Diff Report
Run #519c03b86b1ec: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c045f200ea: 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 #519c03b86b1ecRun #519c045f200eaDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)4,733 4,928 195 4.1%
Incl. Wall Time (microsec) per call 676 704 28 4.1%
Excl. Wall Time (microsec)308 319 11 3.6%
Incl. CPU (microsecs)2,577 2,604 27 1.0%
Incl. CPU (microsecs) per call 368 372 4 1.0%
Excl. CPU (microsec)271 285 14 5.2%
Incl. MemUse (bytes)60,888 60,888 0 0.0%
Incl. MemUse (bytes) per call 8,698 8,698 0 0.0%
Excl. MemUse (bytes)7,576 7,576 0 0.0%
Incl. PeakMemUse (bytes)75,872 75,872 0 0.0%
Incl. PeakMemUse (bytes) per call 10,839 10,839 0 0.0%
Excl. PeakMemUse (bytes)8,916 8,916 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% 195 8.2% 27 2.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function11 5.6% 14 51.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::get@10 N/A% 195 100.0% 27 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 151 77.4% 18 66.7% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 29 14.9% -6 -22.2% 0 N/A% 0 N/A%
array_diff0 N/A% 3 1.5% -2 -7.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::escapeTable0 N/A% 1 0.5% 2 7.4% 0 N/A% 0 N/A%
array_keys0 N/A% 0 0.0% 1 3.7% 0 N/A% 0 N/A%