Diff Report
Run #519fc84e17238: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fc53e46a65: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #519fc84e17238Run #519fc53e46a65DiffDiff%
Number of Function Calls68 68 0 0.0%
Incl. Wall Time (microsec)17,794 18,401 607 3.4%
Incl. Wall Time (microsec) per call 262 271 9 3.4%
Excl. Wall Time (microsec)1,506 1,619 113 7.5%
Incl. CPU (microsecs)12,000 12,000 0 0.0%
Incl. CPU (microsecs) per call 176 176 0 0.0%
Excl. CPU (microsec)0 4,000 4,000 N/A%
Incl. MemUse (bytes)1,824,504 1,824,576 72 0.0%
Incl. MemUse (bytes) per call 26,831 26,832 1 0.0%
Excl. MemUse (bytes)114,288 114,296 8 0.0%
Incl. PeakMemUse (bytes)2,372,792 2,372,696 -96 -0.0%
Incl. PeakMemUse (bytes) per call 34,894 34,893 -1 -0.0%
Excl. PeakMemUse (bytes)215,976 216,144 168 0.1%

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::getMultiple0 N/A% 607 112.0% 0 0.0% 72 0.9% -96 -0.9%
Exclusive Metrics Diff for Current Function113 18.6% 4,000 N/A% 8 11.1% 168 175.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get0 N/A% 589 97.0% 0 N/A% 72 100.0% -96 -100.0%
field_attach_load0 N/A% 18 3.0% 0 N/A% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 542 89.3% -4,000 N/A% 0 0.0% -576 -600.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -48 -7.9% 0 N/A% 64 88.9% 312 325.0%
Drupal\Core\Database\Connection::escapeTable0 N/A% 5 0.8% 0 N/A% 0 0.0% 0 0.0%
array_keys0 N/A% -5 -0.8% 0 N/A% 0 0.0% 0 0.0%
array_diff0 N/A% 0 0.0% 0 N/A% 0 0.0% 0 0.0%