Diff Report
Run #52f30aadf2c65: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52f30b8747627: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52f30aadf2c65Run #52f30b8747627DiffDiff%
Number of Function Calls205 205 0 0.0%
Incl. Wall Time (microsec)22,646 24,811 2,165 9.6%
Incl. Wall Time (microsec) per call 110 121 11 9.6%
Excl. Wall Time (microsec)2,738 2,685 -53 -1.9%
Incl. CPU (microsecs)22,496 24,601 2,105 9.4%
Incl. CPU (microsecs) per call 110 120 10 9.4%
Excl. CPU (microsec)2,511 2,471 -40 -1.6%
Incl. MemUse (bytes)3,097,256 3,097,568 312 0.0%
Incl. MemUse (bytes) per call 15,109 15,110 2 0.0%
Excl. MemUse (bytes)-428,520 -428,688 -168 -0.0%
Incl. PeakMemUse (bytes)3,658,736 3,649,832 -8,904 -0.2%
Incl. PeakMemUse (bytes) per call 17,847 17,804 -43 -0.2%
Excl. PeakMemUse (bytes)8,656 8,480 -176 -2.0%

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% 2,165 51.6% 2,105 51.6% 312 0.4% -8,904 -12.3%
Exclusive Metrics Diff for Current Function-53 -2.4% -40 -1.9% -168 -53.8% -176 -2.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 2,165 100.0% 2,105 100.0% 312 100.0% -8,904 -100.0%
Child functions
unserialize0 N/A% 2,155 99.5% 2,132 101.3% 504 161.5% -9,400 -105.6%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 52 2.4% 3 0.1% 0 0.0% 712 8.0%
explode0 N/A% 9 0.4% 8 0.4% -24 -7.7% 0 0.0%
spl_autoload_call0 N/A% 2 0.1% 2 0.1% 0 0.0% -40 -0.4%