Diff Report
Run #512a1f7f217a6: XHProf Run (Namespace=drupal-perf)
vs.
Run #512a226436ce4: XHProf Run (Namespace=drupal-perf)
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Regression/Improvement summary for Drupal\Core\Database\Query\Select::__toString

Drupal\Core\Database\Query\Select::__toStringRun #512a1f7f217a6Run #512a226436ce4DiffDiff%
Number of Function Calls7 28 21 300.0%
Incl. Wall Time (microsec)1,519 6,258 4,739 312.0%
Incl. Wall Time (microsec) per call 217 224 7 3.0%
Excl. Wall Time (microsec)623 2,674 2,051 329.2%
Incl. CPU (microsecs)4,000 8,001 4,001 100.0%
Incl. CPU (microsecs) per call 571 286 -286 -50.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)37,480 45,872 8,392 22.4%
Incl. MemUse (bytes) per call 5,354 1,638 -3,716 -69.4%
Excl. MemUse (bytes)-17,488 -100,448 -82,960 -474.4%
Incl. PeakMemUse (bytes)42,208 45,136 2,928 6.9%
Incl. PeakMemUse (bytes) per call 6,030 1,612 -4,418 -73.3%
Excl. PeakMemUse (bytes)13,872 13,760 -112 -0.8%

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::__toString21 3.0% 4,739 9.6% 4,001 7.7% 8,392 0.3% 2,928 0.1%
Exclusive Metrics Diff for Current Function2,051 43.3% 0 0.0% -82,960 -988.6% -112 -3.8%
Parent function
Drupal\Core\Database\Query\Select::execute21 100.0% 4,739 100.0% 4,001 100.0% 8,392 100.0% 2,928 100.0%
Child functions
Drupal\Core\Database\Connection::escapeTable213 31.7% 926 19.5% 0 0.0% 31,040 369.9% 656 22.4%
Drupal\Core\Database\Connection::escapeField166 24.7% 665 14.0% 0 0.0% 24,096 287.1% -80 -2.7%
Drupal\Core\Database\Connection::escapeAlias166 24.7% 665 14.0% -4,000 -100.0% 24,216 288.6% 408 13.9%
count42 6.3% 225 4.7% 8,001 200.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::compiled21 3.1% 139 2.9% 0 0.0% 1,680 20.0% 0 0.0%
implode21 3.1% 22 0.5% 0 0.0% 7,448 88.8% 792 27.0%
Drupal\Core\Database\Connection::makeComment21 3.1% 21 0.4% 0 0.0% 2,856 34.0% 0 0.0%
Drupal\Core\Database\Query\Condition::__toString21 3.1% 21 0.4% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::__toString@10 0.0% 4 0.1% 0 0.0% 16 0.2% 1,144 39.1%
Drupal\Core\Database\Query\Select::preExecute0 0.0% 0 0.0% 0 0.0% 0 0.0% 120 4.1%