Diff Report
Run #519b0e62696b0: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519b12bb10362: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519b0e62696b0Run #519b12bb10362DiffDiff%
Number of Function Calls88 88 0 0.0%
Incl. Wall Time (microsec)38,457 38,480 23 0.1%
Incl. Wall Time (microsec) per call 437 437 0 0.1%
Excl. Wall Time (microsec)2,177 2,173 -4 -0.2%
Incl. CPU (microsecs)37,391 37,194 -197 -0.5%
Incl. CPU (microsecs) per call 425 423 -2 -0.5%
Excl. CPU (microsec)2,037 2,047 10 0.5%
Incl. MemUse (bytes)2,194,464 2,115,688 -78,776 -3.6%
Incl. MemUse (bytes) per call 24,937 24,042 -895 -3.6%
Excl. MemUse (bytes)-239,032 -227,136 11,896 5.0%
Incl. PeakMemUse (bytes)2,864,976 2,764,504 -100,472 -3.5%
Incl. PeakMemUse (bytes) per call 32,557 31,415 -1,142 -3.5%
Excl. PeakMemUse (bytes)6,264 6,232 -32 -0.5%

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% 23 1.1% -197 -9.3% -78,776 -86.5% -100,472 -110.8%
Exclusive Metrics Diff for Current Function-4 -17.4% 10 5.1% 11,896 15.1% -32 -0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 23 100.0% -197 -100.0% -78,776 -100.0% -100,472 -100.0%
Child functions
unserialize0 N/A% -66 -287.0% -166 -84.3% -90,672 -115.1% -97,688 -97.2%
explode0 N/A% 2 8.7% 19 9.6% 0 0.0% -32 -0.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 91 395.7% -60 -30.5% 0 0.0% -2,720 -2.7%