Diff Report
Run #519fedcae68c3: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519ff028be5c1: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519fedcae68c3Run #519ff028be5c1DiffDiff%
Number of Function Calls77 77 0 0.0%
Incl. Wall Time (microsec)19,352 17,810 -1,542 -8.0%
Incl. Wall Time (microsec) per call 251 231 -20 -8.0%
Excl. Wall Time (microsec)1,422 1,303 -119 -8.4%
Incl. CPU (microsecs)14,666 14,160 -506 -3.5%
Incl. CPU (microsecs) per call 190 184 -7 -3.5%
Excl. CPU (microsec)1,297 1,193 -104 -8.0%
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 Function-119 -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%