Diff Report
Run #530ef19752730: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #530ef14e56c65: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #530ef19752730Run #530ef14e56c65DiffDiff%
Number of Function Calls131 131 0 0.0%
Incl. Wall Time (microsec)19,280 19,674 394 2.0%
Incl. Wall Time (microsec) per call 147 150 3 2.0%
Excl. Wall Time (microsec)1,830 1,844 14 0.8%
Incl. CPU (microsecs)16,329 16,777 448 2.7%
Incl. CPU (microsecs) per call 125 128 3 2.7%
Excl. CPU (microsec)1,628 1,693 65 4.0%
Incl. MemUse (bytes)2,143,592 2,143,592 0 0.0%
Incl. MemUse (bytes) per call 16,363 16,363 0 0.0%
Excl. MemUse (bytes)-324,168 -324,168 0 0.0%
Incl. PeakMemUse (bytes)2,608,096 2,608,096 0 0.0%
Incl. PeakMemUse (bytes) per call 19,909 19,909 0 0.0%
Excl. PeakMemUse (bytes)7,184 7,184 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% 394 4.0% 448 5.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function14 3.6% 65 14.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 394 100.0% 448 100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% 337 85.5% 322 71.9% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 47 11.9% 72 16.1% 0 N/A% 0 N/A%
explode0 N/A% -2 -0.5% -9 -2.0% 0 N/A% 0 N/A%
spl_autoload_call0 N/A% -2 -0.5% -2 -0.4% 0 N/A% 0 N/A%