Diff Report
Run #51ad024086f90: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51ad02c47d041: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51ad024086f90Run #51ad02c47d041DiffDiff%
Number of Function Calls71 71 0 0.0%
Incl. Wall Time (microsec)22,437 22,324 -113 -0.5%
Incl. Wall Time (microsec) per call 316 314 -2 -0.5%
Excl. Wall Time (microsec)1,217 1,190 -27 -2.2%
Incl. CPU (microsecs)18,539 18,051 -488 -2.6%
Incl. CPU (microsecs) per call 261 254 -7 -2.6%
Excl. CPU (microsec)1,080 1,096 16 1.5%
Incl. MemUse (bytes)1,720,720 1,724,112 3,392 0.2%
Incl. MemUse (bytes) per call 24,235 24,283 48 0.2%
Excl. MemUse (bytes)-189,416 -190,024 -608 -0.3%
Incl. PeakMemUse (bytes)2,001,568 2,005,656 4,088 0.2%
Incl. PeakMemUse (bytes) per call 28,191 28,249 58 0.2%
Excl. PeakMemUse (bytes)4,040 3,992 -48 -1.2%

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% -113 -2.6% -488 -15.7% 3,392 2.1% 4,088 2.6%
Exclusive Metrics Diff for Current Function-27 -23.9% 16 3.3% -608 -17.9% -48 -1.2%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -113 -100.0% -488 -100.0% 3,392 100.0% 4,088 100.0%
Child functions
unserialize0 N/A% -261 -231.0% -460 -94.3% 4,000 117.9% 4,016 98.2%
explode0 N/A% -6 -5.3% -13 -2.7% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 181 160.2% -31 -6.4% 0 0.0% 120 2.9%