Diff Report
Run #512a20b11c1ab: XHProf Run (Namespace=drupal-perf)
vs.
Run #512a1f7f217a6: 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 #512a20b11c1abRun #512a1f7f217a6DiffDiff%
Number of Function Calls9 7 -2 -22.2%
Incl. Wall Time (microsec)1,717 1,519 -198 -11.5%
Incl. Wall Time (microsec) per call 191 217 26 13.7%
Excl. Wall Time (microsec)714 623 -91 -12.7%
Incl. CPU (microsecs)0 4,000 4,000 N/A%
Incl. CPU (microsecs) per call 0 571 571 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)38,272 37,480 -792 -2.1%
Incl. MemUse (bytes) per call 4,252 5,354 1,102 25.9%
Excl. MemUse (bytes)-19,392 -17,488 1,904 9.8%
Incl. PeakMemUse (bytes)44,400 42,208 -2,192 -4.9%
Incl. PeakMemUse (bytes) per call 4,933 6,030 1,096 22.2%
Excl. PeakMemUse (bytes)15,080 13,872 -1,208 -8.0%

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-2 -7.4% -198 -0.6% 4,000 12.5% -792 -0.0% -2,192 -0.1%
Exclusive Metrics Diff for Current Function-91 -46.0% 0 0.0% 1,904 240.4% -1,208 -55.1%
Parent function
Drupal\Core\Database\Query\Select::execute-2 -100.0% -198 -100.0% 4,000 100.0% -792 -100.0% -2,192 -100.0%
Child functions
Drupal\Core\Database\Connection::escapeTable-9 -36.0% -42 -21.2% 0 0.0% -1,376 -173.7% 200 9.1%
count-4 -16.0% -24 -12.1% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::compiled-2 -8.0% -14 -7.1% 0 0.0% -160 -20.2% 0 0.0%
Drupal\Core\Database\Connection::escapeField-2 -8.0% -7 -3.5% 0 0.0% -288 -36.4% 0 0.0%
implode-2 -8.0% -6 -3.0% 0 0.0% -256 -32.3% 0 0.0%
Drupal\Core\Database\Connection::escapeAlias-2 -8.0% -6 -3.0% 4,000 100.0% -328 -41.4% 80 3.6%
Drupal\Core\Database\Query\Select::__toString@10 0.0% -4 -2.0% 0 0.0% -16 -2.0% -1,144 -52.2%
Drupal\Core\Database\Query\Condition::__toString-2 -8.0% -2 -1.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::makeComment-2 -8.0% -2 -1.0% 0 0.0% -272 -34.3% 0 0.0%
Drupal\Core\Database\Query\Select::preExecute0 0.0% 0 0.0% 0 0.0% 0 0.0% -120 -5.5%