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\ApcuBackend::getMultiple

Drupal\Core\Cache\ApcuBackend::getMultipleRun #565918537d922Run #5659186b7d6e0DiffDiff%
Number of Function Calls8,200 8,300 100 1.2%
Incl. Wall Time (microsec)2,595,232 2,704,732 109,500 4.2%
Incl. Wall Time (microsec) per call 316 326 9 3.0%
Excl. Wall Time (microsec)158,007 162,615 4,608 2.9%
Incl. MemUse (bytes)502,402,416 547,816,048 45,413,632 9.0%
Incl. MemUse (bytes) per call 61,269 66,002 4,733 7.7%
Excl. MemUse (bytes)-16,403,056 -16,547,160 -144,104 -0.9%
Incl. PeakMemUse (bytes)463,214,824 469,322,080 6,107,256 1.3%
Incl. PeakMemUse (bytes) per call 56,490 56,545 55 0.1%
Excl. PeakMemUse (bytes)1,047,832 1,102,768 54,936 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::getMultiple100 14.3% 109,500 23.7% 45,413,632 2923.3% 6,107,256 399.3%
Exclusive Metrics Diff for Current Function4,608 4.2% -144,104 -0.3% 54,936 0.9%
Parent function
Drupal\Core\Cache\ChainedFastBackend::getMultiple100 100.0% 109,500 100.0% 45,413,632 100.0% 6,107,256 100.0%
Child functions
apc_fetch100 16.7% 100,647 91.9% 45,413,744 100.0% 5,993,432 98.1%
Drupal\Core\Cache\ApcuBackend::prepareItem100 16.7% 3,000 2.7% 17,616 0.0% 0 0.0%
array_diff100 16.7% 583 0.5% 16,592 0.0% 0 0.0%
array_keys200 33.3% 581 0.5% 85,488 0.2% 35,784 0.6%
Drupal\Core\Cache\ApcuBackend::getApcuKey100 16.7% 81 0.1% 24,296 0.1% 23,104 0.4%