Diff Report
Run #517c7d73caad2: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c7dc1dc4c3: 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 #517c7d73caad2Run #517c7dc1dc4c3DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)447 485 38 8.5%
Incl. Wall Time (microsec) per call 64 69 5 8.5%
Excl. Wall Time (microsec)99 109 10 10.1%
Incl. CPU (microsecs)454 492 38 8.4%
Incl. CPU (microsecs) per call 65 70 5 8.4%
Excl. CPU (microsec)88 99 11 12.5%
Incl. MemUse (bytes)104,936 104,936 0 0.0%
Incl. MemUse (bytes) per call 14,991 14,991 0 0.0%
Excl. MemUse (bytes)-11,648 -11,648 0 0.0%
Incl. PeakMemUse (bytes)108,224 108,224 0 0.0%
Incl. PeakMemUse (bytes) per call 15,461 15,461 0 0.0%
Excl. PeakMemUse (bytes)1,992 1,992 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% 38 10.8% 38 4.1% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function10 26.3% 11 28.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 38 100.0% 38 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 15 39.5% 13 34.2% 0 N/A% 0 N/A%
unserialize@10 N/A% 13 34.2% 12 31.6% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 2 5.3% 0 N/A% 0 N/A%