Diff Report
Run #519afb4e24ae7: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519afa8ec2e5c: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519afb4e24ae7Run #519afa8ec2e5cDiffDiff%
Number of Function Calls93 93 0 0.0%
Incl. Wall Time (microsec)33,673 33,230 -443 -1.3%
Incl. Wall Time (microsec) per call 362 357 -5 -1.3%
Excl. Wall Time (microsec)2,093 2,107 14 0.7%
Incl. CPU (microsecs)27,272 26,846 -426 -1.6%
Incl. CPU (microsecs) per call 293 289 -5 -1.6%
Excl. CPU (microsec)1,981 1,985 4 0.2%
Incl. MemUse (bytes)1,965,672 1,965,784 112 0.0%
Incl. MemUse (bytes) per call 21,136 21,137 1 0.0%
Excl. MemUse (bytes)-246,864 -246,896 -32 -0.0%
Incl. PeakMemUse (bytes)2,225,584 2,225,472 -112 -0.0%
Incl. PeakMemUse (bytes) per call 23,931 23,930 -1 -0.0%
Excl. PeakMemUse (bytes)6,664 6,664 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% -443 -46.9% -426 -28.6% 112 0.2% -112 -0.2%
Exclusive Metrics Diff for Current Function14 3.2% 4 0.9% -32 -28.6% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -443 -100.0% -426 -100.0% 112 100.0% -112 -100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -382 -86.2% -244 -57.3% 0 0.0% 16 14.3%
unserialize0 N/A% -68 -15.3% -176 -41.3% 144 128.6% -128 -114.3%
explode0 N/A% -7 -1.6% -10 -2.3% 0 0.0% 0 0.0%