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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52f30b8747627Run #52f30aadf2c65DiffDiff%
Number of Function Calls205 205 0 0.0%
Incl. Wall Time (microsec)24,811 22,646 -2,165 -8.7%
Incl. Wall Time (microsec) per call 121 110 -11 -8.7%
Excl. Wall Time (microsec)2,685 2,738 53 2.0%
Incl. CPU (microsecs)24,601 22,496 -2,105 -8.6%
Incl. CPU (microsecs) per call 120 110 -10 -8.6%
Excl. CPU (microsec)2,471 2,511 40 1.6%
Incl. MemUse (bytes)3,097,568 3,097,256 -312 -0.0%
Incl. MemUse (bytes) per call 15,110 15,109 -2 -0.0%
Excl. MemUse (bytes)-428,688 -428,520 168 0.0%
Incl. PeakMemUse (bytes)3,649,832 3,658,736 8,904 0.2%
Incl. PeakMemUse (bytes) per call 17,804 17,847 43 0.2%
Excl. PeakMemUse (bytes)8,480 8,656 176 2.1%

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 Function53 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%