Diff Report
Run #544333b05173f: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #54433ad6a7755: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\ApcuBackend::getMultiple

Drupal\Core\Cache\ApcuBackend::getMultipleRun #544333b05173fRun #54433ad6a7755DiffDiff%
Number of Function Calls79 79 0 0.0%
Incl. Wall Time (microsec)20,779 24,002 3,223 15.5%
Incl. Wall Time (microsec) per call 263 304 41 15.5%
Excl. Wall Time (microsec)1,883 2,063 180 9.6%
Incl. CPU (microsecs)20,736 23,620 2,884 13.9%
Incl. CPU (microsecs) per call 262 299 37 13.9%
Excl. CPU (microsec)1,412 1,572 160 11.3%
Incl. MemUse (bytes)4,268,848 4,163,352 -105,496 -2.5%
Incl. MemUse (bytes) per call 54,036 52,701 -1,335 -2.5%
Excl. MemUse (bytes)-113,440 -113,424 16 0.0%
Incl. PeakMemUse (bytes)3,717,624 3,499,272 -218,352 -5.9%
Incl. PeakMemUse (bytes) per call 47,059 44,295 -2,764 -5.9%
Excl. PeakMemUse (bytes)16,352 15,360 -992 -6.1%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\ApcuBackend::getMultiple [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\ApcuBackend::getMultiple0 N/A% 3,223 3.7% 2,884 3.5% -105,496 -176.2% -218,352 -386.7%
Exclusive Metrics Diff for Current Function180 5.6% 160 5.5% 16 0.0% -992 -0.5%
Parent function
Drupal\Core\Cache\ChainedFastBackend::getMultiple0 N/A% 3,223 100.0% 2,884 100.0% -105,496 -100.0% -218,352 -100.0%
Child functions
apc_fetch0 N/A% 2,819 87.5% 2,552 88.5% -105,472 -100.0% -216,408 -99.1%
Drupal\Core\Cache\ApcuBackend::prepareItem0 N/A% 145 4.5% 125 4.3% 0 0.0% 0 0.0%
array_diff0 N/A% 42 1.3% 38 1.3% 0 0.0% 0 0.0%
array_keys0 N/A% 28 0.9% 22 0.8% -40 -0.0% -600 -0.3%
Drupal\Core\Cache\ApcuBackend::getApcuKey0 N/A% 9 0.3% -13 -0.5% 0 0.0% -352 -0.2%