Diff Report
Run #51ec66a5a877d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec623000e0c: 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 #51ec66a5a877dRun #51ec623000e0cDiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)1,800 2,068 268 14.9%
Incl. Wall Time (microsec) per call 450 517 67 14.9%
Excl. Wall Time (microsec)166 172 6 3.6%
Incl. CPU (microsecs)1,483 1,567 84 5.7%
Incl. CPU (microsecs) per call 371 392 21 5.7%
Excl. CPU (microsec)152 150 -2 -1.3%
Incl. MemUse (bytes)117,880 117,880 0 0.0%
Incl. MemUse (bytes) per call 29,470 29,470 0 0.0%
Excl. MemUse (bytes)304 304 0 0.0%
Incl. PeakMemUse (bytes)150,888 150,888 0 0.0%
Incl. PeakMemUse (bytes) per call 37,722 37,722 0 0.0%
Excl. PeakMemUse (bytes)21,296 21,296 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% 268 11.4% 84 2.4% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function6 2.2% -2 -2.4% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get@10 N/A% 287 107.1% 56 66.7% 0 N/A% 0 N/A%
Drupal\Core\Config\CachedStorage::readMultiple0 N/A% -19 -7.1% 28 33.3% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 212 79.1% 79 94.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 41 15.3% -6 -7.1% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::escapeTable0 N/A% 8 3.0% 6 7.1% 0 N/A% 0 N/A%
array_diff0 N/A% 3 1.1% 6 7.1% 0 N/A% 0 N/A%
array_keys0 N/A% -2 -0.7% 1 1.2% 0 N/A% 0 N/A%