Diff Report
Run #52e97b490de91: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52e97bda33da9: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52e97b490de91Run #52e97bda33da9DiffDiff%
Number of Function Calls82 82 0 0.0%
Incl. Wall Time (microsec)19,583 19,479 -104 -0.5%
Incl. Wall Time (microsec) per call 239 238 -1 -0.5%
Excl. Wall Time (microsec)1,709 1,704 -5 -0.3%
Incl. CPU (microsecs)19,246 19,148 -98 -0.5%
Incl. CPU (microsecs) per call 235 234 -1 -0.5%
Excl. CPU (microsec)1,567 1,588 21 1.3%
Incl. MemUse (bytes)2,269,080 2,269,080 0 0.0%
Incl. MemUse (bytes) per call 27,672 27,672 0 0.0%
Excl. MemUse (bytes)-264,400 -264,400 0 0.0%
Incl. PeakMemUse (bytes)2,786,656 2,786,656 0 0.0%
Incl. PeakMemUse (bytes) per call 33,984 33,984 0 0.0%
Excl. PeakMemUse (bytes)7,576 7,576 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% -104 -26.7% -98 -6.6% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-5 -4.8% 21 21.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -104 -100.0% -98 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -59 -56.7% -60 -61.2% 0 N/A% 0 N/A%
unserialize0 N/A% -41 -39.4% -62 -63.3% 0 N/A% 0 N/A%
spl_autoload_call0 N/A% 3 2.9% 1 1.0% 0 N/A% 0 N/A%
explode0 N/A% -2 -1.9% 2 2.0% 0 N/A% 0 N/A%