Diff Report
Run #523f52fbabfcb: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f527beec76: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #523f52fbabfcbRun #523f527beec76DiffDiff%
Number of Function Calls115 115 0 0.0%
Incl. Wall Time (microsec)18,405 17,855 -550 -3.0%
Incl. Wall Time (microsec) per call 160 155 -5 -3.0%
Excl. Wall Time (microsec)1,687 1,614 -73 -4.3%
Incl. CPU (microsecs)14,432 14,220 -212 -1.5%
Incl. CPU (microsecs) per call 125 124 -2 -1.5%
Excl. CPU (microsec)1,501 1,437 -64 -4.3%
Incl. MemUse (bytes)1,492,336 1,492,336 0 0.0%
Incl. MemUse (bytes) per call 12,977 12,977 0 0.0%
Excl. MemUse (bytes)-263,760 -263,760 0 0.0%
Incl. PeakMemUse (bytes)1,859,504 1,859,504 0 0.0%
Incl. PeakMemUse (bytes) per call 16,170 16,170 0 0.0%
Excl. PeakMemUse (bytes)6,280 6,280 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% -550 -14.0% -212 -2.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-73 -13.3% -64 -30.2% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -550 -100.0% -212 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -657 -119.5% -316 -149.1% 0 N/A% 0 N/A%
unserialize0 N/A% 183 33.3% 167 78.8% 0 N/A% 0 N/A%
explode0 N/A% -3 -0.5% 1 0.5% 0 N/A% 0 N/A%