Diff Report
Run #51e30f7568a45: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51e3103d95a81: 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 #51e3103d95a81DiffDiff%
Number of Function Calls82 82 0 0.0%
Incl. Wall Time (microsec)25,725 24,397 -1,328 -5.2%
Incl. Wall Time (microsec) per call 314 298 -16 -5.2%
Excl. Wall Time (microsec)1,315 1,386 71 5.4%
Incl. CPU (microsecs)21,934 20,828 -1,106 -5.0%
Incl. CPU (microsecs) per call 267 254 -13 -5.0%
Excl. CPU (microsec)1,196 1,250 54 4.5%
Incl. MemUse (bytes)2,012,200 2,013,584 1,384 0.1%
Incl. MemUse (bytes) per call 24,539 24,556 17 0.1%
Excl. MemUse (bytes)-229,272 -229,568 -296 -0.1%
Incl. PeakMemUse (bytes)2,355,608 2,357,520 1,912 0.1%
Incl. PeakMemUse (bytes) per call 28,727 28,750 23 0.1%
Excl. PeakMemUse (bytes)7,168 7,224 56 0.8%

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% -1,328 -20.7% -1,106 -234.3% 1,384 1.3% 1,912 1.8%
Exclusive Metrics Diff for Current Function71 5.3% 54 4.9% -296 -21.4% 56 2.9%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -1,328 -100.0% -1,106 -100.0% 1,384 100.0% 1,912 100.0%
Child functions
unserialize0 N/A% -1,401 -105.5% -1,116 -100.9% 1,688 122.0% 1,824 95.4%
explode0 N/A% 12 0.9% 19 1.7% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -10 -0.8% -63 -5.7% -8 -0.6% 32 1.7%