Diff Report
Run #51a278c0bf3d5: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a279f421da5: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a278c0bf3d5Run #51a279f421da5DiffDiff%
Number of Function Calls98 98 0 0.0%
Incl. Wall Time (microsec)28,377 28,197 -180 -0.6%
Incl. Wall Time (microsec) per call 290 288 -2 -0.6%
Excl. Wall Time (microsec)2,363 2,377 14 0.6%
Incl. CPU (microsecs)32,004 36,001 3,997 12.5%
Incl. CPU (microsecs) per call 327 367 41 12.5%
Excl. CPU (microsec)8,000 0 -8,000 -100.0%
Incl. MemUse (bytes)968,512 969,120 608 0.1%
Incl. MemUse (bytes) per call 9,883 9,889 6 0.1%
Excl. MemUse (bytes)-257,540 -257,812 -272 -0.1%
Incl. PeakMemUse (bytes)1,390,944 1,392,752 1,808 0.1%
Incl. PeakMemUse (bytes) per call 14,193 14,212 18 0.1%
Excl. PeakMemUse (bytes)3,144 3,080 -64 -2.0%

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% -180 -3.5% 3,997 99.9% 608 3.1% 1,808 9.4%
Exclusive Metrics Diff for Current Function14 7.8% -8,000 -200.2% -272 -44.7% -64 -3.5%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -180 -100.0% 3,997 100.0% 608 100.0% 1,808 100.0%
Child functions
unserialize0 N/A% -106 -58.9% -3 -0.1% 880 144.7% 1,860 102.9%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -84 -46.7% 12,000 300.2% 0 0.0% 12 0.7%
explode0 N/A% -4 -2.2% 0 0.0% 0 0.0% 0 0.0%