Diff Report
Run #53180bc98020f: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #53180b3960796: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #53180bc98020fRun #53180b3960796DiffDiff%
Number of Function Calls157 157 0 0.0%
Incl. Wall Time (microsec)37,585 37,077 -508 -1.4%
Incl. Wall Time (microsec) per call 239 236 -3 -1.4%
Excl. Wall Time (microsec)2,548 2,486 -62 -2.4%
Incl. CPU (microsecs)36,868 36,331 -537 -1.5%
Incl. CPU (microsecs) per call 235 231 -3 -1.5%
Excl. CPU (microsec)2,309 2,248 -61 -2.6%
Incl. MemUse (bytes)4,473,504 4,473,504 0 0.0%
Incl. MemUse (bytes) per call 28,494 28,494 0 0.0%
Excl. MemUse (bytes)-540,576 -540,576 0 0.0%
Incl. PeakMemUse (bytes)5,067,568 5,067,568 0 0.0%
Incl. PeakMemUse (bytes) per call 32,278 32,278 0 0.0%
Excl. PeakMemUse (bytes)9,608 9,608 0 0.0%

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% -508 -14.1% -537 -16.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-62 -12.2% -61 -11.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -508 -100.0% -537 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -235 -46.3% -262 -48.8% 0 N/A% 0 N/A%
unserialize0 N/A% -192 -37.8% -188 -35.0% 0 N/A% 0 N/A%
explode0 N/A% -11 -2.2% -18 -3.4% 0 N/A% 0 N/A%
spl_autoload_call0 N/A% -8 -1.6% -8 -1.5% 0 N/A% 0 N/A%