Diff Report
Run #52e49caf3c7f2: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52e49d73f02cb: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52e49caf3c7f2Run #52e49d73f02cbDiffDiff%
Number of Function Calls70 70 0 0.0%
Incl. Wall Time (microsec)8,673 8,938 265 3.1%
Incl. Wall Time (microsec) per call 124 128 4 3.1%
Excl. Wall Time (microsec)1,088 1,075 -13 -1.2%
Incl. CPU (microsecs)8,388 8,657 269 3.2%
Incl. CPU (microsecs) per call 120 124 4 3.2%
Excl. CPU (microsec)1,013 981 -32 -3.2%
Incl. MemUse (bytes)969,984 970,672 688 0.1%
Incl. MemUse (bytes) per call 13,857 13,867 10 0.1%
Excl. MemUse (bytes)-148,856 -148,992 -136 -0.1%
Incl. PeakMemUse (bytes)1,392,976 1,388,784 -4,192 -0.3%
Incl. PeakMemUse (bytes) per call 19,900 19,840 -60 -0.3%
Excl. PeakMemUse (bytes)5,832 5,736 -96 -1.6%

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% 265 10.5% 269 13.1% 688 1.1% -4,192 -6.4%
Exclusive Metrics Diff for Current Function-13 -4.9% -32 -11.9% -136 -19.8% -96 -2.3%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 265 100.0% 269 100.0% 688 100.0% -4,192 -100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 199 75.1% 216 80.3% -16 -2.3% -1,040 -24.8%
unserialize0 N/A% 98 37.0% 104 38.7% 840 122.1% -3,056 -72.9%
explode0 N/A% -11 -4.2% -11 -4.1% 0 0.0% 0 0.0%
spl_autoload_call0 N/A% -8 -3.0% -8 -3.0% 0 0.0% 0 0.0%