Diff Report
Run #51a279f421da5: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a278c0bf3d5: XHProf Run (Namespace=drupal-perf-ezeedub)
Tip
Click a function name below to drill down.

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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a279f421da5Run #51a278c0bf3d5DiffDiff%
Number of Function Calls98 98 0 0.0%
Incl. Wall Time (microsec)28,197 28,377 180 0.6%
Incl. Wall Time (microsec) per call 288 290 2 0.6%
Excl. Wall Time (microsec)2,377 2,363 -14 -0.6%
Incl. CPU (microsecs)36,001 32,004 -3,997 -11.1%
Incl. CPU (microsecs) per call 367 327 -41 -11.1%
Excl. CPU (microsec)0 8,000 8,000 N/A%
Incl. MemUse (bytes)969,120 968,512 -608 -0.1%
Incl. MemUse (bytes) per call 9,889 9,883 -6 -0.1%
Excl. MemUse (bytes)-257,812 -257,540 272 0.1%
Incl. PeakMemUse (bytes)1,392,752 1,390,944 -1,808 -0.1%
Incl. PeakMemUse (bytes) per call 14,212 14,193 -18 -0.1%
Excl. PeakMemUse (bytes)3,080 3,144 64 2.1%

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% 180 3.5% -3,997 -99.9% -608 -3.1% -1,808 -9.4%
Exclusive Metrics Diff for Current Function-14 -7.8% 8,000 200.2% 272 44.7% 64 3.5%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 180 100.0% -3,997 -100.0% -608 -100.0% -1,808 -100.0%
Child functions
unserialize0 N/A% 106 58.9% 3 0.1% -880 -144.7% -1,860 -102.9%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 84 46.7% -12,000 -300.2% 0 0.0% -12 -0.7%
explode0 N/A% 4 2.2% 0 0.0% 0 0.0% 0 0.0%