Diff Report
Run #55f250764a275: 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 #55f250764a275Run #55f2501d384a2DiffDiff%
Number of Function Calls125 125 0 0.0%
Incl. Wall Time (microsec)20,190 21,777 1,587 7.9%
Incl. Wall Time (microsec) per call 162 174 13 7.9%
Excl. Wall Time (microsec)1,120 1,183 63 5.6%
Incl. MemUse (bytes)4,257,280 4,257,280 0 0.0%
Incl. MemUse (bytes) per call 34,058 34,058 0 0.0%
Excl. MemUse (bytes)-1,092,696 -1,092,696 0 0.0%
Incl. PeakMemUse (bytes)6,066,040 6,066,040 0 0.0%
Incl. PeakMemUse (bytes) per call 48,528 48,528 0 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% 1,587 18.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function63 4.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 1,587 100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% 1,004 63.3% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% 519 32.7% 0 N/A% 0 N/A%
explode0 N/A% 6 0.4% 0 N/A% 0 N/A%
spl_autoload_call0 N/A% -5 -0.3% 0 N/A% 0 N/A%