Diff Report
Run #519bd405e5fe3: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519bd4feea4c7: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519bd405e5fe3Run #519bd4feea4c7DiffDiff%
Number of Function Calls140 140 0 0.0%
Incl. Wall Time (microsec)33,620 33,341 -279 -0.8%
Incl. Wall Time (microsec) per call 240 238 -2 -0.8%
Excl. Wall Time (microsec)2,716 2,640 -76 -2.8%
Incl. CPU (microsecs)29,065 28,993 -72 -0.2%
Incl. CPU (microsecs) per call 208 207 -1 -0.2%
Excl. CPU (microsec)2,540 2,477 -63 -2.5%
Incl. MemUse (bytes)2,380,208 2,380,112 -96 -0.0%
Incl. MemUse (bytes) per call 17,001 17,001 -1 -0.0%
Excl. MemUse (bytes)-477,360 -477,360 0 0.0%
Incl. PeakMemUse (bytes)2,752,880 2,753,440 560 0.0%
Incl. PeakMemUse (bytes) per call 19,663 19,667 4 0.0%
Excl. PeakMemUse (bytes)7,296 7,232 -64 -0.9%

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% -279 -4.7% -72 -1.1% -96 -0.2% 560 2.5%
Exclusive Metrics Diff for Current Function-76 -27.2% -63 -87.5% 0 0.0% -64 -11.4%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -279 -100.0% -72 -100.0% -96 -100.0% 560 100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -154 -55.2% -106 -147.2% 0 0.0% 128 22.9%
unserialize0 N/A% -64 -22.9% 75 104.2% -96 -100.0% 496 88.6%
explode0 N/A% 15 5.4% 22 30.6% 0 0.0% 0 0.0%