Diff Report
Run #519de1c349c58: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519de26535836: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519de1c349c58Run #519de26535836DiffDiff%
Number of Function Calls121 121 0 0.0%
Incl. Wall Time (microsec)17,096 16,932 -164 -1.0%
Incl. Wall Time (microsec) per call 141 140 -1 -1.0%
Excl. Wall Time (microsec)1,801 1,747 -54 -3.0%
Incl. CPU (microsecs)14,269 14,246 -23 -0.2%
Incl. CPU (microsecs) per call 118 118 -0 -0.2%
Excl. CPU (microsec)1,646 1,624 -22 -1.3%
Incl. MemUse (bytes)2,220,344 2,220,336 -8 -0.0%
Incl. MemUse (bytes) per call 18,350 18,350 -0 -0.0%
Excl. MemUse (bytes)-401,320 -401,312 8 0.0%
Incl. PeakMemUse (bytes)2,247,248 2,247,056 -192 -0.0%
Incl. PeakMemUse (bytes) per call 18,572 18,571 -2 -0.0%
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% -164 -0.5% -23 -0.1% -8 -0.0% -192 -0.4%
Exclusive Metrics Diff for Current Function-54 -32.9% -22 -95.7% 8 100.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -164 -100.0% -23 -100.0% -8 -100.0% -192 -100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -74 -45.1% -34 -147.8% 0 0.0% -104 -54.2%
unserialize0 N/A% -27 -16.5% 47 204.3% -16 -200.0% -88 -45.8%
explode0 N/A% -9 -5.5% -14 -60.9% 0 0.0% 0 0.0%