Diff Report
Run #517c1bb406b02: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1c27a12c9: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Query\Select::__toString

Drupal\Core\Database\Query\Select::__toStringRun #517c1bb406b02Run #517c1c27a12c9DiffDiff%
Number of Function Calls4 3 -1 -25.0%
Incl. Wall Time (microsec)925 829 -96 -10.4%
Incl. Wall Time (microsec) per call 231 276 45 19.5%
Excl. Wall Time (microsec)410 367 -43 -10.5%
Incl. CPU (microsecs)931 833 -98 -10.5%
Incl. CPU (microsecs) per call 233 278 45 19.3%
Excl. CPU (microsec)284 254 -30 -10.6%
Incl. MemUse (bytes)15,584 15,384 -200 -1.3%
Incl. MemUse (bytes) per call 3,896 5,128 1,232 31.6%
Excl. MemUse (bytes)-6,160 -5,904 256 4.2%
Incl. PeakMemUse (bytes)21,920 21,336 -584 -2.7%
Incl. PeakMemUse (bytes) per call 5,480 7,112 1,632 29.8%
Excl. PeakMemUse (bytes)8,632 8,400 -232 -2.7%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Query\Select::__toString [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-1 -10.0% -96 -0.0% -98 -0.1% -200 -0.0% -584 -0.1%
Exclusive Metrics Diff for Current Function-43 -44.8% -30 -30.6% 256 128.0% -232 -39.7%
Parent function
Drupal\Core\Database\Query\Select::execute-1 -100.0% -96 -100.0% -98 -100.0% -200 -100.0% -584 -100.0%
Child functions
Drupal\Core\Database\Connection::escapeTable-2 -22.2% -16 -16.7% -27 -27.6% -176 -88.0% -176 -30.1%
Drupal\Core\Database\Connection::escapeAlias-1 -11.1% -14 -14.6% -12 -12.2% -88 -44.0% -208 -35.6%
count-2 -22.2% -12 -12.5% -15 -15.3% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::compiled-1 -11.1% -6 -6.2% -4 -4.1% -48 -24.0% 0 0.0%
implode-1 -11.1% -5 -5.2% -2 -2.0% -96 -48.0% 72 12.3%
Drupal\Core\Database\Connection::escapeField0 0.0% 2 2.1% -4 -4.1% 0 0.0% -40 -6.8%
Drupal\Core\Database\Query\Condition::__toString-1 -11.1% -1 -1.0% -3 -3.1% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::makeComment-1 -11.1% -1 -1.0% -1 -1.0% -48 -24.0% 0 0.0%