Diff Report
Run #519f012418c24: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519f02278cd90: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519f012418c24Run #519f02278cd90DiffDiff%
Number of Function Calls121 121 0 0.0%
Incl. Wall Time (microsec)17,106 17,146 40 0.2%
Incl. Wall Time (microsec) per call 141 142 0 0.2%
Excl. Wall Time (microsec)1,800 1,783 -17 -0.9%
Incl. CPU (microsecs)14,411 14,451 40 0.3%
Incl. CPU (microsecs) per call 119 119 0 0.3%
Excl. CPU (microsec)1,636 1,643 7 0.4%
Incl. MemUse (bytes)2,220,344 2,219,248 -1,096 -0.0%
Incl. MemUse (bytes) per call 18,350 18,341 -9 -0.0%
Excl. MemUse (bytes)-401,320 -401,064 256 0.1%
Incl. PeakMemUse (bytes)2,247,248 2,246,104 -1,144 -0.1%
Incl. PeakMemUse (bytes) per call 18,572 18,563 -9 -0.1%
Excl. PeakMemUse (bytes)6,352 6,352 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% 40 1.6% 40 1.2% -1,096 -16.3% -1,144 -6.0%
Exclusive Metrics Diff for Current Function-17 -42.5% 7 17.5% 256 23.4% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 40 100.0% 40 100.0% -1,096 -100.0% -1,144 -100.0%
Child functions
unserialize0 N/A% 29 72.5% 93 232.5% -1,352 -123.4% -1,032 -90.2%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 23 57.5% -57 -142.5% 0 0.0% -112 -9.8%
explode0 N/A% 5 12.5% -3 -7.5% 0 0.0% 0 0.0%