Diff Report
Run #519ffbe6eb79f: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #519ffb7471c72: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #519ffbe6eb79fRun #519ffb7471c72DiffDiff%
Number of Function Calls 7 7 N/A%
Incl. Wall Time (microsec) 871 871 N/A%
Incl. Wall Time (microsec) per call N/A 124 124 N/A%
Excl. Wall Time (microsec) 162 162 N/A%
Incl. CPU (microsecs) 4,000 4,000 N/A%
Incl. CPU (microsecs) per call N/A 571 571 N/A%
Excl. CPU (microsec) 0 0 N/A%
Incl. MemUse (bytes) 37,640 37,640 N/A%
Incl. MemUse (bytes) per call N/A 5,377 5,377 N/A%
Excl. MemUse (bytes) -11,628 -11,628 N/A%
Incl. PeakMemUse (bytes) 43,504 43,504 N/A%
Incl. PeakMemUse (bytes) per call N/A 6,215 6,215 N/A%
Excl. PeakMemUse (bytes) 676 676 N/A%

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@17 22.6% 871 0.2% 4,000 0.7% 37,640 0.5% 43,504 0.6%
Exclusive Metrics Diff for Current Function162 18.6% 0 0.0% -11,628 -30.9% 676 1.6%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@17 100.0% 871 100.0% 4,000 100.0% 37,640 100.0% 43,504 100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags7 46.7% 527 60.5% 4,000 100.0% 2,796 7.4% 4,664 10.7%
unserialize@17 46.7% 179 20.6% 0 0.0% 45,832 121.8% 37,820 86.9%
explode1 6.7% 3 0.3% 0 0.0% 640 1.7% 344 0.8%