Diff Report
Run #51a5000df000f: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a4f50036185: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a5000df000fRun #51a4f50036185DiffDiff%
Number of Function Calls70 70 0 0.0%
Incl. Wall Time (microsec)22,722 23,013 291 1.3%
Incl. Wall Time (microsec) per call 325 329 4 1.3%
Excl. Wall Time (microsec)1,588 1,603 15 0.9%
Incl. CPU (microsecs)28,000 24,002 -3,998 -14.3%
Incl. CPU (microsecs) per call 400 343 -57 -14.3%
Excl. CPU (microsec)4,000 8,000 4,000 100.0%
Incl. MemUse (bytes)720,688 719,676 -1,012 -0.1%
Incl. MemUse (bytes) per call 10,296 10,281 -14 -0.1%
Excl. MemUse (bytes)-174,148 -173,724 424 0.2%
Incl. PeakMemUse (bytes)988,892 982,648 -6,244 -0.6%
Incl. PeakMemUse (bytes) per call 14,127 14,038 -89 -0.6%
Excl. PeakMemUse (bytes)1,636 1,688 52 3.2%

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% 291 6.3% -3,998 -100.0% -1,012 -3.1% -6,244 -19.0%
Exclusive Metrics Diff for Current Function15 5.2% 4,000 100.1% 424 41.9% 52 0.8%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 291 100.0% -3,998 -100.0% -1,012 -100.0% -6,244 -100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 209 71.8% -4,000 -100.1% 0 0.0% -28 -0.4%
unserialize0 N/A% 63 21.6% -7,999 -200.1% -1,436 -141.9% -6,268 -100.4%
explode0 N/A% 4 1.4% 4,001 100.1% 0 0.0% 0 0.0%