Diff Report
Run #519aa37b5bebd: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519aa45581fb3: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #519aa37b5bebdRun #519aa45581fb3DiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)1,215 1,255 40 3.3%
Incl. Wall Time (microsec) per call 152 157 5 3.3%
Excl. Wall Time (microsec)188 211 23 12.2%
Incl. CPU (microsecs)1,167 1,249 82 7.0%
Incl. CPU (microsecs) per call 146 156 10 7.0%
Excl. CPU (microsec)177 199 22 12.4%
Incl. MemUse (bytes)82,912 82,912 0 0.0%
Incl. MemUse (bytes) per call 10,364 10,364 0 0.0%
Excl. MemUse (bytes)-12,208 -12,208 0 0.0%
Incl. PeakMemUse (bytes)123,504 123,504 0 0.0%
Incl. PeakMemUse (bytes) per call 15,438 15,438 0 0.0%
Excl. PeakMemUse (bytes)528 528 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% 40 0.5% 82 1.5% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function23 57.5% 22 26.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 40 100.0% 82 100.0% 0 N/A% 0 N/A%
Child functions
unserialize@10 N/A% 49 122.5% 49 59.8% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -32 -80.0% 13 15.9% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% -2 -2.4% 0 N/A% 0 N/A%