Diff Report
Run #519fe53eaaaf2: XHProf Run (Namespace=drupal-perf-mrbaileys)
vs.
Run #519fe4bc90ab9: XHProf Run (Namespace=drupal-perf-mrbaileys)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519fe53eaaaf2Run #519fe4bc90ab9DiffDiff%
Number of Function Calls121 121 0 0.0%
Incl. Wall Time (microsec)19,335 19,673 338 1.7%
Incl. Wall Time (microsec) per call 160 163 3 1.7%
Excl. Wall Time (microsec)1,908 1,914 6 0.3%
Incl. CPU (microsecs)12,000 16,000 4,000 33.3%
Incl. CPU (microsecs) per call 99 132 33 33.3%
Excl. CPU (microsec)0 4,000 4,000 N/A%
Incl. MemUse (bytes)1,814,176 1,814,176 0 0.0%
Incl. MemUse (bytes) per call 14,993 14,993 0 0.0%
Excl. MemUse (bytes)-391,344 -391,344 0 0.0%
Incl. PeakMemUse (bytes)2,139,912 2,139,912 0 0.0%
Incl. PeakMemUse (bytes) per call 17,685 17,685 0 0.0%
Excl. PeakMemUse (bytes)4,536 4,536 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem [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::prepareItem0 N/A% 338 22.7% 4,000 200000.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function6 1.8% 4,000 100.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 338 100.0% 4,000 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 248 73.4% 4,000 100.0% 0 N/A% 0 N/A%
unserialize0 N/A% 87 25.7% -4,000 -100.0% 0 N/A% 0 N/A%
explode0 N/A% -3 -0.9% 0 0.0% 0 N/A% 0 N/A%