Diff Report
Run #53d4352fc0c61: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #53d436500e2ac: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #53d4352fc0c61Run #53d436500e2acDiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)5,926 5,891 -35 -0.6%
Incl. Wall Time (microsec) per call 1,975 1,964 -12 -0.6%
Excl. Wall Time (microsec)66 63 -3 -4.5%
Incl. CPU (microsecs)5,932 5,894 -38 -0.6%
Incl. CPU (microsecs) per call 1,977 1,965 -13 -0.6%
Excl. CPU (microsec)59 53 -6 -10.2%
Incl. MemUse (bytes)1,506,824 1,506,824 0 0.0%
Incl. MemUse (bytes) per call 502,275 502,275 0 0.0%
Excl. MemUse (bytes)-179,808 -179,808 0 0.0%
Incl. PeakMemUse (bytes)1,623,600 1,623,552 -48 -0.0%
Incl. PeakMemUse (bytes) per call 541,200 541,184 -16 -0.0%
Excl. PeakMemUse (bytes)336 336 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem@1 [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::prepareItem@10 N/A% -35 -0.5% -38 -0.6% 0 0.0% -48 -0.1%
Exclusive Metrics Diff for Current Function-3 -8.6% -6 -15.8% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -35 -100.0% -38 -100.0% 0 N/A% -48 -100.0%
Child functions
unserialize@10 N/A% -33 -94.3% -33 -86.8% 0 N/A% -48 -100.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 1 2.9% 3 7.9% 0 N/A% 0 0.0%
explode0 N/A% 0 0.0% -2 -5.3% 0 N/A% 0 0.0%