Diff Report
Run #51a154409a1df: 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 #51a154409a1dfRun #51a152d922ae0DiffDiff%
Number of Function Calls169 169 0 0.0%
Incl. Wall Time (microsec)37,774 37,328 -446 -1.2%
Incl. Wall Time (microsec) per call 224 221 -3 -1.2%
Excl. Wall Time (microsec)3,962 3,728 -234 -5.9%
Incl. CPU (microsecs)44,004 40,004 -4,000 -9.1%
Incl. CPU (microsecs) per call 260 237 -24 -9.1%
Excl. CPU (microsec)8,001 4,000 -4,001 -50.0%
Incl. MemUse (bytes)1,032,772 1,032,772 0 0.0%
Incl. MemUse (bytes) per call 6,111 6,111 0 0.0%
Excl. MemUse (bytes)-462,372 -462,372 0 0.0%
Incl. PeakMemUse (bytes)1,530,156 1,530,156 0 0.0%
Incl. PeakMemUse (bytes) per call 9,054 9,054 0 0.0%
Excl. PeakMemUse (bytes)2,928 2,928 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% -446 -14.8% -4,000 -33.3% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-234 -52.5% -4,001 -100.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -446 -100.0% -4,000 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -625 -140.1% 4,001 100.0% 0 N/A% 0 N/A%
unserialize0 N/A% 428 96.0% -4,000 -100.0% 0 N/A% 0 N/A%
explode0 N/A% -15 -3.4% 0 0.0% 0 N/A% 0 N/A%