Diff Report
Run #52e97bda33da9: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52e97b490de91: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52e97bda33da9Run #52e97b490de91DiffDiff%
Number of Function Calls82 82 0 0.0%
Incl. Wall Time (microsec)19,479 19,583 104 0.5%
Incl. Wall Time (microsec) per call 238 239 1 0.5%
Excl. Wall Time (microsec)1,704 1,709 5 0.3%
Incl. CPU (microsecs)19,148 19,246 98 0.5%
Incl. CPU (microsecs) per call 234 235 1 0.5%
Excl. CPU (microsec)1,588 1,567 -21 -1.3%
Incl. MemUse (bytes)2,269,080 2,269,080 0 0.0%
Incl. MemUse (bytes) per call 27,672 27,672 0 0.0%
Excl. MemUse (bytes)-264,400 -264,400 0 0.0%
Incl. PeakMemUse (bytes)2,786,656 2,786,656 0 0.0%
Incl. PeakMemUse (bytes) per call 33,984 33,984 0 0.0%
Excl. PeakMemUse (bytes)7,576 7,576 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% 104 26.7% 98 6.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function5 4.8% -21 -21.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 104 100.0% 98 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 59 56.7% 60 61.2% 0 N/A% 0 N/A%
unserialize0 N/A% 41 39.4% 62 63.3% 0 N/A% 0 N/A%
spl_autoload_call0 N/A% -3 -2.9% -1 -1.0% 0 N/A% 0 N/A%
explode0 N/A% 2 1.9% -2 -2.0% 0 N/A% 0 N/A%