Diff Report
Run #523f27f8820ba: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523f26a22745b: 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 #523f27f8820baRun #523f26a22745bDiffDiff%
Number of Function Calls146 146 0 0.0%
Incl. Wall Time (microsec)21,375 22,598 1,223 5.7%
Incl. Wall Time (microsec) per call 146 155 8 5.7%
Excl. Wall Time (microsec)2,274 2,305 31 1.4%
Incl. CPU (microsecs)18,467 19,554 1,087 5.9%
Incl. CPU (microsecs) per call 126 134 7 5.9%
Excl. CPU (microsec)2,044 2,099 55 2.7%
Incl. MemUse (bytes)2,625,688 2,609,712 -15,976 -0.6%
Incl. MemUse (bytes) per call 17,984 17,875 -109 -0.6%
Excl. MemUse (bytes)-425,256 -422,032 3,224 0.8%
Incl. PeakMemUse (bytes)3,002,520 2,982,696 -19,824 -0.7%
Incl. PeakMemUse (bytes) per call 20,565 20,429 -136 -0.7%
Excl. PeakMemUse (bytes)8,784 8,624 -160 -1.8%

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% 1,223 4.9% 1,087 4.2% -15,976 -19.8% -19,824 -24.4%
Exclusive Metrics Diff for Current Function31 2.5% 55 5.1% 3,224 20.2% -160 -0.8%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 1,223 100.0% 1,087 100.0% -15,976 -100.0% -19,824 -100.0%
Child functions
unserialize0 N/A% 796 65.1% 783 72.0% -19,224 -120.3% -19,000 -95.8%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 397 32.5% 251 23.1% 16 0.1% -664 -3.3%
explode0 N/A% -1 -0.1% -2 -0.2% 8 0.1% 0 0.0%