Diff Report
Run #519af56893788: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519af3b0bf970: 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 #519af56893788Run #519af3b0bf970DiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)681 686 5 0.7%
Incl. Wall Time (microsec) per call 85 86 1 0.7%
Excl. Wall Time (microsec)109 112 3 2.8%
Incl. CPU (microsecs)596 598 2 0.3%
Incl. CPU (microsecs) per call 75 75 0 0.3%
Excl. CPU (microsec)92 102 10 10.9%
Incl. MemUse (bytes)82,328 82,328 0 0.0%
Incl. MemUse (bytes) per call 10,291 10,291 0 0.0%
Excl. MemUse (bytes)-13,112 -13,112 0 0.0%
Incl. PeakMemUse (bytes)77,024 76,984 -40 -0.1%
Incl. PeakMemUse (bytes) per call 9,628 9,623 -5 -0.1%
Excl. PeakMemUse (bytes)1,728 1,776 48 2.8%

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% 5 0.9% 2 0.4% 0 0.0% -40 -0.1%
Exclusive Metrics Diff for Current Function3 60.0% 10 500.0% 0 N/A% 48 120.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 5 100.0% 2 100.0% 0 N/A% -40 -100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 9 180.0% -4 -200.0% 0 N/A% -80 -200.0%
unserialize@10 N/A% -7 -140.0% -3 -150.0% 0 N/A% -8 -20.0%
explode0 N/A% 0 0.0% -1 -50.0% 0 N/A% 0 0.0%