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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #5206d663ca0baRun #5206d72f6f4f8DiffDiff%
Number of Function Calls112 112 0 0.0%
Incl. Wall Time (microsec)31,516 31,385 -131 -0.4%
Incl. Wall Time (microsec) per call 281 280 -1 -0.4%
Excl. Wall Time (microsec)2,384 2,334 -50 -2.1%
Incl. CPU (microsecs)26,490 26,286 -204 -0.8%
Incl. CPU (microsecs) per call 237 235 -2 -0.8%
Excl. CPU (microsec)2,225 2,212 -13 -0.6%
Incl. MemUse (bytes)2,408,080 2,408,384 304 0.0%
Incl. MemUse (bytes) per call 21,501 21,503 3 0.0%
Excl. MemUse (bytes)-343,792 -343,880 -88 -0.0%
Incl. PeakMemUse (bytes)2,939,432 2,939,232 -200 -0.0%
Incl. PeakMemUse (bytes) per call 26,245 26,243 -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 Function-50 -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%