Diff Report
Run #5206d72f6f4f8: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5206d663ca0ba: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #5206d72f6f4f8Run #5206d663ca0baDiffDiff%
Number of Function Calls112 112 0 0.0%
Incl. Wall Time (microsec)31,385 31,516 131 0.4%
Incl. Wall Time (microsec) per call 280 281 1 0.4%
Excl. Wall Time (microsec)2,334 2,384 50 2.1%
Incl. CPU (microsecs)26,286 26,490 204 0.8%
Incl. CPU (microsecs) per call 235 237 2 0.8%
Excl. CPU (microsec)2,212 2,225 13 0.6%
Incl. MemUse (bytes)2,408,384 2,408,080 -304 -0.0%
Incl. MemUse (bytes) per call 21,503 21,501 -3 -0.0%
Excl. MemUse (bytes)-343,880 -343,792 88 0.0%
Incl. PeakMemUse (bytes)2,939,232 2,939,432 200 0.0%
Incl. PeakMemUse (bytes) per call 26,243 26,245 2 0.0%
Excl. PeakMemUse (bytes)8,664 8,664 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% 131 9.1% 204 7.1% -304 -0.3% 200 0.2%
Exclusive Metrics Diff for Current Function50 38.2% 13 6.4% 88 28.9% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 131 100.0% 204 100.0% -304 -100.0% 200 100.0%
Child functions
unserialize0 N/A% 258 196.9% 159 77.9% -392 -128.9% -112 -56.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -169 -129.0% 34 16.7% 0 0.0% 312 156.0%
explode0 N/A% -8 -6.1% -2 -1.0% 0 0.0% 0 0.0%