Diff Report
Run #55f2501d384a2: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #55f250cd3eb64: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #55f2501d384a2Run #55f250cd3eb64DiffDiff%
Number of Function Calls125 125 0 0.0%
Incl. Wall Time (microsec)21,777 20,522 -1,255 -5.8%
Incl. Wall Time (microsec) per call 174 164 -10 -5.8%
Excl. Wall Time (microsec)1,183 1,136 -47 -4.0%
Incl. MemUse (bytes)4,257,280 4,257,568 288 0.0%
Incl. MemUse (bytes) per call 34,058 34,061 2 0.0%
Excl. MemUse (bytes)-1,092,696 -1,092,784 -88 -0.0%
Incl. PeakMemUse (bytes)6,066,040 6,064,752 -1,288 -0.0%
Incl. PeakMemUse (bytes) per call 48,528 48,518 -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 Function-47 -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%