Diff Report
Run #55f2365d0c6b8: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #55f235cac18ad: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #55f2365d0c6b8Run #55f235cac18adDiffDiff%
Number of Function Calls31 31 0 0.0%
Incl. Wall Time (microsec)14,892 14,878 -14 -0.1%
Incl. Wall Time (microsec) per call 480 480 -0 -0.1%
Excl. Wall Time (microsec)358 361 3 0.8%
Incl. MemUse (bytes)2,389,560 2,389,272 -288 -0.0%
Incl. MemUse (bytes) per call 77,083 77,073 -9 -0.0%
Excl. MemUse (bytes)-580,120 -580,096 24 0.0%
Incl. PeakMemUse (bytes)3,785,776 3,785,088 -688 -0.0%
Incl. PeakMemUse (bytes) per call 122,122 122,100 -22 -0.0%
Excl. PeakMemUse (bytes)1,520 1,520 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.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -14 -1.0% -288 -83.7% -688 -124.6%
Exclusive Metrics Diff for Current Function3 21.4% 24 8.3% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -14 -100.0% -288 -100.0% -688 -100.0%
Child functions
spl_autoload_call0 N/A% -302 -2157.1% 0 0.0% 0 0.0%
unserialize0 N/A% 279 1992.9% -312 -108.3% -312 -45.3%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% 5 35.7% 0 0.0% -184 -26.7%
explode0 N/A% 1 7.1% 0 0.0% -192 -27.9%