Diff Report
Run #55a8732244c39: XHProf Run (Namespace=drupal-perf-lauriii)
vs.
Run #55a8735248325: XHProf Run (Namespace=drupal-perf-lauriii)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #55a8732244c39Run #55a8735248325DiffDiff%
Number of Function Calls58 55 -3 -5.2%
Incl. Wall Time (microsec)5,060 4,487 -573 -11.3%
Incl. Wall Time (microsec) per call 87 82 -6 -6.5%
Excl. Wall Time (microsec)300 282 -18 -6.0%
Incl. MemUse (bytes)2,390,904 2,005,496 -385,408 -16.1%
Incl. MemUse (bytes) per call 41,222 36,464 -4,759 -11.5%
Excl. MemUse (bytes)-323,184 -244,656 78,528 24.3%
Incl. PeakMemUse (bytes)2,999,168 2,528,616 -470,552 -15.7%
Incl. PeakMemUse (bytes) per call 51,710 45,975 -5,735 -11.1%
Excl. PeakMemUse (bytes)480 480 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem [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::prepareItem-3 -25.0% -573 -9.3% -385,408 -37.5% -470,552 -44.8%
Exclusive Metrics Diff for Current Function-18 -3.1% 78,528 20.4% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple-3 -100.0% -573 -100.0% -385,408 -100.0% -470,552 -100.0%
Child functions
unserialize-3 -33.3% -413 -72.1% -462,416 -120.0% -464,976 -98.8%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid-3 -33.3% -141 -24.6% -512 -0.1% -5,576 -1.2%
explode-3 -33.3% -1 -0.2% -1,008 -0.3% 0 0.0%