Diff Report
Run #550de112c2927: XHProf Run (Namespace=drupal-perf-davidhernandez)
vs.
Run #550de0b43acdf: XHProf Run (Namespace=drupal-perf-davidhernandez)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #550de112c2927Run #550de0b43acdfDiffDiff%
Number of Function Calls17 17 0 0.0%
Incl. Wall Time (microsec)6,854 7,303 449 6.6%
Incl. Wall Time (microsec) per call 403 430 26 6.6%
Excl. Wall Time (microsec)558 599 41 7.3%
Incl. MemUse (bytes)318,160 336,440 18,280 5.7%
Incl. MemUse (bytes) per call 18,715 19,791 1,075 5.7%
Excl. MemUse (bytes)6,488 9,464 2,976 45.9%
Incl. PeakMemUse (bytes)270,664 291,880 21,216 7.8%
Incl. PeakMemUse (bytes) per call 15,921 17,169 1,248 7.8%
Excl. PeakMemUse (bytes)22,000 24,976 2,976 13.5%

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.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 449 3.8% 18,280 433.6% 21,216 631.4%
Exclusive Metrics Diff for Current Function41 9.1% 2,976 16.3% 2,976 14.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get0 N/A% 444 98.9% 18,280 100.0% 21,112 99.5%
Drupal\Core\Entity\Sql\SqlContentEntityStorage::getFromPersistentCache0 N/A% 5 1.1% 0 0.0% 104 0.5%
Child functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 224 49.9% 15,304 83.7% 18,136 85.5%
Drupal\Core\Database\Connection::query0 N/A% 172 38.3% 0 0.0% 104 0.5%
Drupal\Core\Database\Connection::escapeTable0 N/A% 7 1.6% 0 0.0% 0 0.0%
array_diff0 N/A% 4 0.9% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::normalizeCid0 N/A% 2 0.4% 0 0.0% 0 0.0%
array_keys0 N/A% -1 -0.2% 0 0.0% 0 0.0%