Diff Report
Run #519d5c4cd1983: XHProf Run (Namespace=drupal-perf-mrbaileys)
vs.
Run #519d5c92d66a0: XHProf Run (Namespace=drupal-perf-mrbaileys)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519d5c4cd1983Run #519d5c92d66a0DiffDiff%
Number of Function Calls56 56 0 0.0%
Incl. Wall Time (microsec)9,711 9,316 -395 -4.1%
Incl. Wall Time (microsec) per call 173 166 -7 -4.1%
Excl. Wall Time (microsec)1,024 1,029 5 0.5%
Incl. CPU (microsecs)4,000 0 -4,000 -100.0%
Incl. CPU (microsecs) per call 71 0 -71 -100.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)1,079,072 1,079,072 0 0.0%
Incl. MemUse (bytes) per call 19,269 19,269 0 0.0%
Excl. MemUse (bytes)-114,400 -114,400 0 0.0%
Incl. PeakMemUse (bytes)1,424,248 1,424,248 0 0.0%
Incl. PeakMemUse (bytes) per call 25,433 25,433 0 0.0%
Excl. PeakMemUse (bytes)5,368 5,368 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% -395 -161.2% -4,000 -100.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function5 1.3% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -395 -100.0% -4,000 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -209 -52.9% 0 0.0% 0 N/A% 0 N/A%
unserialize0 N/A% -193 -48.9% -4,000 -100.0% 0 N/A% 0 N/A%
explode0 N/A% 2 0.5% 0 0.0% 0 N/A% 0 N/A%