Diff Report
Run #5422297e7f32f: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #542229efabc5e: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #5422297e7f32fRun #542229efabc5eDiffDiff%
Number of Function Calls111 111 0 0.0%
Incl. Wall Time (microsec)22,770 21,216 -1,554 -6.8%
Incl. Wall Time (microsec) per call 205 191 -14 -6.8%
Excl. Wall Time (microsec)1,577 1,523 -54 -3.4%
Incl. CPU (microsecs)21,816 20,282 -1,534 -7.0%
Incl. CPU (microsecs) per call 197 183 -14 -7.0%
Excl. CPU (microsec)1,422 1,334 -88 -6.2%
Incl. MemUse (bytes)4,303,856 4,303,856 0 0.0%
Incl. MemUse (bytes) per call 38,773 38,773 0 0.0%
Excl. MemUse (bytes)-654,480 -654,480 0 0.0%
Incl. PeakMemUse (bytes)4,945,040 4,945,040 0 0.0%
Incl. PeakMemUse (bytes) per call 44,550 44,550 0 0.0%
Excl. PeakMemUse (bytes)6,624 6,624 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% -1,554 -321.1% -1,534 -398.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-54 -3.5% -88 -5.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -1,554 -100.0% -1,534 -100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -1,392 -89.6% -1,396 -91.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -108 -6.9% -55 -3.6% 0 N/A% 0 N/A%
explode0 N/A% -3 -0.2% 3 0.2% 0 N/A% 0 N/A%
Composer\Autoload\ClassLoader::loadClass0 N/A% 3 0.2% 2 0.1% 0 N/A% 0 N/A%