Diff Report
Run #51aaed0fcbd4e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51aaed996e9e3: 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 #51aaed0fcbd4eRun #51aaed996e9e3DiffDiff%
Number of Function Calls9 9 0 0.0%
Incl. Wall Time (microsec)1,478 1,468 -10 -0.7%
Incl. Wall Time (microsec) per call 164 163 -1 -0.7%
Excl. Wall Time (microsec)135 135 0 0.0%
Incl. CPU (microsecs)1,236 1,228 -8 -0.6%
Incl. CPU (microsecs) per call 137 136 -1 -0.6%
Excl. CPU (microsec)119 125 6 5.0%
Incl. MemUse (bytes)271,152 271,160 8 0.0%
Incl. MemUse (bytes) per call 30,128 30,129 1 0.0%
Excl. MemUse (bytes)-42,136 -42,136 0 0.0%
Incl. PeakMemUse (bytes)296,168 296,400 232 0.1%
Incl. PeakMemUse (bytes) per call 32,908 32,933 26 0.1%
Excl. PeakMemUse (bytes)2,272 2,272 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% -10 -1.3% -8 -1.8% 8 0.0% 232 0.4%
Exclusive Metrics Diff for Current Function0 0.0% 6 75.0% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -10 -100.0% -8 -100.0% 8 100.0% 232 100.0%
Child functions
unserialize@10 N/A% -10 -100.0% -11 -137.5% 8 100.0% 232 100.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -1 -10.0% -1 -12.5% 0 0.0% 0 0.0%
explode0 N/A% 1 10.0% -2 -25.0% 0 0.0% 0 0.0%