Diff Report
Run #52e96dacba2bc: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52e96ef41921e: XHProf Run (Namespace=drupal-perf-joelpittet)
Tip
Click a function name below to drill down.

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

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #52e96dacba2bcRun #52e96ef41921eDiffDiff%
Number of Function Calls82 82 0 0.0%
Incl. Wall Time (microsec)21,203 21,500 297 1.4%
Incl. Wall Time (microsec) per call 259 262 4 1.4%
Excl. Wall Time (microsec)1,704 2,051 347 20.4%
Incl. CPU (microsecs)20,821 21,185 364 1.7%
Incl. CPU (microsecs) per call 254 258 4 1.7%
Excl. CPU (microsec)1,584 1,913 329 20.8%
Incl. MemUse (bytes)2,269,080 2,269,080 0 0.0%
Incl. MemUse (bytes) per call 27,672 27,672 0 0.0%
Excl. MemUse (bytes)-264,400 -264,400 0 0.0%
Incl. PeakMemUse (bytes)2,786,656 2,786,656 0 0.0%
Incl. PeakMemUse (bytes) per call 33,984 33,984 0 0.0%
Excl. PeakMemUse (bytes)7,576 7,576 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% 297 0.8% 364 0.9% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function347 116.8% 329 90.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 297 100.0% 364 100.0% 0 N/A% 0 N/A%
Child functions
unserialize0 N/A% -646 -217.5% -639 -175.5% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 574 193.3% 649 178.3% 0 N/A% 0 N/A%
explode0 N/A% 32 10.8% 36 9.9% 0 N/A% 0 N/A%
spl_autoload_call0 N/A% -10 -3.4% -11 -3.0% 0 N/A% 0 N/A%