Diff Report
Run #51a287779d22e: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51a287b61fb31: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem@1

Drupal\Core\Cache\DatabaseBackend::prepareItem@1Run #51a287779d22eRun #51a287b61fb31DiffDiff%
Number of Function Calls6 6 0 0.0%
Incl. Wall Time (microsec)388 285 -103 -26.5%
Incl. Wall Time (microsec) per call 65 48 -17 -26.5%
Excl. Wall Time (microsec)122 78 -44 -36.1%
Incl. CPU (microsecs)392 289 -103 -26.3%
Incl. CPU (microsecs) per call 65 48 -17 -26.3%
Excl. CPU (microsec)113 70 -43 -38.1%
Incl. MemUse (bytes)34,072 34,072 0 0.0%
Incl. MemUse (bytes) per call 5,679 5,679 0 0.0%
Excl. MemUse (bytes)-3,936 -3,936 0 0.0%
Incl. PeakMemUse (bytes)30,568 30,568 0 0.0%
Incl. PeakMemUse (bytes) per call 5,095 5,095 0 0.0%
Excl. PeakMemUse (bytes)1,752 1,752 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% -103 -26.8% -103 -112.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-44 -42.7% -43 -41.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -103 -100.0% -103 -100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -60 -58.3% -59 -57.3% 0 N/A% 0 N/A%
unserialize@10 N/A% 1 1.0% -1 -1.0% 0 N/A% 0 N/A%