Diff Report
Run #519eb7a1537f7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb880e5974: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #519eb7a1537f7Run #519eb880e5974DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)1,091 1,082 -9 -0.8%
Incl. Wall Time (microsec) per call 156 155 -1 -0.8%
Excl. Wall Time (microsec)158 159 1 0.6%
Incl. CPU (microsecs)932 924 -8 -0.9%
Incl. CPU (microsecs) per call 133 132 -1 -0.9%
Excl. CPU (microsec)148 141 -7 -4.7%
Incl. MemUse (bytes)38,612 38,612 0 0.0%
Incl. MemUse (bytes) per call 5,516 5,516 0 0.0%
Excl. MemUse (bytes)-11,528 -11,528 0 0.0%
Incl. PeakMemUse (bytes)62,648 62,648 0 0.0%
Incl. PeakMemUse (bytes) per call 8,950 8,950 0 0.0%
Excl. PeakMemUse (bytes)640 640 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% -9 -0.3% -8 -7.8% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function1 11.1% -7 -87.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -9 -100.0% -8 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -5 -55.6% 1 12.5% 0 N/A% 0 N/A%
unserialize@10 N/A% -5 -55.6% -2 -25.0% 0 N/A% 0 N/A%
explode0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%