Diff Report
Run #519ff028be5c1: 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 #519ff028be5c1Run #519fedcae68c3DiffDiff%
Number of Function Calls77 77 0 0.0%
Incl. Wall Time (microsec)17,810 19,352 1,542 8.7%
Incl. Wall Time (microsec) per call 231 251 20 8.7%
Excl. Wall Time (microsec)1,303 1,422 119 9.1%
Incl. CPU (microsecs)14,160 14,666 506 3.6%
Incl. CPU (microsecs) per call 184 190 7 3.6%
Excl. CPU (microsec)1,193 1,297 104 8.7%
Incl. MemUse (bytes)1,422,672 1,422,672 0 0.0%
Incl. MemUse (bytes) per call 18,476 18,476 0 0.0%
Excl. MemUse (bytes)-197,712 -197,712 0 0.0%
Incl. PeakMemUse (bytes)1,670,800 1,670,800 0 0.0%
Incl. PeakMemUse (bytes) per call 21,699 21,699 0 0.0%
Excl. PeakMemUse (bytes)4,728 4,728 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% 1,542 80.5% 506 14.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function119 7.7% 104 20.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 1,542 100.0% 506 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 1,177 76.3% 354 70.0% 0 N/A% 0 N/A%
unserialize0 N/A% 224 14.5% 24 4.7% 0 N/A% 0 N/A%
explode0 N/A% 22 1.4% 24 4.7% 0 N/A% 0 N/A%