Diff Report
Run #519b1557bbc04: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519b1a785aaa6: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519b1557bbc04Run #519b1a785aaa6DiffDiff%
Number of Function Calls91 91 0 0.0%
Incl. Wall Time (microsec)39,380 39,491 111 0.3%
Incl. Wall Time (microsec) per call 433 434 1 0.3%
Excl. Wall Time (microsec)2,278 2,360 82 3.6%
Incl. CPU (microsecs)38,231 38,243 12 0.0%
Incl. CPU (microsecs) per call 420 420 0 0.0%
Excl. CPU (microsec)2,131 2,217 86 4.0%
Incl. MemUse (bytes)2,208,136 2,195,448 -12,688 -0.6%
Incl. MemUse (bytes) per call 24,265 24,126 -139 -0.6%
Excl. MemUse (bytes)-251,064 -249,120 1,944 0.8%
Incl. PeakMemUse (bytes)2,863,176 2,848,152 -15,024 -0.5%
Incl. PeakMemUse (bytes) per call 31,463 31,298 -165 -0.5%
Excl. PeakMemUse (bytes)5,360 5,360 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% 111 5.6% 12 0.5% -12,688 -84.7% -15,024 -97.9%
Exclusive Metrics Diff for Current Function82 73.9% 86 716.7% 1,944 15.3% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 111 100.0% 12 100.0% -12,688 -100.0% -15,024 -100.0%
Child functions
unserialize0 N/A% -136 -122.5% -179 -1491.7% -14,632 -115.3% -14,944 -99.5%
explode0 N/A% 0 0.0% 4 33.3% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 165 148.6% 101 841.7% 0 0.0% -80 -0.5%