Diff Report
Run #53180b3960796: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #53180c595dcf8: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #53180b3960796Run #53180c595dcf8DiffDiff%
Number of Function Calls157 157 0 0.0%
Incl. Wall Time (microsec)37,077 37,029 -48 -0.1%
Incl. Wall Time (microsec) per call 236 236 -0 -0.1%
Excl. Wall Time (microsec)2,486 2,488 2 0.1%
Incl. CPU (microsecs)36,331 36,335 4 0.0%
Incl. CPU (microsecs) per call 231 231 0 0.0%
Excl. CPU (microsec)2,248 2,255 7 0.3%
Incl. MemUse (bytes)4,473,504 4,473,784 280 0.0%
Incl. MemUse (bytes) per call 28,494 28,495 2 0.0%
Excl. MemUse (bytes)-540,576 -540,552 24 0.0%
Incl. PeakMemUse (bytes)5,067,568 5,070,984 3,416 0.1%
Incl. PeakMemUse (bytes) per call 32,278 32,299 22 0.1%
Excl. PeakMemUse (bytes)9,608 9,480 -128 -1.3%

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% -48 -3.5% 4 0.3% 280 0.1% 3,416 0.9%
Exclusive Metrics Diff for Current Function2 4.2% 7 175.0% 24 8.6% -128 -3.7%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -48 -100.0% 4 100.0% 280 100.0% 3,416 100.0%
Child functions
unserialize0 N/A% -162 -337.5% -154 -3850.0% 280 100.0% 5,120 149.9%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 102 212.5% 139 3475.0% 0 0.0% -1,544 -45.2%
explode0 N/A% 14 29.2% 17 425.0% -24 -8.6% -32 -0.9%
spl_autoload_call0 N/A% -4 -8.3% -5 -125.0% 0 0.0% 0 0.0%