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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52e49d73f02cbRun #52e49caf3c7f2DiffDiff%
Number of Function Calls70 70 0 0.0%
Incl. Wall Time (microsec)8,938 8,673 -265 -3.0%
Incl. Wall Time (microsec) per call 128 124 -4 -3.0%
Excl. Wall Time (microsec)1,075 1,088 13 1.2%
Incl. CPU (microsecs)8,657 8,388 -269 -3.1%
Incl. CPU (microsecs) per call 124 120 -4 -3.1%
Excl. CPU (microsec)981 1,013 32 3.3%
Incl. MemUse (bytes)970,672 969,984 -688 -0.1%
Incl. MemUse (bytes) per call 13,867 13,857 -10 -0.1%
Excl. MemUse (bytes)-148,992 -148,856 136 0.1%
Incl. PeakMemUse (bytes)1,388,784 1,392,976 4,192 0.3%
Incl. PeakMemUse (bytes) per call 19,840 19,900 60 0.3%
Excl. PeakMemUse (bytes)5,736 5,832 96 1.7%

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 Function13 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%