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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a459a8e59c2Run #51a45b36a618dDiffDiff%
Number of Function Calls116 116 0 0.0%
Incl. Wall Time (microsec)28,690 29,379 689 2.4%
Incl. Wall Time (microsec) per call 247 253 6 2.4%
Excl. Wall Time (microsec)2,628 2,666 38 1.4%
Incl. CPU (microsecs)32,002 44,003 12,001 37.5%
Incl. CPU (microsecs) per call 276 379 103 37.5%
Excl. CPU (microsec)0 8,001 8,001 N/A%
Incl. MemUse (bytes)975,472 976,052 580 0.1%
Incl. MemUse (bytes) per call 8,409 8,414 5 0.1%
Excl. MemUse (bytes)-316,484 -316,772 -288 -0.1%
Incl. PeakMemUse (bytes)1,422,944 1,421,940 -1,004 -0.1%
Incl. PeakMemUse (bytes) per call 12,267 12,258 -9 -0.1%
Excl. PeakMemUse (bytes)3,300 3,228 -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 Function38 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%