Diff Report
Run #523bd15c0308e: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523bd0c5929e9: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #523bd15c0308eRun #523bd0c5929e9DiffDiff%
Number of Function Calls69 69 0 0.0%
Incl. Wall Time (microsec)16,078 15,548 -530 -3.3%
Incl. Wall Time (microsec) per call 233 225 -8 -3.3%
Excl. Wall Time (microsec)1,420 1,406 -14 -1.0%
Incl. CPU (microsecs)13,251 12,989 -262 -2.0%
Incl. CPU (microsecs) per call 192 188 -4 -2.0%
Excl. CPU (microsec)1,328 1,324 -4 -0.3%
Incl. MemUse (bytes)1,656,744 1,656,192 -552 -0.0%
Incl. MemUse (bytes) per call 24,011 24,003 -8 -0.0%
Excl. MemUse (bytes)-242,920 -242,800 120 0.0%
Incl. PeakMemUse (bytes)2,109,776 2,109,256 -520 -0.0%
Incl. PeakMemUse (bytes) per call 30,576 30,569 -8 -0.0%
Excl. PeakMemUse (bytes)6,632 6,632 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% -530 -23.8% -262 -10.6% -552 -1.0% -520 -0.9%
Exclusive Metrics Diff for Current Function-14 -2.6% -4 -1.5% 120 21.7% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -530 -100.0% -262 -100.0% -552 -100.0% -520 -100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -524 -98.9% -256 -97.7% 0 0.0% -120 -23.1%
unserialize0 N/A% 34 6.4% 33 12.6% -672 -121.7% -400 -76.9%
explode0 N/A% -26 -4.9% -35 -13.4% 0 0.0% 0 0.0%