Diff Report
Run #5199dd4798f9f: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #5199df04dd672: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #5199dd4798f9fRun #5199df04dd672DiffDiff%
Number of Function Calls102 102 0 0.0%
Incl. Wall Time (microsec)31,643 32,026 383 1.2%
Incl. Wall Time (microsec) per call 310 314 4 1.2%
Excl. Wall Time (microsec)2,322 2,353 31 1.3%
Incl. CPU (microsecs)32,003 28,001 -4,002 -12.5%
Incl. CPU (microsecs) per call 314 275 -39 -12.5%
Excl. CPU (microsec)8,001 8,000 -1 -0.0%
Incl. MemUse (bytes)777,340 777,364 24 0.0%
Incl. MemUse (bytes) per call 7,621 7,621 0 0.0%
Excl. MemUse (bytes)-282,492 -282,480 12 0.0%
Incl. PeakMemUse (bytes)1,240,352 1,240,344 -8 -0.0%
Incl. PeakMemUse (bytes) per call 12,160 12,160 -0 -0.0%
Excl. PeakMemUse (bytes)2,588 2,588 0 0.0%

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% 383 1.6% -4,002 -14.3% 24 0.0% -8 -0.0%
Exclusive Metrics Diff for Current Function31 8.1% -1 -0.0% 12 50.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 383 100.0% -4,002 -100.0% 24 100.0% -8 -100.0%
Child functions
unserialize0 N/A% 230 60.1% -8,001 -199.9% 0 0.0% -112 -1400.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 122 31.9% 4,000 100.0% 12 50.0% 132 1650.0%
explode0 N/A% 0 0.0% 0 0.0% 0 0.0% -28 -350.0%