Diff Report
Run #51a45a3ea1945: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a459a8e59c2: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a45a3ea1945Run #51a459a8e59c2DiffDiff%
Number of Function Calls116 116 0 0.0%
Incl. Wall Time (microsec)28,791 28,690 -101 -0.4%
Incl. Wall Time (microsec) per call 248 247 -1 -0.4%
Excl. Wall Time (microsec)2,603 2,628 25 1.0%
Incl. CPU (microsecs)20,001 32,002 12,001 60.0%
Incl. CPU (microsecs) per call 172 276 103 60.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)975,472 975,472 0 0.0%
Incl. MemUse (bytes) per call 8,409 8,409 0 0.0%
Excl. MemUse (bytes)-316,484 -316,484 0 0.0%
Incl. PeakMemUse (bytes)1,422,944 1,422,944 0 0.0%
Incl. PeakMemUse (bytes) per call 12,267 12,267 0 0.0%
Excl. PeakMemUse (bytes)3,300 3,300 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% -101 -24.0% 12,001 N/A% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function25 24.8% 0 0.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -101 -100.0% 12,001 100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -162 -160.4% 4,000 33.3% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 39 38.6% 8,001 66.7% 0 N/A% 0 N/A%
explode0 N/A% -3 -3.0% 0 0.0% 0 N/A% 0 N/A%