Diff Report
Run #5219624c55207: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #521962849973a: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #5219624c55207Run #521962849973aDiffDiff%
Number of Function Calls70 70 0 0.0%
Incl. Wall Time (microsec)7,576 7,728 152 2.0%
Incl. Wall Time (microsec) per call 108 110 2 2.0%
Excl. Wall Time (microsec)1,040 1,002 -38 -3.7%
Incl. CPU (microsecs)6,392 6,518 126 2.0%
Incl. CPU (microsecs) per call 91 93 2 2.0%
Excl. CPU (microsec)944 927 -17 -1.8%
Incl. MemUse (bytes)1,131,576 1,131,576 0 0.0%
Incl. MemUse (bytes) per call 16,165 16,165 0 0.0%
Excl. MemUse (bytes)-182,128 -182,128 0 0.0%
Incl. PeakMemUse (bytes)1,473,520 1,473,520 0 0.0%
Incl. PeakMemUse (bytes) per call 21,050 21,050 0 0.0%
Excl. PeakMemUse (bytes)6,488 6,488 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% 152 286.8% 126 100.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-38 -25.0% -17 -13.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 152 100.0% 126 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 143 94.1% 111 88.1% 0 N/A% 0 N/A%
unserialize0 N/A% 55 36.2% 39 31.0% 0 N/A% 0 N/A%
explode0 N/A% -8 -5.3% -7 -5.6% 0 N/A% 0 N/A%