Diff Report
Run #51a14be6130cb: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a14f12e142e: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a14be6130cbRun #51a14f12e142eDiffDiff%
Number of Function Calls148 148 0 0.0%
Incl. Wall Time (microsec)33,234 33,073 -161 -0.5%
Incl. Wall Time (microsec) per call 225 223 -1 -0.5%
Excl. Wall Time (microsec)3,223 3,144 -79 -2.5%
Incl. CPU (microsecs)28,002 24,002 -4,000 -14.3%
Incl. CPU (microsecs) per call 189 162 -27 -14.3%
Excl. CPU (microsec)0 4,000 4,000 N/A%
Incl. MemUse (bytes)795,340 808,676 13,336 1.7%
Incl. MemUse (bytes) per call 5,374 5,464 90 1.7%
Excl. MemUse (bytes)-388,436 -388,036 400 0.1%
Incl. PeakMemUse (bytes)1,374,672 1,377,772 3,100 0.2%
Incl. PeakMemUse (bytes) per call 9,288 9,309 21 0.2%
Excl. PeakMemUse (bytes)2,492 2,552 60 2.4%

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% -161 -0.9% -4,000 -25.0% 13,336 25.0% 3,100 6.0%
Exclusive Metrics Diff for Current Function-79 -49.1% 4,000 100.0% 400 3.0% 60 1.9%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -161 -100.0% -4,000 -100.0% 13,336 100.0% 3,100 100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -166 -103.1% -8,001 -200.0% -2,048 -15.4% -4,424 -142.7%
unserialize0 N/A% 83 51.6% 1 0.0% 14,984 112.4% 7,464 240.8%
explode0 N/A% 1 0.6% 0 0.0% 0 0.0% 0 0.0%