Diff Report
Run #5192e6f7bc551: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5192e86ee04ad: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #5192e6f7bc551Run #5192e86ee04adDiffDiff%
Number of Function Calls70 70 0 0.0%
Incl. Wall Time (microsec)20,733 20,102 -631 -3.0%
Incl. Wall Time (microsec) per call 296 287 -9 -3.0%
Excl. Wall Time (microsec)1,133 1,083 -50 -4.4%
Incl. CPU (microsecs)16,659 16,553 -106 -0.6%
Incl. CPU (microsecs) per call 238 236 -2 -0.6%
Excl. CPU (microsec)1,031 970 -61 -5.9%
Incl. MemUse (bytes)1,393,688 1,393,688 0 0.0%
Incl. MemUse (bytes) per call 19,910 19,910 0 0.0%
Excl. MemUse (bytes)-176,296 -176,296 0 0.0%
Incl. PeakMemUse (bytes)1,961,664 1,961,664 0 0.0%
Incl. PeakMemUse (bytes) per call 28,024 28,024 0 0.0%
Excl. PeakMemUse (bytes)6,824 6,824 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% -631 -270.8% -106 -7.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-50 -7.9% -61 -57.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -631 -100.0% -106 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -418 -66.2% -223 -210.4% 0 N/A% 0 N/A%
unserialize0 N/A% -159 -25.2% 179 168.9% 0 N/A% 0 N/A%
explode0 N/A% -4 -0.6% -1 -0.9% 0 N/A% 0 N/A%