Diff Report
Run #51a1557b90314: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a152d922ae0: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a1557b90314Run #51a152d922ae0DiffDiff%
Number of Function Calls169 169 0 0.0%
Incl. Wall Time (microsec)38,240 37,328 -912 -2.4%
Incl. Wall Time (microsec) per call 226 221 -5 -2.4%
Excl. Wall Time (microsec)4,042 3,728 -314 -7.8%
Incl. CPU (microsecs)40,001 40,004 3 0.0%
Incl. CPU (microsecs) per call 237 237 0 0.0%
Excl. CPU (microsec)8,001 4,000 -4,001 -50.0%
Incl. MemUse (bytes)1,046,100 1,032,772 -13,328 -1.3%
Incl. MemUse (bytes) per call 6,190 6,111 -79 -1.3%
Excl. MemUse (bytes)-461,988 -462,372 -384 -0.1%
Incl. PeakMemUse (bytes)1,541,832 1,530,156 -11,676 -0.8%
Incl. PeakMemUse (bytes) per call 9,123 9,054 -69 -0.8%
Excl. PeakMemUse (bytes)2,960 2,928 -32 -1.1%

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% -912 -1.3% 3 0.0% -13,328 -24.7% -11,676 -21.0%
Exclusive Metrics Diff for Current Function-314 -34.4% -4,001 -133366.7% -384 -2.9% -32 -0.3%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -912 -100.0% 3 100.0% -13,328 -100.0% -11,676 -100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -522 -57.2% 8,001 266700.0% 2,048 15.4% 3,608 30.9%
unserialize0 N/A% -64 -7.0% -3,997 -133233.3% -14,992 -112.5% -15,252 -130.6%
explode0 N/A% -12 -1.3% 0 0.0% 0 0.0% 0 0.0%