Diff Report
Run #5206d6d973591: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5206d663ca0ba: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #5206d6d973591Run #5206d663ca0baDiffDiff%
Number of Function Calls112 112 0 0.0%
Incl. Wall Time (microsec)31,027 31,516 489 1.6%
Incl. Wall Time (microsec) per call 277 281 4 1.6%
Excl. Wall Time (microsec)2,384 2,384 0 0.0%
Incl. CPU (microsecs)26,232 26,490 258 1.0%
Incl. CPU (microsecs) per call 234 237 2 1.0%
Excl. CPU (microsec)2,239 2,225 -14 -0.6%
Incl. MemUse (bytes)2,408,080 2,408,080 0 0.0%
Incl. MemUse (bytes) per call 21,501 21,501 0 0.0%
Excl. MemUse (bytes)-343,792 -343,792 0 0.0%
Incl. PeakMemUse (bytes)2,939,432 2,939,432 0 0.0%
Incl. PeakMemUse (bytes) per call 26,245 26,245 0 0.0%
Excl. PeakMemUse (bytes)8,664 8,664 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. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 489 171.6% 258 150.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function0 0.0% -14 -5.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 489 100.0% 258 100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% 573 117.2% 238 92.2% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -74 -15.1% 41 15.9% 0 N/A% 0 N/A%
explode0 N/A% -10 -2.0% -7 -2.7% 0 N/A% 0 N/A%