Diff Report
Run #53513afe3c568: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #535139ab6e707: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #53513afe3c568Run #535139ab6e707DiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)187 167 -20 -10.7%
Incl. Wall Time (microsec) per call 187 167 -20 -10.7%
Excl. Wall Time (microsec)14 14 0 0.0%
Incl. CPU (microsecs)189 168 -21 -11.1%
Incl. CPU (microsecs) per call 189 168 -21 -11.1%
Excl. CPU (microsec)14 12 -2 -14.3%
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%