Diff Report
Run #51a5256dc4557: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a518f009231: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a5256dc4557Run #51a518f009231DiffDiff%
Number of Function Calls72 72 0 0.0%
Incl. Wall Time (microsec)23,172 23,071 -101 -0.4%
Incl. Wall Time (microsec) per call 322 320 -1 -0.4%
Excl. Wall Time (microsec)1,748 1,768 20 1.1%
Incl. CPU (microsecs)24,000 16,001 -7,999 -33.3%
Incl. CPU (microsecs) per call 333 222 -111 -33.3%
Excl. CPU (microsec)0 4,000 4,000 N/A%
Incl. MemUse (bytes)733,156 728,996 -4,160 -0.6%
Incl. MemUse (bytes) per call 10,183 10,125 -58 -0.6%
Excl. MemUse (bytes)-179,444 -177,544 1,900 1.1%
Incl. PeakMemUse (bytes)997,888 911,116 -86,772 -8.7%
Incl. PeakMemUse (bytes) per call 13,860 12,654 -1,205 -8.7%
Excl. PeakMemUse (bytes)1,708 1,568 -140 -8.2%

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% -101 -2.9% -7,999 -200.0% -4,160 -5.9% -86,772 -126.2%
Exclusive Metrics Diff for Current Function20 19.8% 4,000 50.0% 1,900 45.7% -140 -0.2%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -101 -100.0% -7,999 -100.0% -4,160 -100.0% -86,772 -100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -61 -60.4% -8,000 -100.0% 0 0.0% -784 -0.9%
unserialize0 N/A% -58 -57.4% -3,999 -50.0% -6,060 -145.7% -85,848 -98.9%
explode0 N/A% -2 -2.0% 0 0.0% 0 0.0% 0 0.0%