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

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #52e436ce9c71dRun #52e4374042aceDiffDiff%
Number of Function Calls84 85 1 1.2%
Incl. Wall Time (microsec)33,771 34,342 571 1.7%
Incl. Wall Time (microsec) per call 402 404 2 0.5%
Excl. Wall Time (microsec)2,253 2,419 166 7.4%
Incl. CPU (microsecs)23,006 23,464 458 2.0%
Incl. CPU (microsecs) per call 274 276 2 0.8%
Excl. CPU (microsec)1,984 2,151 167 8.4%
Incl. MemUse (bytes)2,773,496 2,790,640 17,144 0.6%
Incl. MemUse (bytes) per call 33,018 32,831 -187 -0.6%
Excl. MemUse (bytes)-68,760 -71,552 -2,792 -4.1%
Incl. PeakMemUse (bytes)3,690,184 3,722,864 32,680 0.9%
Incl. PeakMemUse (bytes) per call 43,931 43,798 -132 -0.3%
Excl. PeakMemUse (bytes)305,880 308,512 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::getMultiple1 16.7% 571 49.0% 458 45.2% 17,144 21.1% 32,680 40.8%
Exclusive Metrics Diff for Current Function166 29.1% 167 36.5% -2,792 -16.3% 2,632 8.1%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get1 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::query1 20.0% 225 39.4% 109 23.8% 5,872 34.3% 3,272 10.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem1 20.0% 153 26.8% 159 34.7% 13,416 78.3% 26,768 81.9%
Drupal\Core\Database\Connection::escapeTable1 20.0% 27 4.7% 26 5.7% 80 0.5% 8 0.0%
array_diff1 20.0% -1 -0.2% 8 1.7% 168 1.0% 0 0.0%
array_keys1 20.0% 1 0.2% -11 -2.4% 400 2.3% 0 0.0%