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

Drupal\Core\Database\Connection::prepareQueryRun #52e49b394aea8Run #52e49acfb0eb8DiffDiff%
Number of Function Calls95 94 -1 -1.1%
Incl. Wall Time (microsec)1,805 1,752 -53 -2.9%
Incl. Wall Time (microsec) per call 19 19 -0 -1.9%
Excl. Wall Time (microsec)492 457 -35 -7.1%
Incl. CPU (microsecs)1,890 1,838 -52 -2.8%
Incl. CPU (microsecs) per call 20 20 -0 -1.7%
Excl. CPU (microsec)404 386 -18 -4.5%
Incl. MemUse (bytes)95,736 94,784 -952 -1.0%
Incl. MemUse (bytes) per call 1,008 1,008 1 0.1%
Excl. MemUse (bytes)-12,432 -12,280 152 1.2%
Incl. PeakMemUse (bytes)35,288 35,296 8 0.0%
Incl. PeakMemUse (bytes) per call 371 375 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::prepareQuery-1 -33.3% -53 -4.8% -52 -6.4% -952 -3.7% 8 0.0%
Exclusive Metrics Diff for Current Function-35 -66.0% -18 -34.6% 152 16.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query-1 -100.0% -53 -100.0% -52 -100.0% -952 -100.0% 8 100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables-1 -50.0% -24 -45.3% -33 -63.5% -200 -21.0% -48 -600.0%
PDO::prepare-1 -50.0% 6 11.3% -1 -1.9% -904 -95.0% 56 700.0%