Diff Report
Run #51a287f454ce8: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51a287779d22e: XHProf Run (Namespace=drupal-perf-joelpittet)
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 #51a287f454ce8Run #51a287779d22eDiffDiff%
Number of Function Calls6 6 0 0.0%
Incl. Wall Time (microsec)387 388 1 0.3%
Incl. Wall Time (microsec) per call 65 65 0 0.3%
Excl. Wall Time (microsec)117 122 5 4.3%
Incl. CPU (microsecs)388 392 4 1.0%
Incl. CPU (microsecs) per call 65 65 1 1.0%
Excl. CPU (microsec)107 113 6 5.6%
Incl. MemUse (bytes)34,072 34,072 0 0.0%
Incl. MemUse (bytes) per call 5,679 5,679 0 0.0%
Excl. MemUse (bytes)-3,936 -3,936 0 0.0%
Incl. PeakMemUse (bytes)30,568 30,568 0 0.0%
Incl. PeakMemUse (bytes) per call 5,095 5,095 0 0.0%
Excl. PeakMemUse (bytes)1,752 1,752 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% 1 0.2% 4 0.3% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function5 500.0% 6 150.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 1 100.0% 4 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -7 -700.0% -4 -100.0% 0 N/A% 0 N/A%
unserialize@10 N/A% 3 300.0% 2 50.0% 0 N/A% 0 N/A%