Diff Report
Run #519c0a514701f: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c0ad3d3949: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple@1

Drupal\Core\Cache\DatabaseBackend::getMultiple@1Run #519c0a514701fRun #519c0ad3d3949DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)4,782 5,167 385 8.1%
Incl. Wall Time (microsec) per call 683 738 55 8.1%
Excl. Wall Time (microsec)333 320 -13 -3.9%
Incl. CPU (microsecs)2,643 2,686 43 1.6%
Incl. CPU (microsecs) per call 378 384 6 1.6%
Excl. CPU (microsec)298 279 -19 -6.4%
Incl. MemUse (bytes)60,856 60,856 0 0.0%
Incl. MemUse (bytes) per call 8,694 8,694 0 0.0%
Excl. MemUse (bytes)7,572 7,572 0 0.0%
Incl. PeakMemUse (bytes)78,676 78,676 0 0.0%
Incl. PeakMemUse (bytes) per call 11,239 11,239 0 0.0%
Excl. PeakMemUse (bytes)9,620 9,620 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::getMultiple@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\Cache\DatabaseBackend::getMultiple@10 N/A% 385 20.9% 43 1.2% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function-13 -3.4% -19 -44.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::get@10 N/A% 385 100.0% 43 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 342 88.8% 34 79.1% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 50 13.0% 24 55.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::escapeTable0 N/A% 3 0.8% 3 7.0% 0 N/A% 0 N/A%
array_diff0 N/A% 3 0.8% 1 2.3% 0 N/A% 0 N/A%
array_keys0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%