Diff Report
Run #54e0a6d45fe2a: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #54e0a7d2151b1: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #54e0a6d45fe2aRun #54e0a7d2151b1DiffDiff%
Number of Function Calls131 131 0 0.0%
Incl. Wall Time (microsec)18,510 18,092 -418 -2.3%
Incl. Wall Time (microsec) per call 141 138 -3 -2.3%
Excl. Wall Time (microsec)1,131 1,172 41 3.6%
Incl. CPU (microsecs)17,362 17,025 -337 -1.9%
Incl. CPU (microsecs) per call 133 130 -3 -1.9%
Excl. CPU (microsec)977 1,017 40 4.1%
Incl. MemUse (bytes)4,258,760 4,258,728 -32 -0.0%
Incl. MemUse (bytes) per call 32,510 32,509 -0 -0.0%
Excl. MemUse (bytes)-478,696 -478,696 0 0.0%
Incl. PeakMemUse (bytes)4,587,192 4,594,704 7,512 0.2%
Incl. PeakMemUse (bytes) per call 35,017 35,074 57 0.2%
Excl. PeakMemUse (bytes)1,880 1,880 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% -418 -56.6% -337 -92.6% -32 -0.3% 7,512 70.8%
Exclusive Metrics Diff for Current Function41 9.8% 40 11.9% 0 0.0% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -418 -100.0% -337 -100.0% -32 -100.0% 7,512 100.0%
Child functions
unserialize0 N/A% -299 -71.5% -267 -79.2% -32 -100.0% 7,384 98.3%
Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% -164 -39.2% -109 -32.3% 0 0.0% 128 1.7%
explode0 N/A% 4 1.0% -1 -0.3% 0 0.0% 0 0.0%