Diff Report
Run #535139ab6e707: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #53513afe3c568: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #535139ab6e707Run #53513afe3c568DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)167 187 20 12.0%
Incl. Wall Time (microsec) per call 167 187 20 12.0%
Excl. Wall Time (microsec)14 14 0 0.0%
Incl. CPU (microsecs)168 189 21 12.5%
Incl. CPU (microsecs) per call 168 189 21 12.5%
Excl. CPU (microsec)12 14 2 16.7%
Incl. MemUse (bytes)63,080 63,080 0 0.0%
Incl. MemUse (bytes) per call 63,080 63,080 0 0.0%
Excl. MemUse (bytes)-15,152 -15,152 0 0.0%
Incl. PeakMemUse (bytes)82,488 82,488 0 0.0%
Incl. PeakMemUse (bytes) per call 82,488 82,488 0 0.0%
Excl. PeakMemUse (bytes)672 672 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem@1 [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::prepareItem@10 N/A% 20 0.4% 21 0.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function0 0.0% 2 9.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 20 100.0% 21 100.0% 0 N/A% 0 N/A%
Child functions
unserialize@10 N/A% 19 95.0% 18 85.7% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 1 5.0% 1 4.8% 0 N/A% 0 N/A%