Diff Report
Run #519d4cd4e396d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d4d6ecb28c: 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 #519d4cd4e396dRun #519d4d6ecb28cDiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)4,533 4,727 194 4.3%
Incl. Wall Time (microsec) per call 648 675 28 4.3%
Excl. Wall Time (microsec)314 297 -17 -5.4%
Incl. CPU (microsecs)2,585 2,698 113 4.4%
Incl. CPU (microsecs) per call 369 385 16 4.4%
Excl. CPU (microsec)274 266 -8 -2.9%
Incl. MemUse (bytes)60,880 60,880 0 0.0%
Incl. MemUse (bytes) per call 8,697 8,697 0 0.0%
Excl. MemUse (bytes)7,576 7,576 0 0.0%
Incl. PeakMemUse (bytes)76,428 76,428 0 0.0%
Incl. PeakMemUse (bytes) per call 10,918 10,918 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% 194 25.7% 113 35.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-17 -8.8% -8 -7.1% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::get@10 N/A% 194 100.0% 113 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 113 58.2% 77 68.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::query0 N/A% 98 50.5% 47 41.6% 0 N/A% 0 N/A%
array_diff0 N/A% -1 -0.5% 1 0.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::escapeTable0 N/A% 1 0.5% -2 -1.8% 0 N/A% 0 N/A%
array_keys0 N/A% 0 0.0% -2 -1.8% 0 N/A% 0 N/A%