Diff Report
Run #519d5c4cd1983: XHProf Run (Namespace=drupal-perf-mrbaileys)
vs.
Run #519d5cada282f: XHProf Run (Namespace=drupal-perf-mrbaileys)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519d5c4cd1983Run #519d5cada282fDiffDiff%
Number of Function Calls56 56 0 0.0%
Incl. Wall Time (microsec)9,711 9,426 -285 -2.9%
Incl. Wall Time (microsec) per call 173 168 -5 -2.9%
Excl. Wall Time (microsec)1,024 1,093 69 6.7%
Incl. CPU (microsecs)4,000 16,001 12,001 300.0%
Incl. CPU (microsecs) per call 71 286 214 300.0%
Excl. CPU (microsec)0 4,000 4,000 N/A%
Incl. MemUse (bytes)1,079,072 1,078,952 -120 -0.0%
Incl. MemUse (bytes) per call 19,269 19,267 -2 -0.0%
Excl. MemUse (bytes)-114,400 -114,376 24 0.0%
Incl. PeakMemUse (bytes)1,424,248 1,423,744 -504 -0.0%
Incl. PeakMemUse (bytes) per call 25,433 25,424 -9 -0.0%
Excl. PeakMemUse (bytes)5,368 5,352 -16 -0.3%

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% -285 -13.0% 12,001 300.0% -120 -0.0% -504 -0.1%
Exclusive Metrics Diff for Current Function69 24.2% 4,000 33.3% 24 20.0% -16 -3.2%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -285 -100.0% 12,001 100.0% -120 -100.0% -504 -100.0%
Child functions
unserialize0 N/A% -203 -71.2% 0 0.0% -144 -120.0% -272 -54.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -155 -54.4% 8,001 66.7% 0 0.0% -216 -42.9%
explode0 N/A% 4 1.4% 0 0.0% 0 0.0% 0 0.0%