Diff Report
Run #51a462112dd99: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a4630d23a4c: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a462112dd99Run #51a4630d23a4cDiffDiff%
Number of Function Calls70 70 0 0.0%
Incl. Wall Time (microsec)22,674 22,653 -21 -0.1%
Incl. Wall Time (microsec) per call 324 324 -0 -0.1%
Excl. Wall Time (microsec)1,664 1,626 -38 -2.3%
Incl. CPU (microsecs)28,003 24,000 -4,003 -14.3%
Incl. CPU (microsecs) per call 400 343 -57 -14.3%
Excl. CPU (microsec)0 4,000 4,000 N/A%
Incl. MemUse (bytes)719,676 720,688 1,012 0.1%
Incl. MemUse (bytes) per call 10,281 10,296 14 0.1%
Excl. MemUse (bytes)-173,724 -174,148 -424 -0.2%
Incl. PeakMemUse (bytes)982,648 988,892 6,244 0.6%
Incl. PeakMemUse (bytes) per call 14,038 14,127 89 0.6%
Excl. PeakMemUse (bytes)1,688 1,636 -52 -3.1%

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% -21 -1.7% -4,003 -200150.0% 1,012 3.1% 6,244 19.0%
Exclusive Metrics Diff for Current Function-38 -181.0% 4,000 99.9% -424 -41.9% -52 -0.8%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -21 -100.0% -4,003 -100.0% 1,012 100.0% 6,244 100.0%
Child functions
unserialize0 N/A% 32 152.4% 3,998 99.9% 1,436 141.9% 6,268 100.4%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -13 -61.9% -8,001 -199.9% 0 0.0% 28 0.4%
explode0 N/A% -2 -9.5% -4,000 -99.9% 0 0.0% 0 0.0%