Diff Report
Run #51ad024086f90: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ad02c47d041: 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 #51ad024086f90Run #51ad02c47d041DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)660 709 49 7.4%
Incl. Wall Time (microsec) per call 94 101 7 7.4%
Excl. Wall Time (microsec)111 100 -11 -9.9%
Incl. CPU (microsecs)593 554 -39 -6.6%
Incl. CPU (microsecs) per call 85 79 -6 -6.6%
Excl. CPU (microsec)107 88 -19 -17.8%
Incl. MemUse (bytes)75,720 75,720 0 0.0%
Incl. MemUse (bytes) per call 10,817 10,817 0 0.0%
Excl. MemUse (bytes)-11,888 -11,888 0 0.0%
Incl. PeakMemUse (bytes)63,888 63,960 72 0.1%
Incl. PeakMemUse (bytes) per call 9,127 9,137 10 0.1%
Excl. PeakMemUse (bytes)1,776 1,776 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% 49 1.1% -39 -1.3% 0 0.0% 72 0.0%
Exclusive Metrics Diff for Current Function-11 -22.4% -19 -48.7% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 49 100.0% -39 -100.0% 0 N/A% 72 100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 73 149.0% -13 -33.3% 0 N/A% 72 100.0%
unserialize@10 N/A% -9 -18.4% -4 -10.3% 0 N/A% 0 0.0%
explode0 N/A% -4 -8.2% -3 -7.7% 0 N/A% 0 0.0%