Diff Report
Run #52e4a1c03557c: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e4a222581ef: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #52e4a1c03557cRun #52e4a222581efDiffDiff%
Number of Function Calls88 88 0 0.0%
Incl. Wall Time (microsec)1,624 1,662 38 2.3%
Incl. Wall Time (microsec) per call 18 19 0 2.3%
Excl. Wall Time (microsec)430 418 -12 -2.8%
Incl. CPU (microsecs)1,711 1,726 15 0.9%
Incl. CPU (microsecs) per call 19 20 0 0.9%
Excl. CPU (microsec)376 338 -38 -10.1%
Incl. MemUse (bytes)89,072 89,080 8 0.0%
Incl. MemUse (bytes) per call 1,012 1,012 0 0.0%
Excl. MemUse (bytes)-11,368 -11,368 0 0.0%
Incl. PeakMemUse (bytes)35,064 34,984 -80 -0.2%
Incl. PeakMemUse (bytes) per call 398 398 -1 -0.2%
Excl. PeakMemUse (bytes)2,720 2,720 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% 38 7.7% 15 7.1% 8 0.0% -80 -0.3%
Exclusive Metrics Diff for Current Function-12 -31.6% -38 -253.3% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query0 N/A% 38 100.0% 15 100.0% 8 100.0% -80 -100.0%
Child functions
PDO::prepare0 N/A% 57 150.0% 49 326.7% 8 100.0% -8 -10.0%
Drupal\Core\Database\Connection::prefixTables0 N/A% -7 -18.4% 4 26.7% 0 0.0% -72 -90.0%