Diff Report
Run #519e62c02d767: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519e633ddef65: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Query\Select::__toString@1

Drupal\Core\Database\Query\Select::__toString@1Run #519e62c02d767Run #519e633ddef65DiffDiff%
Number of Function Calls2 2 0 0.0%
Incl. Wall Time (microsec)141 133 -8 -5.7%
Incl. Wall Time (microsec) per call 71 67 -4 -5.7%
Excl. Wall Time (microsec)66 60 -6 -9.1%
Incl. CPU (microsecs)146 138 -8 -5.5%
Incl. CPU (microsecs) per call 73 69 -4 -5.5%
Excl. CPU (microsec)46 50 4 8.7%
Incl. MemUse (bytes)8,992 8,992 0 0.0%
Incl. MemUse (bytes) per call 4,496 4,496 0 0.0%
Excl. MemUse (bytes)2,352 2,352 0 0.0%
Incl. PeakMemUse (bytes)9,104 9,104 0 0.0%
Incl. PeakMemUse (bytes) per call 4,552 4,552 0 0.0%
Excl. PeakMemUse (bytes)3,200 3,200 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Query\Select::__toString@1 [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\Query\Select::__toString@10 N/A% -8 -2.0% -8 -1.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-6 -75.0% 4 50.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Database\Query\Select::__toString0 N/A% -8 -100.0% -8 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::escapeTable0 N/A% -1 -12.5% -4 -50.0% 0 N/A% 0 N/A%
count0 N/A% -1 -12.5% -3 -37.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Condition::__toString0 N/A% 0 0.0% -1 -12.5% 0 N/A% 0 N/A%
implode0 N/A% 0 0.0% -2 -25.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::makeComment0 N/A% 0 0.0% -2 -25.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::escapeAlias0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::compiled0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%