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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519fe4bc90ab9Run #519fe53eaaaf2DiffDiff%
Number of Function Calls121 121 0 0.0%
Incl. Wall Time (microsec)19,673 19,335 -338 -1.7%
Incl. Wall Time (microsec) per call 163 160 -3 -1.7%
Excl. Wall Time (microsec)1,914 1,908 -6 -0.3%
Incl. CPU (microsecs)16,000 12,000 -4,000 -25.0%
Incl. CPU (microsecs) per call 132 99 -33 -25.0%
Excl. CPU (microsec)4,000 0 -4,000 -100.0%
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 Function-6 -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%