Diff Report
Run #51a4463d308ce: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a448a326782: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a4463d308ceRun #51a448a326782DiffDiff%
Number of Function Calls79 79 0 0.0%
Incl. Wall Time (microsec)21,177 21,176 -1 -0.0%
Incl. Wall Time (microsec) per call 268 268 -0 -0.0%
Excl. Wall Time (microsec)2,102 2,151 49 2.3%
Incl. CPU (microsecs)28,003 24,001 -4,002 -14.3%
Incl. CPU (microsecs) per call 354 304 -51 -14.3%
Excl. CPU (microsec)0 4,001 4,001 N/A%
Incl. MemUse (bytes)789,736 791,632 1,896 0.2%
Incl. MemUse (bytes) per call 9,997 10,021 24 0.2%
Excl. MemUse (bytes)-225,004 -226,032 -1,028 -0.5%
Incl. PeakMemUse (bytes)1,105,532 1,103,116 -2,416 -0.2%
Incl. PeakMemUse (bytes) per call 13,994 13,963 -31 -0.2%
Excl. PeakMemUse (bytes)1,576 1,628 52 3.3%

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 -0.0% -4,002 -50.0% 1,896 1.7% -2,416 -2.2%
Exclusive Metrics Diff for Current Function49 4900.0% 4,001 100.0% -1,028 -54.2% 52 2.2%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -1 -100.0% -4,002 -100.0% 1,896 100.0% -2,416 -100.0%
Child functions
unserialize0 N/A% 9 900.0% -8,003 -200.0% 2,924 154.2% -2,652 -109.8%
explode0 N/A% 4 400.0% 4,000 100.0% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -63 -6300.0% -4,000 -100.0% 0 0.0% 184 7.6%