Diff Report
Run #519ff0715b88b: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519fedcae68c3: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519ff0715b88bRun #519fedcae68c3DiffDiff%
Number of Function Calls77 77 0 0.0%
Incl. Wall Time (microsec)18,061 19,352 1,291 7.1%
Incl. Wall Time (microsec) per call 235 251 17 7.1%
Excl. Wall Time (microsec)1,332 1,422 90 6.8%
Incl. CPU (microsecs)14,253 14,666 413 2.9%
Incl. CPU (microsecs) per call 185 190 5 2.9%
Excl. CPU (microsec)1,234 1,297 63 5.1%
Incl. MemUse (bytes)1,425,696 1,422,672 -3,024 -0.2%
Incl. MemUse (bytes) per call 18,516 18,476 -39 -0.2%
Excl. MemUse (bytes)-198,432 -197,712 720 0.4%
Incl. PeakMemUse (bytes)1,687,712 1,670,800 -16,912 -1.0%
Incl. PeakMemUse (bytes) per call 21,918 21,699 -220 -1.0%
Excl. PeakMemUse (bytes)4,704 4,728 24 0.5%

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% 1,291 103.4% 413 27.9% -3,024 -3.7% -16,912 -20.3%
Exclusive Metrics Diff for Current Function90 7.0% 63 15.3% 720 23.8% 24 0.1%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 1,291 100.0% 413 100.0% -3,024 -100.0% -16,912 -100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 950 73.6% 162 39.2% 0 0.0% -256 -1.5%
unserialize0 N/A% 214 16.6% 140 33.9% -3,744 -123.8% -16,680 -98.6%
explode0 N/A% 37 2.9% 48 11.6% 0 0.0% 0 0.0%