Diff Report
Run #544337f542f97: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #544333b05173f: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #544337f542f97Run #544333b05173fDiffDiff%
Number of Function Calls70 70 0 0.0%
Incl. Wall Time (microsec)10,298 9,900 -398 -3.9%
Incl. Wall Time (microsec) per call 147 141 -6 -3.9%
Excl. Wall Time (microsec)1,179 1,079 -100 -8.5%
Incl. CPU (microsecs)9,928 9,529 -399 -4.0%
Incl. CPU (microsecs) per call 142 136 -6 -4.0%
Excl. CPU (microsec)1,000 908 -92 -9.2%
Incl. MemUse (bytes)1,494,512 1,494,184 -328 -0.0%
Incl. MemUse (bytes) per call 21,350 21,345 -5 -0.0%
Excl. MemUse (bytes)-209,736 -209,736 0 0.0%
Incl. PeakMemUse (bytes)1,760,880 1,759,696 -1,184 -0.1%
Incl. PeakMemUse (bytes) per call 25,155 25,139 -17 -0.1%
Excl. PeakMemUse (bytes)1,752 1,704 -48 -2.7%

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% -398 -11.8% -399 -5.1% -328 -0.3% -1,184 -1.2%
Exclusive Metrics Diff for Current Function-100 -25.1% -92 -23.1% 0 0.0% -48 -4.1%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -398 -100.0% -399 -100.0% -328 -100.0% -1,184 -100.0%
Child functions
unserialize0 N/A% -183 -46.0% -152 -38.1% -312 -95.1% -728 -61.5%
spl_autoload_call0 N/A% -82 -20.6% -82 -20.6% 0 0.0% 0 0.0%
explode0 N/A% -23 -5.8% -23 -5.8% 0 0.0% -80 -6.8%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -10 -2.5% -50 -12.5% -16 -4.9% -328 -27.7%