Diff Report
Run #51ca5414b31d9: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ca54a312a65: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51ca5414b31d9Run #51ca54a312a65DiffDiff%
Number of Function Calls64 64 0 0.0%
Incl. Wall Time (microsec)26,997 26,726 -271 -1.0%
Incl. Wall Time (microsec) per call 422 418 -4 -1.0%
Excl. Wall Time (microsec)1,331 1,264 -67 -5.0%
Incl. CPU (microsecs)22,623 22,590 -33 -0.1%
Incl. CPU (microsecs) per call 353 353 -1 -0.1%
Excl. CPU (microsec)1,239 1,170 -69 -5.6%
Incl. MemUse (bytes)1,977,968 1,978,920 952 0.0%
Incl. MemUse (bytes) per call 30,906 30,921 15 0.0%
Excl. MemUse (bytes)-180,944 -181,120 -176 -0.1%
Incl. PeakMemUse (bytes)2,470,624 2,469,312 -1,312 -0.1%
Incl. PeakMemUse (bytes) per call 38,604 38,583 -21 -0.1%
Excl. PeakMemUse (bytes)5,528 5,584 56 1.0%

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% -271 -24.7% -33 -15.2% 952 1.1% -1,312 -1.6%
Exclusive Metrics Diff for Current Function-67 -24.7% -69 -209.1% -176 -18.5% 56 4.3%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -271 -100.0% -33 -100.0% 952 100.0% -1,312 -100.0%
Child functions
unserialize0 N/A% -244 -90.0% -75 -227.3% 1,160 121.8% -672 -51.2%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 44 16.2% 112 339.4% 0 0.0% -696 -53.0%
explode0 N/A% -4 -1.5% -1 -3.0% -32 -3.4% 0 0.0%