Diff Report
Run #51a4630d23a4c: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a462112dd99: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a4630d23a4cRun #51a462112dd99DiffDiff%
Number of Function Calls70 70 0 0.0%
Incl. Wall Time (microsec)22,653 22,674 21 0.1%
Incl. Wall Time (microsec) per call 324 324 0 0.1%
Excl. Wall Time (microsec)1,626 1,664 38 2.3%
Incl. CPU (microsecs)24,000 28,003 4,003 16.7%
Incl. CPU (microsecs) per call 343 400 57 16.7%
Excl. CPU (microsec)4,000 0 -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% 21 1.7% 4,003 200150.0% -1,012 -3.1% -6,244 -19.0%
Exclusive Metrics Diff for Current Function38 181.0% -4,000 -99.9% 424 41.9% 52 0.8%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 21 100.0% 4,003 100.0% -1,012 -100.0% -6,244 -100.0%
Child functions
unserialize0 N/A% -32 -152.4% -3,998 -99.9% -1,436 -141.9% -6,268 -100.4%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 13 61.9% 8,001 199.9% 0 0.0% -28 -0.4%
explode0 N/A% 2 9.5% 4,000 99.9% 0 0.0% 0 0.0%