Diff Report
Run #5394e2ae29e1b: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5394e21e9bd45: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #5394e2ae29e1bRun #5394e21e9bd45DiffDiff%
Number of Function Calls168 168 0 0.0%
Incl. Wall Time (microsec)39,777 39,426 -351 -0.9%
Incl. Wall Time (microsec) per call 237 235 -2 -0.9%
Excl. Wall Time (microsec)2,989 2,913 -76 -2.5%
Incl. CPU (microsecs)37,845 37,487 -358 -0.9%
Incl. CPU (microsecs) per call 225 223 -2 -0.9%
Excl. CPU (microsec)2,658 2,588 -70 -2.6%
Incl. MemUse (bytes)4,012,600 4,012,600 0 0.0%
Incl. MemUse (bytes) per call 23,885 23,885 0 0.0%
Excl. MemUse (bytes)-599,672 -599,672 0 0.0%
Incl. PeakMemUse (bytes)3,915,960 3,915,960 0 0.0%
Incl. PeakMemUse (bytes) per call 23,309 23,309 0 0.0%
Excl. PeakMemUse (bytes)5,016 5,016 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% -351 -10.2% -358 -9.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-76 -21.7% -70 -19.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -351 -100.0% -358 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -186 -53.0% -186 -52.0% 0 N/A% 0 N/A%
spl_autoload_call0 N/A% -115 -32.8% -116 -32.4% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 24 6.8% 8 2.2% 0 N/A% 0 N/A%
explode0 N/A% 2 0.6% 6 1.7% 0 N/A% 0 N/A%