Diff Report
Run #51ec51f5849d9: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec517fc2424: 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 #51ec51f5849d9Run #51ec517fc2424DiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)1,938 2,127 189 9.8%
Incl. Wall Time (microsec) per call 485 532 47 9.8%
Excl. Wall Time (microsec)176 173 -3 -1.7%
Incl. CPU (microsecs)1,504 1,531 27 1.8%
Incl. CPU (microsecs) per call 376 383 7 1.8%
Excl. CPU (microsec)153 151 -2 -1.3%
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)152,912 152,912 0 0.0%
Incl. PeakMemUse (bytes) per call 38,228 38,228 0 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% 189 6.5% 27 0.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-3 -1.6% -2 -7.4% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get@10 N/A% 169 89.4% 12 44.4% 0 N/A% 0 N/A%
Drupal\Core\Config\CachedStorage::readMultiple0 N/A% 20 10.6% 15 55.6% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 99 52.4% 8 29.6% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 89 47.1% 14 51.9% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::escapeTable0 N/A% 3 1.6% 3 11.1% 0 N/A% 0 N/A%
array_diff0 N/A% 1 0.5% 1 3.7% 0 N/A% 0 N/A%
array_keys0 N/A% 0 0.0% 3 11.1% 0 N/A% 0 N/A%