Diff Report
Run #565918537d922: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5659186b7d6e0: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\ChainedFastBackend::getMultiple

Drupal\Core\Cache\ChainedFastBackend::getMultipleRun #565918537d922Run #5659186b7d6e0DiffDiff%
Number of Function Calls8,200 8,300 100 1.2%
Incl. Wall Time (microsec)2,972,744 3,080,183 107,439 3.6%
Incl. Wall Time (microsec) per call 363 371 9 2.4%
Excl. Wall Time (microsec)67,201 67,640 439 0.7%
Incl. MemUse (bytes)504,947,696 550,365,112 45,417,416 9.0%
Incl. MemUse (bytes) per call 61,579 66,309 4,730 7.7%
Excl. MemUse (bytes)-3,675,376 -3,677,808 -2,432 -0.1%
Incl. PeakMemUse (bytes)493,383,256 499,591,248 6,207,992 1.3%
Incl. PeakMemUse (bytes) per call 60,169 60,192 23 0.0%
Excl. PeakMemUse (bytes)656,960 716,928 59,968 9.1%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\ChainedFastBackend::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\ChainedFastBackend::getMultiple100 33.3% 107,439 23.3% 45,417,416 2923.5% 6,207,992 405.8%
Exclusive Metrics Diff for Current Function439 0.4% -2,432 -0.0% 59,968 1.0%
Parent functions
Drupal\Core\Cache\ChainedFastBackend::get100 100.0% 98,666 91.8% 45,428,816 100.0% 5,971,648 96.2%
Drupal\webprofiler\Cache\CacheBackendWrapper::getMultiple0 0.0% 8,773 8.2% -11,400 -0.0% 236,344 3.8%
Child functions
Drupal\Core\Cache\ApcuBackend::getMultiple100 50.0% 109,500 101.9% 45,413,632 100.0% 6,107,256 98.4%
Drupal\Core\Cache\DatabaseBackend::getMultiple0 0.0% -2,740 -2.6% 6,152 0.0% 39,752 0.6%
Drupal\Core\Cache\ChainedFastBackend::getLastWriteTimestamp100 50.0% 1,524 1.4% 48 0.0% -6,760 -0.1%
Drupal\Core\Cache\ApcuBackend::set0 0.0% -1,282 -1.2% 16 0.0% 7,776 0.1%
array_search0 0.0% -2 -0.0% 0 0.0% 0 0.0%