Diff Report
Run #557c27da9db93: XHProf Run (Namespace=drupal-perf-lauriii)
vs.
Run #557c2635273b3: XHProf Run (Namespace=drupal-perf-lauriii)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #557c27da9db93Run #557c2635273b3DiffDiff%
Number of Function Calls183 181 -2 -1.1%
Incl. Wall Time (microsec)11,957 11,596 -361 -3.0%
Incl. Wall Time (microsec) per call 65 64 -1 -1.9%
Excl. Wall Time (microsec)1,248 1,300 52 4.2%
Incl. MemUse (bytes)4,314,992 4,015,232 -299,760 -6.9%
Incl. MemUse (bytes) per call 23,579 22,184 -1,396 -5.9%
Excl. MemUse (bytes)-665,552 -609,416 56,136 8.4%
Incl. PeakMemUse (bytes)5,008,704 4,674,360 -334,344 -6.7%
Incl. PeakMemUse (bytes) per call 27,370 25,825 -1,545 -5.6%
Excl. PeakMemUse (bytes)536 536 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-2 -25.0% -361 -1.5% -299,760 -39.6% -334,344 -67.1%
Exclusive Metrics Diff for Current Function52 14.4% 56,136 18.7% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple-2 -100.0% -361 -100.0% -299,760 -100.0% -334,344 -100.0%
Child functions
unserialize-2 -33.3% -503 -139.3% -355,128 -118.5% -333,992 -99.9%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid-2 -33.3% 91 25.2% -96 -0.0% -352 -0.1%
explode-2 -33.3% -1 -0.3% -672 -0.2% 0 0.0%