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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a518f009231Run #51a5256dc4557DiffDiff%
Number of Function Calls72 72 0 0.0%
Incl. Wall Time (microsec)23,071 23,172 101 0.4%
Incl. Wall Time (microsec) per call 320 322 1 0.4%
Excl. Wall Time (microsec)1,768 1,748 -20 -1.1%
Incl. CPU (microsecs)16,001 24,000 7,999 50.0%
Incl. CPU (microsecs) per call 222 333 111 50.0%
Excl. CPU (microsec)4,000 0 -4,000 -100.0%
Incl. MemUse (bytes)728,996 733,156 4,160 0.6%
Incl. MemUse (bytes) per call 10,125 10,183 58 0.6%
Excl. MemUse (bytes)-177,544 -179,444 -1,900 -1.1%
Incl. PeakMemUse (bytes)911,116 997,888 86,772 9.5%
Incl. PeakMemUse (bytes) per call 12,654 13,860 1,205 9.5%
Excl. PeakMemUse (bytes)1,568 1,708 140 8.9%

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 Function-20 -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%