Diff Report
Run #519af3b0bf970: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519af56893788: 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 #519af3b0bf970Run #519af56893788DiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)686 681 -5 -0.7%
Incl. Wall Time (microsec) per call 86 85 -1 -0.7%
Excl. Wall Time (microsec)112 109 -3 -2.7%
Incl. CPU (microsecs)598 596 -2 -0.3%
Incl. CPU (microsecs) per call 75 75 -0 -0.3%
Excl. CPU (microsec)102 92 -10 -9.8%
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)76,984 77,024 40 0.1%
Incl. PeakMemUse (bytes) per call 9,623 9,628 5 0.1%
Excl. PeakMemUse (bytes)1,776 1,728 -48 -2.7%

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 Function-3 -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%