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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519fb8e35d279Run #519fb952126aaDiffDiff%
Number of Function Calls77 77 0 0.0%
Incl. Wall Time (microsec)18,944 18,565 -379 -2.0%
Incl. Wall Time (microsec) per call 246 241 -5 -2.0%
Excl. Wall Time (microsec)1,435 1,377 -58 -4.0%
Incl. CPU (microsecs)20,001 8,000 -12,001 -60.0%
Incl. CPU (microsecs) per call 260 104 -156 -60.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)1,654,792 1,659,320 4,528 0.3%
Incl. MemUse (bytes) per call 21,491 21,550 59 0.3%
Excl. MemUse (bytes)-216,000 -217,040 -1,040 -0.5%
Incl. PeakMemUse (bytes)2,134,128 2,138,160 4,032 0.2%
Incl. PeakMemUse (bytes) per call 27,716 27,768 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 Function-58 -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%