Diff Report
Run #51e30feb01694: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51e30f7568a45: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51e30feb01694Run #51e30f7568a45DiffDiff%
Number of Function Calls82 82 0 0.0%
Incl. Wall Time (microsec)24,533 25,725 1,192 4.9%
Incl. Wall Time (microsec) per call 299 314 15 4.9%
Excl. Wall Time (microsec)1,368 1,315 -53 -3.9%
Incl. CPU (microsecs)21,099 21,934 835 4.0%
Incl. CPU (microsecs) per call 257 267 10 4.0%
Excl. CPU (microsec)1,254 1,196 -58 -4.6%
Incl. MemUse (bytes)2,012,200 2,012,200 0 0.0%
Incl. MemUse (bytes) per call 24,539 24,539 0 0.0%
Excl. MemUse (bytes)-229,272 -229,272 0 0.0%
Incl. PeakMemUse (bytes)2,355,608 2,355,608 0 0.0%
Incl. PeakMemUse (bytes) per call 28,727 28,727 0 0.0%
Excl. PeakMemUse (bytes)7,168 7,168 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% 1,192 25.1% 835 285.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-53 -4.4% -58 -6.9% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 1,192 100.0% 835 100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% 1,580 132.6% 1,082 129.6% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -321 -26.9% -174 -20.8% 0 N/A% 0 N/A%
explode0 N/A% -14 -1.2% -15 -1.8% 0 N/A% 0 N/A%