Diff Report
Run #518b13c95a609: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518b15389813f: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #518b13c95a609Run #518b15389813fDiffDiff%
Number of Function Calls74 76 2 2.7%
Incl. Wall Time (microsec)55,250 55,527 277 0.5%
Incl. Wall Time (microsec) per call 747 731 -16 -2.1%
Excl. Wall Time (microsec)2,931 2,915 -16 -0.5%
Incl. CPU (microsecs)35,066 35,509 443 1.3%
Incl. CPU (microsecs) per call 474 467 -7 -1.4%
Excl. CPU (microsec)2,622 2,570 -52 -2.0%
Incl. MemUse (bytes)2,054,192 2,058,600 4,408 0.2%
Incl. MemUse (bytes) per call 27,759 27,087 -673 -2.4%
Excl. MemUse (bytes)-78,848 -88,536 -9,688 -12.3%
Incl. PeakMemUse (bytes)2,795,120 2,811,928 16,808 0.6%
Incl. PeakMemUse (bytes) per call 37,772 36,999 -773 -2.0%
Excl. PeakMemUse (bytes)163,736 164,432 696 0.4%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::getMultiple [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\Cache\DatabaseBackend::getMultiple2 16.7% 277 1.4% 443 2.2% 4,408 4.1% 16,808 8.1%
Exclusive Metrics Diff for Current Function-16 -5.8% -52 -11.7% -9,688 -219.8% 696 4.1%
Parent functions
field_attach_load0 0.0% 727 262.5% 495 111.7% 56 1.3% -80 -0.5%
Drupal\Core\Cache\DatabaseBackend::get2 100.0% -450 -162.5% -52 -11.7% 4,352 98.7% 16,888 100.5%
Child functions
Drupal\Core\Database\Connection::query2 20.0% 1,140 411.6% 868 195.9% 12,328 279.7% 5,640 33.6%
Drupal\Core\Cache\DatabaseBackend::prepareItem2 20.0% -854 -308.3% -388 -87.6% 536 12.2% 10,376 61.7%
Drupal\Core\Database\Connection::escapeTable2 20.0% 8 2.9% 8 1.8% 160 3.6% 96 0.6%
array_keys2 20.0% -3 -1.1% -5 -1.1% 736 16.7% 0 0.0%
array_diff2 20.0% 2 0.7% 12 2.7% 336 7.6% 0 0.0%