Diff Report
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec52a09990a: 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 #51ec517fc2424Run #51ec52a09990aDiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)2,127 1,874 -253 -11.9%
Incl. Wall Time (microsec) per call 532 469 -63 -11.9%
Excl. Wall Time (microsec)173 180 7 4.0%
Incl. CPU (microsecs)1,531 1,455 -76 -5.0%
Incl. CPU (microsecs) per call 383 364 -19 -5.0%
Excl. CPU (microsec)151 160 9 6.0%
Incl. MemUse (bytes)117,896 117,896 0 0.0%
Incl. MemUse (bytes) per call 29,474 29,474 0 0.0%
Excl. MemUse (bytes)304 304 0 0.0%
Incl. PeakMemUse (bytes)152,912 152,952 40 0.0%
Incl. PeakMemUse (bytes) per call 38,228 38,238 10 0.0%
Excl. PeakMemUse (bytes)21,832 21,832 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% -253 -6.2% -76 -1.8% 0 0.0% 40 0.2%
Exclusive Metrics Diff for Current Function7 2.8% 9 11.8% 0 N/A% 0 0.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get@10 N/A% -236 -93.3% -63 -82.9% 0 N/A% 40 100.0%
Drupal\Core\Config\CachedStorage::readMultiple0 N/A% -17 -6.7% -13 -17.1% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -161 -63.6% -57 -75.0% 0 N/A% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -96 -37.9% -23 -30.3% 0 N/A% 40 100.0%
Drupal\Core\Database\Connection::escapeTable0 N/A% -4 -1.6% -3 -3.9% 0 N/A% 0 0.0%
array_diff0 N/A% 1 0.4% 0 0.0% 0 N/A% 0 0.0%
array_keys0 N/A% 0 0.0% -2 -2.6% 0 N/A% 0 0.0%