Diff Report
Run #51c24fd9b971a: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51c25102ed66d: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51c24fd9b971aRun #51c25102ed66dDiffDiff%
Number of Function Calls73 73 0 0.0%
Incl. Wall Time (microsec)26,785 26,878 93 0.3%
Incl. Wall Time (microsec) per call 367 368 1 0.3%
Excl. Wall Time (microsec)1,768 1,796 28 1.6%
Incl. CPU (microsecs)22,331 22,774 443 2.0%
Incl. CPU (microsecs) per call 306 312 6 2.0%
Excl. CPU (microsec)1,670 1,690 20 1.2%
Incl. MemUse (bytes)1,733,880 1,734,824 944 0.1%
Incl. MemUse (bytes) per call 23,752 23,765 13 0.1%
Excl. MemUse (bytes)-198,912 -199,080 -168 -0.1%
Incl. PeakMemUse (bytes)1,881,704 1,882,896 1,192 0.1%
Incl. PeakMemUse (bytes) per call 25,777 25,793 16 0.1%
Excl. PeakMemUse (bytes)6,544 6,544 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% 93 0.6% 443 3.4% 944 1.5% 1,192 2.0%
Exclusive Metrics Diff for Current Function28 30.1% 20 4.5% -168 -17.8% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 93 100.0% 443 100.0% 944 100.0% 1,192 100.0%
Child functions
unserialize0 N/A% 233 250.5% 457 103.2% 1,112 117.8% 1,160 97.3%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -181 -194.6% -47 -10.6% 0 0.0% 32 2.7%
explode0 N/A% 13 14.0% 13 2.9% 0 0.0% 0 0.0%