Diff Report
Run #519b0e62696b0: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519b130ea93e9: 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 #519b0e62696b0Run #519b130ea93e9DiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)1,138 1,177 39 3.4%
Incl. Wall Time (microsec) per call 142 147 5 3.4%
Excl. Wall Time (microsec)173 217 44 25.4%
Incl. CPU (microsecs)1,092 1,130 38 3.5%
Incl. CPU (microsecs) per call 137 141 5 3.5%
Excl. CPU (microsec)166 201 35 21.1%
Incl. MemUse (bytes)82,912 82,928 16 0.0%
Incl. MemUse (bytes) per call 10,364 10,366 2 0.0%
Excl. MemUse (bytes)-12,208 -12,208 0 0.0%
Incl. PeakMemUse (bytes)113,048 123,792 10,744 9.5%
Incl. PeakMemUse (bytes) per call 14,131 15,474 1,343 9.5%
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% 39 0.7% 38 1.6% 16 0.0% 10,744 6.1%
Exclusive Metrics Diff for Current Function44 112.8% 35 92.1% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 39 100.0% 38 100.0% 16 100.0% 10,744 100.0%
Child functions
unserialize@10 N/A% -9 -23.1% -5 -13.2% 16 100.0% 9,512 88.5%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 4 10.3% 8 21.1% 0 0.0% 1,232 11.5%
explode0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%