Diff Report
Run #52d3e85377bba: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d3e812c7cf2: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #52d3e85377bbaRun #52d3e812c7cf2DiffDiff%
Number of Function Calls65 67 2 3.1%
Incl. Wall Time (microsec)22,718 23,013 295 1.3%
Incl. Wall Time (microsec) per call 350 343 -6 -1.7%
Excl. Wall Time (microsec)1,571 1,623 52 3.3%
Incl. CPU (microsecs)15,502 15,781 279 1.8%
Incl. CPU (microsecs) per call 238 236 -3 -1.2%
Excl. CPU (microsec)1,376 1,403 27 2.0%
Incl. MemUse (bytes)1,860,008 1,871,568 11,560 0.6%
Incl. MemUse (bytes) per call 28,616 27,934 -682 -2.4%
Excl. MemUse (bytes)-112,392 -121,040 -8,648 -7.7%
Incl. PeakMemUse (bytes)2,491,048 2,519,464 28,416 1.1%
Incl. PeakMemUse (bytes) per call 38,324 37,604 -720 -1.9%
Excl. PeakMemUse (bytes)191,816 193,560 1,744 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::getMultiple2 16.7% 295 17.5% 279 17.3% 11,560 9.7% 28,416 23.8%
Exclusive Metrics Diff for Current Function52 17.6% 27 9.7% -8,648 -74.8% 1,744 6.1%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get2 100.0% 300 101.7% 254 91.0% 11,560 100.0% 47,880 168.5%
Drupal\Core\Config\CachedStorage::readMultiple0 0.0% -9 -3.1% 23 8.2% 0 0.0% -19,464 -68.5%
Drupal\Core\Entity\FieldableEntityStorageControllerBase::loadFieldItems0 0.0% 4 1.4% 2 0.7% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query2 20.0% 257 87.1% 234 83.9% 12,392 107.2% 6,320 22.2%
Drupal\Core\Database\Connection::escapeTable2 20.0% -46 -15.6% -41 -14.7% 160 1.4% 64 0.2%
Drupal\Core\Cache\DatabaseBackend::prepareItem2 20.0% 24 8.1% 42 15.1% 6,584 57.0% 20,288 71.4%
array_diff2 20.0% 4 1.4% 3 1.1% 336 2.9% 0 0.0%
array_keys2 20.0% 4 1.4% 14 5.0% 736 6.4% 0 0.0%