Diff Report
Run #519c1681d41e5: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c153c76aa0: 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 #519c1681d41e5Run #519c153c76aa0DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)2,855 2,899 44 1.5%
Incl. Wall Time (microsec) per call 408 414 6 1.5%
Excl. Wall Time (microsec)176 176 0 0.0%
Incl. CPU (microsecs)1,868 1,896 28 1.5%
Incl. CPU (microsecs) per call 267 271 4 1.5%
Excl. CPU (microsec)160 153 -7 -4.4%
Incl. MemUse (bytes)108,808 108,808 0 0.0%
Incl. MemUse (bytes) per call 15,544 15,544 0 0.0%
Excl. MemUse (bytes)-21,808 -21,792 16 0.1%
Incl. PeakMemUse (bytes)112,208 112,256 48 0.0%
Incl. PeakMemUse (bytes) per call 16,030 16,037 7 0.0%
Excl. PeakMemUse (bytes)8,128 8,112 -16 -0.2%

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% 44 1.2% 28 1.0% 0 0.0% 48 0.1%
Exclusive Metrics Diff for Current Function0 0.0% -7 -25.0% 16 N/A% -16 -33.3%
Parent function
Drupal\Core\Cache\DatabaseBackend::get@10 N/A% 44 100.0% 28 100.0% 0 N/A% 48 100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 37 84.1% 25 89.3% -16 N/A% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 5 11.4% 5 17.9% 0 N/A% 64 133.3%
Drupal\Core\Database\Connection::escapeTable0 N/A% 2 4.5% 3 10.7% 0 N/A% 0 0.0%
array_diff0 N/A% 0 0.0% -1 -3.6% 0 N/A% 0 0.0%
array_keys0 N/A% 0 0.0% 3 10.7% 0 N/A% 0 0.0%