Diff Report
Run #51b518680585e: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51b517a409f93: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51b518680585eRun #51b517a409f93DiffDiff%
Number of Function Calls115 115 0 0.0%
Incl. Wall Time (microsec)34,770 34,894 124 0.4%
Incl. Wall Time (microsec) per call 302 303 1 0.4%
Excl. Wall Time (microsec)2,672 2,647 -25 -0.9%
Incl. CPU (microsecs)29,142 29,218 76 0.3%
Incl. CPU (microsecs) per call 253 254 1 0.3%
Excl. CPU (microsec)2,512 2,487 -25 -1.0%
Incl. MemUse (bytes)2,291,232 2,291,120 -112 -0.0%
Incl. MemUse (bytes) per call 19,924 19,923 -1 -0.0%
Excl. MemUse (bytes)-334,472 -334,480 -8 -0.0%
Incl. PeakMemUse (bytes)2,423,864 2,423,896 32 0.0%
Incl. PeakMemUse (bytes) per call 21,077 21,077 0 0.0%
Excl. PeakMemUse (bytes)4,960 5,104 144 2.9%

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% 124 2.4% 76 2.6% -112 -0.3% 32 0.1%
Exclusive Metrics Diff for Current Function-25 -20.2% -25 -32.9% -8 -7.1% 144 450.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 124 100.0% 76 100.0% -112 -100.0% 32 100.0%
Child functions
unserialize0 N/A% 216 174.2% 156 205.3% -104 -92.9% 184 575.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -43 -34.7% -29 -38.2% 0 0.0% -296 -925.0%
explode0 N/A% -24 -19.4% -26 -34.2% 0 0.0% 0 0.0%