Diff Report
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec51f5849d9: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #51ec517fc2424Run #51ec51f5849d9DiffDiff%
Number of Function Calls9 9 0 0.0%
Incl. Wall Time (microsec)945 856 -89 -9.4%
Incl. Wall Time (microsec) per call 105 95 -10 -9.4%
Excl. Wall Time (microsec)113 106 -7 -6.2%
Incl. CPU (microsecs)755 741 -14 -1.9%
Incl. CPU (microsecs) per call 84 82 -2 -1.9%
Excl. CPU (microsec)100 95 -5 -5.0%
Incl. MemUse (bytes)82,304 82,304 0 0.0%
Incl. MemUse (bytes) per call 9,145 9,145 0 0.0%
Excl. MemUse (bytes)-13,784 -13,784 0 0.0%
Incl. PeakMemUse (bytes)99,176 99,176 0 0.0%
Incl. PeakMemUse (bytes) per call 11,020 11,020 0 0.0%
Excl. PeakMemUse (bytes)1,616 1,616 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem@1 [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::prepareItem@10 N/A% -89 -3.0% -14 -0.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-7 -7.9% -5 -35.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -89 -100.0% -14 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -65 -73.0% 8 57.1% 0 N/A% 0 N/A%
unserialize@10 N/A% -17 -19.1% -16 -114.3% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% -1 -7.1% 0 N/A% 0 N/A%