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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51e30f7568a45Run #51e30feb01694DiffDiff%
Number of Function Calls82 82 0 0.0%
Incl. Wall Time (microsec)25,725 24,533 -1,192 -4.6%
Incl. Wall Time (microsec) per call 314 299 -15 -4.6%
Excl. Wall Time (microsec)1,315 1,368 53 4.0%
Incl. CPU (microsecs)21,934 21,099 -835 -3.8%
Incl. CPU (microsecs) per call 267 257 -10 -3.8%
Excl. CPU (microsec)1,196 1,254 58 4.8%
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 Function53 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%