Diff Report
Run #519fb952126aa: XHProf Run (Namespace=drupal-perf-mrbaileys)
vs.
Run #519fb8e35d279: XHProf Run (Namespace=drupal-perf-mrbaileys)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519fb952126aaRun #519fb8e35d279DiffDiff%
Number of Function Calls77 77 0 0.0%
Incl. Wall Time (microsec)18,565 18,944 379 2.0%
Incl. Wall Time (microsec) per call 241 246 5 2.0%
Excl. Wall Time (microsec)1,377 1,435 58 4.2%
Incl. CPU (microsecs)8,000 20,001 12,001 150.0%
Incl. CPU (microsecs) per call 104 260 156 150.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)1,659,320 1,654,792 -4,528 -0.3%
Incl. MemUse (bytes) per call 21,550 21,491 -59 -0.3%
Excl. MemUse (bytes)-217,040 -216,000 1,040 0.5%
Incl. PeakMemUse (bytes)2,138,160 2,134,128 -4,032 -0.2%
Incl. PeakMemUse (bytes) per call 27,768 27,716 -52 -0.2%
Excl. PeakMemUse (bytes)5,880 5,880 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% 379 7.9% 12,001 150.0% -4,528 -1.7% -4,032 -1.5%
Exclusive Metrics Diff for Current Function58 15.3% 0 0.0% 1,040 23.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 379 100.0% 12,001 100.0% -4,528 -100.0% -4,032 -100.0%
Child functions
unserialize0 N/A% 287 75.7% 8,001 66.7% -5,568 -123.0% -3,912 -97.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 39 10.3% 4,000 33.3% 0 0.0% -120 -3.0%
explode0 N/A% -5 -1.3% 0 0.0% 0 0.0% 0 0.0%