Diff Report
Run #52f30aadf2c65: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52f30b3f0ac5a: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52f30aadf2c65Run #52f30b3f0ac5aDiffDiff%
Number of Function Calls205 205 0 0.0%
Incl. Wall Time (microsec)22,646 23,668 1,022 4.5%
Incl. Wall Time (microsec) per call 110 115 5 4.5%
Excl. Wall Time (microsec)2,738 2,638 -100 -3.7%
Incl. CPU (microsecs)22,496 23,521 1,025 4.6%
Incl. CPU (microsecs) per call 110 115 5 4.6%
Excl. CPU (microsec)2,511 2,403 -108 -4.3%
Incl. MemUse (bytes)3,097,256 3,097,256 0 0.0%
Incl. MemUse (bytes) per call 15,109 15,109 0 0.0%
Excl. MemUse (bytes)-428,520 -428,520 0 0.0%
Incl. PeakMemUse (bytes)3,658,736 3,658,736 0 0.0%
Incl. PeakMemUse (bytes) per call 17,847 17,847 0 0.0%
Excl. PeakMemUse (bytes)8,656 8,656 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% 1,022 311.6% 1,025 628.8% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-100 -9.8% -108 -10.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 1,022 100.0% 1,025 100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% 1,172 114.7% 1,154 112.6% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -50 -4.9% -23 -2.2% 0 N/A% 0 N/A%
explode0 N/A% -1 -0.1% 1 0.1% 0 N/A% 0 N/A%
spl_autoload_call0 N/A% 1 0.1% 1 0.1% 0 N/A% 0 N/A%