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

Drupal\Core\Database\Connection::prepareQueryRun #52e4a222581efRun #52e4a1c03557cDiffDiff%
Number of Function Calls88 88 0 0.0%
Incl. Wall Time (microsec)1,662 1,624 -38 -2.3%
Incl. Wall Time (microsec) per call 19 18 -0 -2.3%
Excl. Wall Time (microsec)418 430 12 2.9%
Incl. CPU (microsecs)1,726 1,711 -15 -0.9%
Incl. CPU (microsecs) per call 20 19 -0 -0.9%
Excl. CPU (microsec)338 376 38 11.2%
Incl. MemUse (bytes)89,080 89,072 -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)34,984 35,064 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 Function12 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%