Diff Report
Run #51af435181b2e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51af3d98520b7: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple@1

Drupal\Core\Cache\DatabaseBackend::getMultiple@1Run #51af435181b2eRun #51af3d98520b7DiffDiff%
Number of Function Calls8 8 0 0.0%
Incl. Wall Time (microsec)3,348 3,165 -183 -5.5%
Incl. Wall Time (microsec) per call 419 396 -23 -5.5%
Excl. Wall Time (microsec)213 221 8 3.8%
Incl. CPU (microsecs)2,173 2,215 42 1.9%
Incl. CPU (microsecs) per call 272 277 5 1.9%
Excl. CPU (microsec)200 190 -10 -5.0%
Incl. MemUse (bytes)191,856 191,856 0 0.0%
Incl. MemUse (bytes) per call 23,982 23,982 0 0.0%
Excl. MemUse (bytes)-19,064 -19,064 0 0.0%
Incl. PeakMemUse (bytes)206,240 206,240 0 0.0%
Incl. PeakMemUse (bytes) per call 25,780 25,780 0 0.0%
Excl. PeakMemUse (bytes)14,648 14,648 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::getMultiple@1 [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::getMultiple@10 N/A% -183 -22.9% 42 4.4% 0 0.0% 0 0.0%
Exclusive Metrics Diff for Current Function8 4.4% -10 -23.8% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::get@10 N/A% -183 -100.0% 42 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -127 -69.4% -1 -2.4% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -62 -33.9% 38 90.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::escapeTable0 N/A% -2 -1.1% 6 14.3% 0 N/A% 0 N/A%
array_diff0 N/A% 0 0.0% 4 9.5% 0 N/A% 0 N/A%
array_keys0 N/A% 0 0.0% 5 11.9% 0 N/A% 0 N/A%