Diff Report
Run #5198f219706e9: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5198f0bb880ef: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #5198f219706e9Run #5198f0bb880efDiffDiff%
Number of Function Calls99 99 0 0.0%
Incl. Wall Time (microsec)28,009 27,665 -344 -1.2%
Incl. Wall Time (microsec) per call 283 279 -3 -1.2%
Excl. Wall Time (microsec)1,578 1,561 -17 -1.1%
Incl. CPU (microsecs)23,051 22,819 -232 -1.0%
Incl. CPU (microsecs) per call 233 230 -2 -1.0%
Excl. CPU (microsec)1,436 1,406 -30 -2.1%
Incl. MemUse (bytes)2,135,488 2,135,488 0 0.0%
Incl. MemUse (bytes) per call 21,571 21,571 0 0.0%
Excl. MemUse (bytes)-292,104 -292,104 0 0.0%
Incl. PeakMemUse (bytes)2,200,192 2,200,192 0 0.0%
Incl. PeakMemUse (bytes) per call 22,224 22,224 0 0.0%
Excl. PeakMemUse (bytes)4,984 4,984 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% -344 -747.8% -232 -107.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-17 -4.9% -30 -12.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -344 -100.0% -232 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -175 -50.9% -118 -50.9% 0 N/A% 0 N/A%
unserialize0 N/A% -148 -43.0% -88 -37.9% 0 N/A% 0 N/A%
explode0 N/A% -4 -1.2% 4 1.7% 0 N/A% 0 N/A%