Diff Report
Run #519aada7a0b07: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #519aaadf29b61: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519aada7a0b07Run #519aaadf29b61DiffDiff%
Number of Function Calls131 131 0 0.0%
Incl. Wall Time (microsec)45,775 45,307 -468 -1.0%
Incl. Wall Time (microsec) per call 349 346 -4 -1.0%
Excl. Wall Time (microsec)2,863 2,894 31 1.1%
Incl. CPU (microsecs)52,005 44,004 -8,001 -15.4%
Incl. CPU (microsecs) per call 397 336 -61 -15.4%
Excl. CPU (microsec)0 4,000 4,000 N/A%
Incl. MemUse (bytes)1,166,520 1,166,516 -4 -0.0%
Incl. MemUse (bytes) per call 8,905 8,905 -0 -0.0%
Excl. MemUse (bytes)-919,168 -919,172 -4 -0.0%
Incl. PeakMemUse (bytes)2,156,496 2,156,608 112 0.0%
Incl. PeakMemUse (bytes) per call 16,462 16,463 1 0.0%
Excl. PeakMemUse (bytes)5,912 5,912 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% -468 -0.2% -8,001 -4.2% -4 -0.0% 112 0.5%
Exclusive Metrics Diff for Current Function31 6.6% 4,000 50.0% -4 -100.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -468 -100.0% -8,001 -100.0% -4 -100.0% 112 100.0%
Child functions
unserialize0 N/A% -529 -113.0% -12,001 -150.0% 0 0.0% -84 -75.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 26 5.6% 0 0.0% 0 0.0% 172 153.6%
explode0 N/A% 4 0.9% 0 0.0% 0 0.0% 24 21.4%