Diff Report
Run #539fd0a78f1b7: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #539fd2b68bc13: 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 #539fd0a78f1b7Run #539fd2b68bc13DiffDiff%
Number of Function Calls4 4 0 0.0%
Incl. Wall Time (microsec)6,370 6,459 89 1.4%
Incl. Wall Time (microsec) per call 1,593 1,615 22 1.4%
Excl. Wall Time (microsec)108 104 -4 -3.7%
Incl. CPU (microsecs)6,375 6,454 79 1.2%
Incl. CPU (microsecs) per call 1,594 1,614 20 1.2%
Excl. CPU (microsec)93 89 -4 -4.3%
Incl. MemUse (bytes)1,477,704 1,477,752 48 0.0%
Incl. MemUse (bytes) per call 369,426 369,438 12 0.0%
Excl. MemUse (bytes)-174,680 -174,680 0 0.0%
Incl. PeakMemUse (bytes)1,594,408 1,594,320 -88 -0.0%
Incl. PeakMemUse (bytes) per call 398,602 398,580 -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 Function-4 -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%