Diff Report
Run #51978d4d92dd9: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51978cc86c728: 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 #51978d4d92dd9Run #51978cc86c728DiffDiff%
Number of Function Calls134 133 -1 -0.7%
Incl. Wall Time (microsec)2,572 2,624 52 2.0%
Incl. Wall Time (microsec) per call 19 20 1 2.8%
Excl. Wall Time (microsec)645 672 27 4.2%
Incl. CPU (microsecs)2,683 2,736 53 2.0%
Incl. CPU (microsecs) per call 20 21 1 2.7%
Excl. CPU (microsec)529 543 14 2.6%
Incl. MemUse (bytes)138,824 137,880 -944 -0.7%
Incl. MemUse (bytes) per call 1,036 1,037 1 0.1%
Excl. MemUse (bytes)-22,000 -21,848 152 0.7%
Incl. PeakMemUse (bytes)36,208 35,664 -544 -1.5%
Incl. PeakMemUse (bytes) per call 270 268 -2 -0.8%
Excl. PeakMemUse (bytes)504 576 72 14.3%

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::prepareQuery-1 -33.3% 52 20.9% 53 43.8% -944 -4.3% -544 -2.3%
Exclusive Metrics Diff for Current Function27 51.9% 14 26.4% 152 16.1% 72 13.2%
Parent function
Drupal\Core\Database\Connection::query-1 -100.0% 52 100.0% 53 100.0% -944 -100.0% -544 -100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables-1 -50.0% 22 42.3% 22 41.5% -200 -21.2% -480 -88.2%
PDO::prepare-1 -50.0% 3 5.8% 17 32.1% -896 -94.9% -136 -25.0%