Diff Report
Run #53180b3960796: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #53180bc98020f: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #53180b3960796Run #53180bc98020fDiffDiff%
Number of Function Calls157 157 0 0.0%
Incl. Wall Time (microsec)37,077 37,585 508 1.4%
Incl. Wall Time (microsec) per call 236 239 3 1.4%
Excl. Wall Time (microsec)2,486 2,548 62 2.5%
Incl. CPU (microsecs)36,331 36,868 537 1.5%
Incl. CPU (microsecs) per call 231 235 3 1.5%
Excl. CPU (microsec)2,248 2,309 61 2.7%
Incl. MemUse (bytes)4,473,504 4,473,504 0 0.0%
Incl. MemUse (bytes) per call 28,494 28,494 0 0.0%
Excl. MemUse (bytes)-540,576 -540,576 0 0.0%
Incl. PeakMemUse (bytes)5,067,568 5,067,568 0 0.0%
Incl. PeakMemUse (bytes) per call 32,278 32,278 0 0.0%
Excl. PeakMemUse (bytes)9,608 9,608 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% 508 14.1% 537 16.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function62 12.2% 61 11.4% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 508 100.0% 537 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 235 46.3% 262 48.8% 0 N/A% 0 N/A%
unserialize0 N/A% 192 37.8% 188 35.0% 0 N/A% 0 N/A%
explode0 N/A% 11 2.2% 18 3.4% 0 N/A% 0 N/A%
spl_autoload_call0 N/A% 8 1.6% 8 1.5% 0 N/A% 0 N/A%