Diff Report
Run #519ec8bd1b3c1: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519ec8682c2dc: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519ec8bd1b3c1Run #519ec8682c2dcDiffDiff%
Number of Function Calls118 118 0 0.0%
Incl. Wall Time (microsec)24,398 26,776 2,378 9.7%
Incl. Wall Time (microsec) per call 207 227 20 9.7%
Excl. Wall Time (microsec)1,682 1,764 82 4.9%
Incl. CPU (microsecs)19,926 20,768 842 4.2%
Incl. CPU (microsecs) per call 169 176 7 4.2%
Excl. CPU (microsec)1,571 1,647 76 4.8%
Incl. MemUse (bytes)1,561,328 1,561,328 0 0.0%
Incl. MemUse (bytes) per call 13,232 13,232 0 0.0%
Excl. MemUse (bytes)-383,736 -383,736 0 0.0%
Incl. PeakMemUse (bytes)1,978,000 1,978,000 0 0.0%
Incl. PeakMemUse (bytes) per call 16,763 16,763 0 0.0%
Excl. PeakMemUse (bytes)5,152 5,152 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% 2,378 92.2% 842 18.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function82 3.4% 76 9.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 2,378 100.0% 842 100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% 1,296 54.5% 253 30.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 973 40.9% 484 57.5% 0 N/A% 0 N/A%
explode0 N/A% 27 1.1% 29 3.4% 0 N/A% 0 N/A%