Diff Report
Run #55f250cd3eb64: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #55f2501d384a2: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip
Click a function name below to drill down.

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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #55f250cd3eb64Run #55f2501d384a2DiffDiff%
Number of Function Calls125 125 0 0.0%
Incl. Wall Time (microsec)20,522 21,777 1,255 6.1%
Incl. Wall Time (microsec) per call 164 174 10 6.1%
Excl. Wall Time (microsec)1,136 1,183 47 4.1%
Incl. MemUse (bytes)4,257,568 4,257,280 -288 -0.0%
Incl. MemUse (bytes) per call 34,061 34,058 -2 -0.0%
Excl. MemUse (bytes)-1,092,784 -1,092,696 88 0.0%
Incl. PeakMemUse (bytes)6,064,752 6,066,040 1,288 0.0%
Incl. PeakMemUse (bytes) per call 48,518 48,528 10 0.0%
Excl. PeakMemUse (bytes)936 936 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::prepareItem0 N/A% 1,255 3.7% -288 -1.3% 1,288 5.7%
Exclusive Metrics Diff for Current Function47 3.7% 88 30.6% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 1,255 100.0% -288 -100.0% 1,288 100.0%
Child functions
unserialize0 N/A% 763 60.8% -376 -130.6% 1,320 102.5%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% 463 36.9% 0 0.0% -32 -2.5%
spl_autoload_call0 N/A% -14 -1.1% 0 0.0% 0 0.0%
explode0 N/A% -4 -0.3% 0 0.0% 0 0.0%