Diff Report
Run #52c2677cc22b0: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52c2694eecde3: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52c2677cc22b0Run #52c2694eecde3DiffDiff%
Number of Function Calls67 67 0 0.0%
Incl. Wall Time (microsec)11,686 11,219 -467 -4.0%
Incl. Wall Time (microsec) per call 174 167 -7 -4.0%
Excl. Wall Time (microsec)1,406 1,338 -68 -4.8%
Incl. CPU (microsecs)11,365 10,922 -443 -3.9%
Incl. CPU (microsecs) per call 170 163 -7 -3.9%
Excl. CPU (microsec)1,310 1,243 -67 -5.1%
Incl. MemUse (bytes)1,234,816 1,235,592 776 0.1%
Incl. MemUse (bytes) per call 18,430 18,442 12 0.1%
Excl. MemUse (bytes)-197,272 -197,456 -184 -0.1%
Incl. PeakMemUse (bytes)1,474,480 1,474,888 408 0.0%
Incl. PeakMemUse (bytes) per call 22,007 22,013 6 0.0%
Excl. PeakMemUse (bytes)3,680 3,672 -8 -0.2%

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% -467 -1.1% -443 -1.1% 776 1.0% 408 0.2%
Exclusive Metrics Diff for Current Function-68 -14.6% -67 -15.1% -184 -23.7% -8 -2.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -467 -100.0% -443 -100.0% 776 100.0% 408 100.0%
Child functions
unserialize0 N/A% -212 -45.4% -215 -48.5% 960 123.7% 584 143.1%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -191 -40.9% -173 -39.1% 24 3.1% -168 -41.2%
explode0 N/A% 4 0.9% 12 2.7% -24 -3.1% 0 0.0%