Diff Report
Run #54e177a08308d: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #54e17147d69ca: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #54e177a08308dRun #54e17147d69caDiffDiff%
Number of Function Calls88 88 0 0.0%
Incl. Wall Time (microsec)9,535 8,839 -696 -7.3%
Incl. Wall Time (microsec) per call 108 100 -8 -7.3%
Excl. Wall Time (microsec)1,016 920 -96 -9.4%
Incl. MemUse (bytes)1,452,024 1,452,560 536 0.0%
Incl. MemUse (bytes) per call 16,500 16,506 6 0.0%
Excl. MemUse (bytes)-196,024 -196,048 -24 -0.0%
Incl. PeakMemUse (bytes)1,323,272 1,323,360 88 0.0%
Incl. PeakMemUse (bytes) per call 15,037 15,038 1 0.0%
Excl. PeakMemUse (bytes)592 560 -32 -5.4%

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.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -696 -0.6% 536 2.4% 88 0.4%
Exclusive Metrics Diff for Current Function-96 -13.8% -24 -4.5% -32 -36.4%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -696 -100.0% 536 100.0% 88 100.0%
Child functions
unserialize0 N/A% -435 -62.5% 584 109.0% 136 154.5%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% -160 -23.0% -24 -4.5% -16 -18.2%
explode0 N/A% -5 -0.7% 0 0.0% 0 0.0%