Diff Report
Run #539fd2b68bc13: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #539fd0a78f1b7: 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 #539fd2b68bc13Run #539fd0a78f1b7DiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)6,459 6,370 -89 -1.4%
Incl. Wall Time (microsec) per call 1,615 1,593 -22 -1.4%
Excl. Wall Time (microsec)104 108 4 3.8%
Incl. CPU (microsecs)6,454 6,375 -79 -1.2%
Incl. CPU (microsecs) per call 1,614 1,594 -20 -1.2%
Excl. CPU (microsec)89 93 4 4.5%
Incl. MemUse (bytes)1,477,752 1,477,704 -48 -0.0%
Incl. MemUse (bytes) per call 369,438 369,426 -12 -0.0%
Excl. MemUse (bytes)-174,680 -174,680 0 0.0%
Incl. PeakMemUse (bytes)1,594,320 1,594,408 88 0.0%
Incl. PeakMemUse (bytes) per call 398,580 398,602 22 0.0%
Excl. PeakMemUse (bytes)576 576 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% -89 -0.2% -79 -0.2% -48 -0.0% 88 0.0%
Exclusive Metrics Diff for Current Function4 4.5% 4 5.1% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -89 -100.0% -79 -100.0% -48 -100.0% 88 100.0%
Child functions
unserialize@10 N/A% -101 -113.5% -89 -112.7% -48 -100.0% 176 200.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 7 7.9% 6 7.6% 0 0.0% -88 -100.0%
explode0 N/A% 1 1.1% 0 0.0% 0 0.0% 0 0.0%