Diff Report
Run #5659123816918: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5659177493c27: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\ApcuBackend::getMultiple

Drupal\Core\Cache\ApcuBackend::getMultipleRun #5659123816918Run #5659177493c27DiffDiff%
Number of Function Calls82 83 1 1.2%
Incl. Wall Time (microsec)26,321 26,545 224 0.9%
Incl. Wall Time (microsec) per call 321 320 -1 -0.4%
Excl. Wall Time (microsec)1,604 1,616 12 0.7%
Incl. MemUse (bytes)5,024,432 5,478,680 454,248 9.0%
Incl. MemUse (bytes) per call 61,274 66,008 4,735 7.7%
Excl. MemUse (bytes)-164,016 -165,472 -1,456 -0.9%
Incl. PeakMemUse (bytes)4,643,248 4,703,008 59,760 1.3%
Incl. PeakMemUse (bytes) per call 56,625 56,663 38 0.1%
Excl. PeakMemUse (bytes)10,544 11,096 552 5.2%

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.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Cache\ApcuBackend::getMultiple1 14.3% 224 2.5% 454,248 2787.5% 59,760 363.0%
Exclusive Metrics Diff for Current Function12 5.4% -1,456 -0.3% 552 0.9%
Parent function
Drupal\Core\Cache\ChainedFastBackend::getMultiple1 100.0% 224 100.0% 454,248 100.0% 59,760 100.0%
Child functions
apc_fetch1 16.7% 210 93.8% 454,256 100.0% 58,624 98.1%
array_diff1 16.7% 9 4.0% 168 0.0% 0 0.0%
Drupal\Core\Cache\ApcuBackend::prepareItem1 16.7% -7 -3.1% 184 0.0% 0 0.0%
Drupal\Core\Cache\ApcuBackend::getApcuKey1 16.7% 1 0.4% 232 0.1% 232 0.4%
array_keys2 33.3% -1 -0.4% 864 0.2% 352 0.6%