Diff Report
Run #519fe6587b366: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fe7e2d7c63: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #519fe6587b366Run #519fe7e2d7c63DiffDiff%
Number of Function Calls9 9 0 0.0%
Incl. Wall Time (microsec)838 857 19 2.3%
Incl. Wall Time (microsec) per call 93 95 2 2.3%
Excl. Wall Time (microsec)90 92 2 2.2%
Incl. CPU (microsecs)0 4,000 4,000 N/A%
Incl. CPU (microsecs) per call 0 444 444 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)266,912 266,912 0 0.0%
Incl. MemUse (bytes) per call 29,657 29,657 0 0.0%
Excl. MemUse (bytes)-41,360 -41,360 0 0.0%
Incl. PeakMemUse (bytes)282,232 282,232 0 0.0%
Incl. PeakMemUse (bytes) per call 31,359 31,359 0 0.0%
Excl. PeakMemUse (bytes)1,136 1,136 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% 19 0.6% 4,000 100.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function2 10.5% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 19 100.0% 4,000 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 17 89.5% 0 0.0% 0 N/A% 0 N/A%
unserialize@10 N/A% 0 0.0% 4,000 100.0% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%