Diff Report
Run #519af4b90e33b: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519af44245f83: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519af4b90e33bRun #519af44245f83DiffDiff%
Number of Function Calls113 113 0 0.0%
Incl. Wall Time (microsec)31,999 31,510 -489 -1.5%
Incl. Wall Time (microsec) per call 283 279 -4 -1.5%
Excl. Wall Time (microsec)2,477 2,360 -117 -4.7%
Incl. CPU (microsecs)27,483 27,094 -389 -1.4%
Incl. CPU (microsecs) per call 243 240 -3 -1.4%
Excl. CPU (microsec)2,303 2,217 -86 -3.7%
Incl. MemUse (bytes)2,039,776 2,039,744 -32 -0.0%
Incl. MemUse (bytes) per call 18,051 18,051 -0 -0.0%
Excl. MemUse (bytes)-263,488 -263,496 -8 -0.0%
Incl. PeakMemUse (bytes)2,372,320 2,372,512 192 0.0%
Incl. PeakMemUse (bytes) per call 20,994 20,996 2 0.0%
Excl. PeakMemUse (bytes)6,808 6,808 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. 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% -489 -21.5% -389 -21.0% -32 -0.0% 192 0.2%
Exclusive Metrics Diff for Current Function-117 -23.9% -86 -22.1% -8 -25.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -489 -100.0% -389 -100.0% -32 -100.0% 192 100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -224 -45.8% -105 -27.0% 0 0.0% -24 -12.5%
unserialize0 N/A% -139 -28.4% -192 -49.4% -24 -75.0% 216 112.5%
explode0 N/A% -9 -1.8% -6 -1.5% 0 0.0% 0 0.0%