Diff Report
Run #52e4374042ace: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e436ce9c71d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #52e4374042aceRun #52e436ce9c71dDiffDiff%
Number of Function Calls85 84 -1 -1.2%
Incl. Wall Time (microsec)34,342 33,771 -571 -1.7%
Incl. Wall Time (microsec) per call 404 402 -2 -0.5%
Excl. Wall Time (microsec)2,419 2,253 -166 -6.9%
Incl. CPU (microsecs)23,464 23,006 -458 -2.0%
Incl. CPU (microsecs) per call 276 274 -2 -0.8%
Excl. CPU (microsec)2,151 1,984 -167 -7.8%
Incl. MemUse (bytes)2,790,640 2,773,496 -17,144 -0.6%
Incl. MemUse (bytes) per call 32,831 33,018 187 0.6%
Excl. MemUse (bytes)-71,552 -68,760 2,792 3.9%
Incl. PeakMemUse (bytes)3,722,864 3,690,184 -32,680 -0.9%
Incl. PeakMemUse (bytes) per call 43,798 43,931 132 0.3%
Excl. PeakMemUse (bytes)308,512 305,880 -2,632 -0.9%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::getMultiple [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-1 -16.7% -571 -49.0% -458 -45.2% -17,144 -21.1% -32,680 -40.8%
Exclusive Metrics Diff for Current Function-166 -29.1% -167 -36.5% 2,792 16.3% -2,632 -8.1%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get-1 -100.0% -332 -58.1% -245 -53.5% -17,216 -100.4% -31,920 -97.7%
Drupal\Core\Config\CachedStorage::readMultiple0 0.0% -301 -52.7% -219 -47.8% 72 0.4% -760 -2.3%
Drupal\Core\Entity\FieldableEntityStorageControllerBase::loadFieldItems0 0.0% 62 10.9% 6 1.3% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query-1 -20.0% -225 -39.4% -109 -23.8% -5,872 -34.3% -3,272 -10.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem-1 -20.0% -153 -26.8% -159 -34.7% -13,416 -78.3% -26,768 -81.9%
Drupal\Core\Database\Connection::escapeTable-1 -20.0% -27 -4.7% -26 -5.7% -80 -0.5% -8 -0.0%
array_diff-1 -20.0% 1 0.2% -8 -1.7% -168 -1.0% 0 0.0%
array_keys-1 -20.0% -1 -0.2% 11 2.4% -400 -2.3% 0 0.0%