Diff Report
Run #51aaed996e9e3: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51aaed0fcbd4e: 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 #51aaed996e9e3Run #51aaed0fcbd4eDiffDiff%
Number of Function Calls9 9 0 0.0%
Incl. Wall Time (microsec)1,468 1,478 10 0.7%
Incl. Wall Time (microsec) per call 163 164 1 0.7%
Excl. Wall Time (microsec)135 135 0 0.0%
Incl. CPU (microsecs)1,228 1,236 8 0.7%
Incl. CPU (microsecs) per call 136 137 1 0.7%
Excl. CPU (microsec)125 119 -6 -4.8%
Incl. MemUse (bytes)271,160 271,152 -8 -0.0%
Incl. MemUse (bytes) per call 30,129 30,128 -1 -0.0%
Excl. MemUse (bytes)-42,136 -42,136 0 0.0%
Incl. PeakMemUse (bytes)296,400 296,168 -232 -0.1%
Incl. PeakMemUse (bytes) per call 32,933 32,908 -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%