Diff Report
Run #51a14be6130cb: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a14e1b1e097: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a14be6130cbRun #51a14e1b1e097DiffDiff%
Number of Function Calls148 148 0 0.0%
Incl. Wall Time (microsec)33,234 32,897 -337 -1.0%
Incl. Wall Time (microsec) per call 225 222 -2 -1.0%
Excl. Wall Time (microsec)3,223 3,132 -91 -2.8%
Incl. CPU (microsecs)28,002 32,002 4,000 14.3%
Incl. CPU (microsecs) per call 189 216 27 14.3%
Excl. CPU (microsec)0 4,000 4,000 N/A%
Incl. MemUse (bytes)795,340 795,340 0 0.0%
Incl. MemUse (bytes) per call 5,374 5,374 0 0.0%
Excl. MemUse (bytes)-388,436 -388,436 0 0.0%
Incl. PeakMemUse (bytes)1,374,672 1,374,672 0 0.0%
Incl. PeakMemUse (bytes) per call 9,288 9,288 0 0.0%
Excl. PeakMemUse (bytes)2,492 2,492 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% -337 -37.5% 4,000 N/A% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-91 -27.0% 4,000 100.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -337 -100.0% 4,000 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -148 -43.9% 0 0.0% 0 N/A% 0 N/A%
unserialize0 N/A% -100 -29.7% 0 0.0% 0 N/A% 0 N/A%
explode0 N/A% 2 0.6% 0 0.0% 0 N/A% 0 N/A%