Diff Report
Run #52e49acfb0eb8: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e49b394aea8: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #52e49acfb0eb8Run #52e49b394aea8DiffDiff%
Number of Function Calls94 95 1 1.1%
Incl. Wall Time (microsec)1,752 1,805 53 3.0%
Incl. Wall Time (microsec) per call 19 19 0 1.9%
Excl. Wall Time (microsec)457 492 35 7.7%
Incl. CPU (microsecs)1,838 1,890 52 2.8%
Incl. CPU (microsecs) per call 20 20 0 1.7%
Excl. CPU (microsec)386 404 18 4.7%
Incl. MemUse (bytes)94,784 95,736 952 1.0%
Incl. MemUse (bytes) per call 1,008 1,008 -1 -0.1%
Excl. MemUse (bytes)-12,280 -12,432 -152 -1.2%
Incl. PeakMemUse (bytes)35,296 35,288 -8 -0.0%
Incl. PeakMemUse (bytes) per call 375 371 -4 -1.1%
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::prepareQuery1 33.3% 53 4.8% 52 6.4% 952 3.7% -8 -0.0%
Exclusive Metrics Diff for Current Function35 66.0% 18 34.6% -152 -16.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query1 100.0% 53 100.0% 52 100.0% 952 100.0% -8 -100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables1 50.0% 24 45.3% 33 63.5% 200 21.0% 48 600.0%
PDO::prepare1 50.0% -6 -11.3% 1 1.9% 904 95.0% -56 -700.0%