Diff Report
Run #52d4b60c154f6: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d4b590e6e18: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #52d4b60c154f6Run #52d4b590e6e18DiffDiff%
Number of Function Calls68 70 2 2.9%
Incl. Wall Time (microsec)23,364 24,203 839 3.6%
Incl. Wall Time (microsec) per call 344 346 2 0.6%
Excl. Wall Time (microsec)1,635 1,699 64 3.9%
Incl. CPU (microsecs)15,899 16,478 579 3.6%
Incl. CPU (microsecs) per call 234 235 2 0.7%
Excl. CPU (microsec)1,440 1,486 46 3.2%
Incl. MemUse (bytes)1,951,104 1,961,640 10,536 0.5%
Incl. MemUse (bytes) per call 28,693 28,023 -669 -2.3%
Excl. MemUse (bytes)-116,456 -125,072 -8,616 -7.4%
Incl. PeakMemUse (bytes)2,603,120 2,634,928 31,808 1.2%
Incl. PeakMemUse (bytes) per call 38,281 37,642 -639 -1.7%
Excl. PeakMemUse (bytes)202,304 204,384 2,080 1.0%

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::getMultiple2 16.7% 839 31.3% 579 25.0% 10,536 8.9% 31,808 26.8%
Exclusive Metrics Diff for Current Function64 7.6% 46 7.9% -8,616 -81.8% 2,080 6.5%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get2 100.0% 659 78.5% 482 83.2% 10,560 100.2% 31,680 99.6%
Drupal\Core\Config\CachedStorage::readMultiple0 0.0% 171 20.4% 92 15.9% -24 -0.2% 128 0.4%
Drupal\Core\Entity\FieldableEntityStorageControllerBase::loadFieldItems0 0.0% 9 1.1% 5 0.9% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query2 20.0% 530 63.2% 289 49.9% 12,344 117.2% 6,408 20.1%
Drupal\Core\Cache\DatabaseBackend::prepareItem2 20.0% 187 22.3% 185 32.0% 5,576 52.9% 23,272 73.2%
Drupal\Core\Database\Connection::escapeTable2 20.0% 57 6.8% 62 10.7% 160 1.5% 48 0.2%
array_diff2 20.0% 3 0.4% -1 -0.2% 336 3.2% 0 0.0%
array_keys2 20.0% -2 -0.2% -2 -0.3% 736 7.0% 0 0.0%