 25.0%
Drupal\Core\Database\Connection::prefixTables1 50.0% -22 -42.3% -22 -41.5% 200 21.2% 480 88.2%