Diff Report
Run #519ffc4c0008b: 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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519ffc4c0008bRun #519ffb7471c72DiffDiff%
Number of Function Calls84 83 -1 -1.2%
Incl. Wall Time (microsec)30,882 30,376 -506 -1.6%
Incl. Wall Time (microsec) per call 368 366 -2 -0.5%
Excl. Wall Time (microsec)2,023 2,005 -18 -0.9%
Incl. CPU (microsecs)32,001 32,001 0 0.0%
Incl. CPU (microsecs) per call 381 386 5 1.2%
Excl. CPU (microsec)8,000 4,000 -4,000 -50.0%
Incl. MemUse (bytes)732,948 732,596 -352 -0.0%
Incl. MemUse (bytes) per call 8,726 8,826 101 1.2%
Excl. MemUse (bytes)-172,428 -172,132 296 0.2%
Incl. PeakMemUse (bytes)1,109,504 1,107,388 -2,116 -0.2%
Incl. PeakMemUse (bytes) per call 13,208 13,342 134 1.0%
Excl. PeakMemUse (bytes)2,680 2,680 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::prepareItem-1 -33.3% -506 -16.5% 0 0.0% -352 -2.1% -2,116 -11.3%
Exclusive Metrics Diff for Current Function-18 -3.6% -4,000 N/A% 296 84.1% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple-1 -100.0% -506 -100.0% 0 N/A% -352 -100.0% -2,116 -100.0%
Child functions
unserialize-1 -50.0% -312 -61.7% 1 N/A% -388 -110.2% -1,996 -94.3%
Drupal\Core\Cache\DatabaseBackend::checksumTags-1 -50.0% -179 -35.4% 3,999 N/A% -260 -73.9% -120 -5.7%
explode0 0.0% 3 0.6% 0 N/A% 0 0.0% 0 0.0%