Diff Report
Run #557c2635273b3: XHProf Run (Namespace=drupal-perf-lauriii)
vs.
Run #557c27da9db93: XHProf Run (Namespace=drupal-perf-lauriii)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #557c2635273b3Run #557c27da9db93DiffDiff%
Number of Function Calls181 183 2 1.1%
Incl. Wall Time (microsec)11,596 11,957 361 3.1%
Incl. Wall Time (microsec) per call 64 65 1 2.0%
Excl. Wall Time (microsec)1,300 1,248 -52 -4.0%
Incl. MemUse (bytes)4,015,232 4,314,992 299,760 7.5%
Incl. MemUse (bytes) per call 22,184 23,579 1,396 6.3%
Excl. MemUse (bytes)-609,416 -665,552 -56,136 -9.2%
Incl. PeakMemUse (bytes)4,674,360 5,008,704 334,344 7.2%
Incl. PeakMemUse (bytes) per call 25,825 27,370 1,545 6.0%
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::prepareItem2 25.0% 361 1.5% 299,760 39.6% 334,344 67.1%
Exclusive Metrics Diff for Current Function-52 -14.4% -56,136 -18.7% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple2 100.0% 361 100.0% 299,760 100.0% 334,344 100.0%
Child functions
unserialize2 33.3% 503 139.3% 355,128 118.5% 333,992 99.9%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid2 33.3% -91 -25.2% 96 0.0% 352 0.1%
explode2 33.3% 1 0.3% 672 0.2% 0 0.0%