Diff Report
Run #51e3103d95a81: 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 #51e3103d95a81Run #51e30f7568a45DiffDiff%
Number of Function Calls82 82 0 0.0%
Incl. Wall Time (microsec)24,397 25,725 1,328 5.4%
Incl. Wall Time (microsec) per call 298 314 16 5.4%
Excl. Wall Time (microsec)1,386 1,315 -71 -5.1%
Incl. CPU (microsecs)20,828 21,934 1,106 5.3%
Incl. CPU (microsecs) per call 254 267 13 5.3%
Excl. CPU (microsec)1,250 1,196 -54 -4.3%
Incl. MemUse (bytes)2,013,584 2,012,200 -1,384 -0.1%
Incl. MemUse (bytes) per call 24,556 24,539 -17 -0.1%
Excl. MemUse (bytes)-229,568 -229,272 296 0.1%
Incl. PeakMemUse (bytes)2,357,520 2,355,608 -1,912 -0.1%
Incl. PeakMemUse (bytes) per call 28,750 28,727 -23 -0.1%
Excl. PeakMemUse (bytes)7,224 7,168 -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 Function-71 -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%