Diff Report
Run #519d9d94433aa: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d9cf28420e: 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 #519d9d94433aaRun #519d9cf28420eDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)3,467 2,729 -738 -21.3%
Incl. Wall Time (microsec) per call 495 390 -105 -21.3%
Excl. Wall Time (microsec)223 189 -34 -15.2%
Incl. CPU (microsecs)1,893 1,846 -47 -2.5%
Incl. CPU (microsecs) per call 270 264 -7 -2.5%
Excl. CPU (microsec)200 165 -35 -17.5%
Incl. MemUse (bytes)108,824 108,816 -8 -0.0%
Incl. MemUse (bytes) per call 15,546 15,545 -1 -0.0%
Excl. MemUse (bytes)-21,824 -21,840 -16 -0.1%
Incl. PeakMemUse (bytes)112,256 112,288 32 0.0%
Incl. PeakMemUse (bytes) per call 16,037 16,041 5 0.0%
Excl. PeakMemUse (bytes)8,144 8,128 -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% -738 -29.3% -47 -5.0% -8 -0.0% 32 0.0%
Exclusive Metrics Diff for Current Function-34 -4.6% -35 -74.5% -16 -200.0% -16 -50.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::get@10 N/A% -738 -100.0% -47 -100.0% -8 -100.0% 32 100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -609 -82.5% -12 -25.5% 16 200.0% -160 -500.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -96 -13.0% -1 -2.1% -8 -100.0% 208 650.0%
Drupal\Core\Database\Connection::escapeTable0 N/A% 1 0.1% 0 0.0% 0 0.0% 0 0.0%
array_diff0 N/A% 0 0.0% 2 4.3% 0 0.0% 0 0.0%
array_keys0 N/A% 0 0.0% -1 -2.1% 0 0.0% 0 0.0%