Diff Report
Run #52e4a1c03557c: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e4a222581ef: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #52e4a1c03557cRun #52e4a222581efDiffDiff%
Number of Function Calls57 57 0 0.0%
Incl. Wall Time (microsec)23,431 23,708 277 1.2%
Incl. Wall Time (microsec) per call 411 416 5 1.2%
Excl. Wall Time (microsec)1,595 1,609 14 0.9%
Incl. CPU (microsecs)15,845 15,850 5 0.0%
Incl. CPU (microsecs) per call 278 278 0 0.0%
Excl. CPU (microsec)1,417 1,397 -20 -1.4%
Incl. MemUse (bytes)1,811,016 1,811,896 880 0.0%
Incl. MemUse (bytes) per call 31,772 31,788 15 0.0%
Excl. MemUse (bytes)-386,776 -386,624 152 0.0%
Incl. PeakMemUse (bytes)2,482,744 2,477,800 -4,944 -0.2%
Incl. PeakMemUse (bytes) per call 43,557 43,470 -87 -0.2%
Excl. PeakMemUse (bytes)188,336 187,056 -1,280 -0.7%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::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\DatabaseBackend::getMultiple0 N/A% 277 56.2% 5 2.4% 880 3.4% -4,944 -18.7%
Exclusive Metrics Diff for Current Function14 5.1% -20 -400.0% 152 17.3% -1,280 -25.9%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get0 N/A% 142 51.3% 22 440.0% 928 105.5% -168 -3.4%
Drupal\Core\Config\CachedStorage::readMultiple0 N/A% 135 48.7% -17 -340.0% -48 -5.5% -4,776 -96.6%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 326 117.7% 50 1000.0% 8 0.9% -2,944 -59.5%
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -68 -24.5% -58 -1160.0% 720 81.8% -416 -8.4%
array_diff0 N/A% 4 1.4% 19 380.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::escapeTable0 N/A% 1 0.4% 3 60.0% 0 0.0% -304 -6.1%
array_keys0 N/A% 0 0.0% 11 220.0% 0 0.0% 0 0.0%