Diff Report
Run #519b0e62696b0: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519b12bb10362: 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 #519b12bb10362DiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)1,138 1,169 31 2.7%
Incl. Wall Time (microsec) per call 142 146 4 2.7%
Excl. Wall Time (microsec)173 176 3 1.7%
Incl. CPU (microsecs)1,092 1,119 27 2.5%
Incl. CPU (microsecs) per call 137 140 3 2.5%
Excl. CPU (microsec)166 167 1 0.6%
Incl. MemUse (bytes)82,912 82,912 0 0.0%
Incl. MemUse (bytes) per call 10,364 10,364 0 0.0%
Excl. MemUse (bytes)-12,208 -12,208 0 0.0%
Incl. PeakMemUse (bytes)113,048 123,776 10,728 9.5%
Incl. PeakMemUse (bytes) per call 14,131 15,472 1,341 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% 31 1.5% 27 1.3% 0 0.0% 10,728 11.8%
Exclusive Metrics Diff for Current Function3 9.7% 1 3.7% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 31 100.0% 27 100.0% 0 N/A% 10,728 100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 21 67.7% 20 74.1% 0 N/A% 1,232 11.5%
unserialize@10 N/A% 7 22.6% 7 25.9% 0 N/A% 9,496 88.5%
explode0 N/A% 0 0.0% -1 -3.7% 0 N/A% 0 0.0%