Diff Report
Run #530ad1a439784: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #530ad2358a7c5: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #530ad1a439784Run #530ad2358a7c5DiffDiff%
Number of Function Calls121 121 0 0.0%
Incl. Wall Time (microsec)20,757 20,458 -299 -1.4%
Incl. Wall Time (microsec) per call 172 169 -2 -1.4%
Excl. Wall Time (microsec)1,864 1,815 -49 -2.6%
Incl. CPU (microsecs)20,184 19,894 -290 -1.4%
Incl. CPU (microsecs) per call 167 164 -2 -1.4%
Excl. CPU (microsec)1,682 1,658 -24 -1.4%
Incl. MemUse (bytes)3,036,928 3,037,256 328 0.0%
Incl. MemUse (bytes) per call 25,099 25,101 3 0.0%
Excl. MemUse (bytes)-422,920 -423,160 -240 -0.1%
Incl. PeakMemUse (bytes)3,341,472 3,334,264 -7,208 -0.2%
Incl. PeakMemUse (bytes) per call 27,615 27,556 -60 -0.2%
Excl. PeakMemUse (bytes)7,432 7,248 -184 -2.5%

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% -299 -41.5% -290 -119.8% 328 1.0% -7,208 -19.4%
Exclusive Metrics Diff for Current Function-49 -16.4% -24 -8.3% -240 -73.2% -184 -2.6%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -299 -100.0% -290 -100.0% 328 100.0% -7,208 -100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -219 -73.2% -235 -81.0% 0 0.0% -984 -13.7%
unserialize0 N/A% -44 -14.7% -49 -16.9% 584 178.0% -6,064 -84.1%
spl_autoload_call0 N/A% 9 3.0% 8 2.8% 0 0.0% 40 0.6%
explode0 N/A% 4 1.3% 10 3.4% -16 -4.9% -16 -0.2%