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

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #519fc53e46a65Run #519fc84e17238DiffDiff%
Number of Function Calls68 68 0 0.0%
Incl. Wall Time (microsec)18,401 17,794 -607 -3.3%
Incl. Wall Time (microsec) per call 271 262 -9 -3.3%
Excl. Wall Time (microsec)1,619 1,506 -113 -7.0%
Incl. CPU (microsecs)12,000 12,000 0 0.0%
Incl. CPU (microsecs) per call 176 176 0 0.0%
Excl. CPU (microsec)4,000 0 -4,000 -100.0%
Incl. MemUse (bytes)1,824,576 1,824,504 -72 -0.0%
Incl. MemUse (bytes) per call 26,832 26,831 -1 -0.0%
Excl. MemUse (bytes)114,296 114,288 -8 -0.0%
Incl. PeakMemUse (bytes)2,372,696 2,372,792 96 0.0%
Incl. PeakMemUse (bytes) per call 34,893 34,894 1 0.0%
Excl. PeakMemUse (bytes)216,144 215,976 -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 Function-113 -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%