Diff Report
Run #51a287b61fb31: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51a287779d22e: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a287b61fb31Run #51a287779d22eDiffDiff%
Number of Function Calls92 92 0 0.0%
Incl. Wall Time (microsec)22,141 23,565 1,424 6.4%
Incl. Wall Time (microsec) per call 241 256 15 6.4%
Excl. Wall Time (microsec)1,685 1,624 -61 -3.6%
Incl. CPU (microsecs)17,821 18,029 208 1.2%
Incl. CPU (microsecs) per call 194 196 2 1.2%
Excl. CPU (microsec)1,578 1,529 -49 -3.1%
Incl. MemUse (bytes)1,789,496 1,789,496 0 0.0%
Incl. MemUse (bytes) per call 19,451 19,451 0 0.0%
Excl. MemUse (bytes)-284,936 -284,936 0 0.0%
Incl. PeakMemUse (bytes)1,838,128 1,838,128 0 0.0%
Incl. PeakMemUse (bytes) per call 19,980 19,980 0 0.0%
Excl. PeakMemUse (bytes)4,656 4,656 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% 1,424 370.8% 208 226.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-61 -4.3% -49 -23.6% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 1,424 100.0% 208 100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% 1,526 107.2% 355 170.7% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -37 -2.6% -88 -42.3% 0 N/A% 0 N/A%
explode0 N/A% -4 -0.3% -10 -4.8% 0 N/A% 0 N/A%