Diff Report
Run #51f5bb078e5a7: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51f5bbaa8fc1d: 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 #51f5bb078e5a7Run #51f5bbaa8fc1dDiffDiff%
Number of Function Calls9 9 0 0.0%
Incl. Wall Time (microsec)1,000 1,066 66 6.6%
Incl. Wall Time (microsec) per call 111 118 7 6.6%
Excl. Wall Time (microsec)104 109 5 4.8%
Incl. CPU (microsecs)705 733 28 4.0%
Incl. CPU (microsecs) per call 78 81 3 4.0%
Excl. CPU (microsec)90 109 19 21.1%
Incl. MemUse (bytes)81,912 81,912 0 0.0%
Incl. MemUse (bytes) per call 9,101 9,101 0 0.0%
Excl. MemUse (bytes)-13,752 -13,752 0 0.0%
Incl. PeakMemUse (bytes)97,728 97,728 0 0.0%
Incl. PeakMemUse (bytes) per call 10,859 10,859 0 0.0%
Excl. PeakMemUse (bytes)1,328 1,328 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% 66 1.4% 28 0.6% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function5 7.6% 19 67.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 66 100.0% 28 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 46 69.7% 1 3.6% 0 N/A% 0 N/A%
unserialize@10 N/A% 14 21.2% 8 28.6% 0 N/A% 0 N/A%
explode0 N/A% 1 1.5% 0 0.0% 0 N/A% 0 N/A%