Diff Report
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad9c94e95b: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #534ad8dec7444Run #534ad9c94e95bDiffDiff%
Number of Function Calls128 128 0 0.0%
Incl. Wall Time (microsec)103,350 102,062 -1,288 -1.2%
Incl. Wall Time (microsec) per call 807 797 -10 -1.2%
Excl. Wall Time (microsec)5,507 5,224 -283 -5.1%
Incl. CPU (microsecs)68,062 67,392 -670 -1.0%
Incl. CPU (microsecs) per call 532 527 -5 -1.0%
Excl. CPU (microsec)4,838 4,714 -124 -2.6%
Incl. MemUse (bytes)2,501,972 2,502,544 572 0.0%
Incl. MemUse (bytes) per call 19,547 19,551 4 0.0%
Excl. MemUse (bytes)377,324 377,484 160 0.0%
Incl. PeakMemUse (bytes)3,084,084 3,084,616 532 0.0%
Incl. PeakMemUse (bytes) per call 24,094 24,099 4 0.0%
Excl. PeakMemUse (bytes)399,792 399,944 152 0.0%

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::getMultiple0 N/A% -1,288 -78.2% -670 -134.3% 572 2.4% 532 2.2%
Exclusive Metrics Diff for Current Function-283 -22.0% -124 -18.5% 160 28.0% 152 28.6%
Parent functions
Drupal\Core\Config\CachedStorage::readMultiple0 N/A% -723 -56.1% -700 -104.5% 56 9.8% -28 -5.3%
Drupal\Core\Cache\DatabaseBackend::get0 N/A% -525 -40.8% 13 1.9% 516 90.2% 560 105.3%
Drupal\Core\Entity\ContentEntityStorageBase::loadFieldItems0 N/A% -40 -3.1% 17 2.5% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -569 -44.2% -521 -77.8% 84 14.7% -8 -1.5%
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -400 -31.1% -8 -1.2% 328 57.3% 388 72.9%
Drupal\Core\Database\Connection::escapeTable0 N/A% -35 -2.7% -41 -6.1% 0 0.0% 0 0.0%
array_diff0 N/A% -1 -0.1% 9 1.3% 0 0.0% 0 0.0%
array_keys0 N/A% 0 0.0% 15 2.2% 0 0.0% 0 0.0%