Diff Report
Run #519e633ddef65: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519e62c02d767: 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 #519e633ddef65Run #519e62c02d767DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)332 381 49 14.8%
Incl. Wall Time (microsec) per call 47 54 7 14.8%
Excl. Wall Time (microsec)94 88 -6 -6.4%
Incl. CPU (microsecs)339 387 48 14.2%
Incl. CPU (microsecs) per call 48 55 7 14.2%
Excl. CPU (microsec)84 78 -6 -7.1%
Incl. MemUse (bytes)36,080 36,080 0 0.0%
Incl. MemUse (bytes) per call 5,154 5,154 0 0.0%
Excl. MemUse (bytes)-4,576 -4,576 0 0.0%
Incl. PeakMemUse (bytes)28,552 28,552 0 0.0%
Incl. PeakMemUse (bytes) per call 4,079 4,079 0 0.0%
Excl. PeakMemUse (bytes)1,272 1,272 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% 49 12.5% 48 7.7% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-6 -12.2% -6 -12.5% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 49 100.0% 48 100.0% 0 N/A% 0 N/A%
Child functions
unserialize@10 N/A% 68 138.8% 67 139.6% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -13 -26.5% -13 -27.1% 0 N/A% 0 N/A%