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

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #52d4b590e6e18Run #52d4b60c154f6DiffDiff%
Number of Function Calls70 68 -2 -2.9%
Incl. Wall Time (microsec)24,203 23,364 -839 -3.5%
Incl. Wall Time (microsec) per call 346 344 -2 -0.6%
Excl. Wall Time (microsec)1,699 1,635 -64 -3.8%
Incl. CPU (microsecs)16,478 15,899 -579 -3.5%
Incl. CPU (microsecs) per call 235 234 -2 -0.7%
Excl. CPU (microsec)1,486 1,440 -46 -3.1%
Incl. MemUse (bytes)1,961,640 1,951,104 -10,536 -0.5%
Incl. MemUse (bytes) per call 28,023 28,693 669 2.4%
Excl. MemUse (bytes)-125,072 -116,456 8,616 6.9%
Incl. PeakMemUse (bytes)2,634,928 2,603,120 -31,808 -1.2%
Incl. PeakMemUse (bytes) per call 37,642 38,281 639 1.7%
Excl. PeakMemUse (bytes)204,384 202,304 -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::getMultiple-2 -16.7% -839 -31.3% -579 -25.0% -10,536 -8.9% -31,808 -26.8%
Exclusive Metrics Diff for Current Function-64 -7.6% -46 -7.9% 8,616 81.8% -2,080 -6.5%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get-2 -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::query-2 -20.0% -530 -63.2% -289 -49.9% -12,344 -117.2% -6,408 -20.1%
Drupal\Core\Cache\DatabaseBackend::prepareItem-2 -20.0% -187 -22.3% -185 -32.0% -5,576 -52.9% -23,272 -73.2%
Drupal\Core\Database\Connection::escapeTable-2 -20.0% -57 -6.8% -62 -10.7% -160 -1.5% -48 -0.2%
array_diff-2 -20.0% -3 -0.4% 1 0.2% -336 -3.2% 0 0.0%
array_keys-2 -20.0% 2 0.2% 2 0.3% -736 -7.0% 0 0.0%