Diff Report
Run #519ac1a144fa6: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519abf80bb905: XHProf Run (Namespace=drupal-perf-jenlampton)
Tip
Click a function name below to drill down.

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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519ac1a144fa6Run #519abf80bb905DiffDiff%
Number of Function Calls89 90 1 1.1%
Incl. Wall Time (microsec)39,516 39,603 87 0.2%
Incl. Wall Time (microsec) per call 444 440 -4 -0.9%
Excl. Wall Time (microsec)2,278 2,291 13 0.6%
Incl. CPU (microsecs)38,335 38,343 8 0.0%
Incl. CPU (microsecs) per call 431 426 -5 -1.1%
Excl. CPU (microsec)2,148 2,131 -17 -0.8%
Incl. MemUse (bytes)2,187,592 2,215,888 28,296 1.3%
Incl. MemUse (bytes) per call 24,580 24,621 41 0.2%
Excl. MemUse (bytes)-246,944 -251,344 -4,400 -1.8%
Incl. PeakMemUse (bytes)2,836,336 2,869,208 32,872 1.2%
Incl. PeakMemUse (bytes) per call 31,869 31,880 11 0.0%
Excl. PeakMemUse (bytes)5,360 5,384 24 0.4%

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::prepareItem1 33.3% 87 10.9% 8 0.5% 28,296 6.6% 32,872 2.1%
Exclusive Metrics Diff for Current Function13 14.9% -17 -212.5% -4,400 -15.5% 24 0.1%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple1 100.0% 87 100.0% 8 100.0% 28,296 100.0% 32,872 100.0%
Child functions
unserialize1 50.0% 159 182.8% 55 687.5% 32,176 113.7% 32,008 97.4%
Drupal\Core\Cache\DatabaseBackend::checksumTags1 50.0% -86 -98.9% -37 -462.5% 520 1.8% 840 2.6%
explode0 0.0% 1 1.1% 7 87.5% 0 0.0% 0 0.0%