Diff Report
Run #51a45b36a618d: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a459a8e59c2: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a45b36a618dRun #51a459a8e59c2DiffDiff%
Number of Function Calls116 116 0 0.0%
Incl. Wall Time (microsec)29,379 28,690 -689 -2.3%
Incl. Wall Time (microsec) per call 253 247 -6 -2.3%
Excl. Wall Time (microsec)2,666 2,628 -38 -1.4%
Incl. CPU (microsecs)44,003 32,002 -12,001 -27.3%
Incl. CPU (microsecs) per call 379 276 -103 -27.3%
Excl. CPU (microsec)8,001 0 -8,001 -100.0%
Incl. MemUse (bytes)976,052 975,472 -580 -0.1%
Incl. MemUse (bytes) per call 8,414 8,409 -5 -0.1%
Excl. MemUse (bytes)-316,772 -316,484 288 0.1%
Incl. PeakMemUse (bytes)1,421,940 1,422,944 1,004 0.1%
Incl. PeakMemUse (bytes) per call 12,258 12,267 9 0.1%
Excl. PeakMemUse (bytes)3,228 3,300 72 2.2%

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% -689 -5.0% -12,001 -100.0% -580 -2.2% 1,004 2.7%
Exclusive Metrics Diff for Current Function-38 -5.5% -8,001 -66.7% 288 49.7% 72 7.2%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -689 -100.0% -12,001 -100.0% -580 -100.0% 1,004 100.0%
Child functions
unserialize0 N/A% -602 -87.4% -8,001 -66.7% -860 -148.3% 1,116 111.2%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -48 -7.0% 4,001 33.3% 0 0.0% -184 -18.3%
explode0 N/A% -1 -0.1% 0 0.0% -8 -1.4% 0 0.0%