Diff Report
Run #51ec6582d0962: 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 #51ec6582d0962Run #51ec623000e0cDiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)1,803 2,068 265 14.7%
Incl. Wall Time (microsec) per call 451 517 66 14.7%
Excl. Wall Time (microsec)160 172 12 7.5%
Incl. CPU (microsecs)1,414 1,567 153 10.8%
Incl. CPU (microsecs) per call 354 392 38 10.8%
Excl. CPU (microsec)144 150 6 4.2%
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% 265 10.3% 153 12.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function12 4.5% 6 3.9% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get@10 N/A% 286 107.9% 125 81.7% 0 N/A% 0 N/A%
Drupal\Core\Config\CachedStorage::readMultiple0 N/A% -21 -7.9% 28 18.3% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 232 87.5% 120 78.4% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 13 4.9% 14 9.2% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::escapeTable0 N/A% 8 3.0% 7 4.6% 0 N/A% 0 N/A%
array_diff0 N/A% 0 0.0% 4 2.6% 0 N/A% 0 N/A%
array_keys0 N/A% 0 0.0% 2 1.3% 0 N/A% 0 N/A%