Diff Report
Run #519fc53e46a65: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fc817b51ae: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #519fc53e46a65Run #519fc817b51aeDiffDiff%
Number of Function Calls68 68 0 0.0%
Incl. Wall Time (microsec)18,401 14,650 -3,751 -20.4%
Incl. Wall Time (microsec) per call 271 215 -55 -20.4%
Excl. Wall Time (microsec)1,619 1,311 -308 -19.0%
Incl. CPU (microsecs)12,000 24,000 12,000 100.0%
Incl. CPU (microsecs) per call 176 353 176 100.0%
Excl. CPU (microsec)4,000 8,000 4,000 100.0%
Incl. MemUse (bytes)1,824,576 1,824,576 0 0.0%
Incl. MemUse (bytes) per call 26,832 26,832 0 0.0%
Excl. MemUse (bytes)114,296 114,296 0 0.0%
Incl. PeakMemUse (bytes)2,372,696 2,372,696 0 0.0%
Incl. PeakMemUse (bytes) per call 34,893 34,893 0 0.0%
Excl. PeakMemUse (bytes)216,144 216,144 0 0.0%

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% -3,751 -82.3% 12,000 150.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-308 -8.2% 4,000 33.3% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get0 N/A% -3,656 -97.5% 12,000 100.0% 0 N/A% 0 N/A%
field_attach_load0 N/A% -95 -2.5% 0 0.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -2,552 -68.0% 4,000 33.3% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -906 -24.2% 0 0.0% 0 N/A% 0 N/A%
array_keys0 N/A% 16 0.4% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::escapeTable0 N/A% -1 -0.0% 0 0.0% 0 N/A% 0 N/A%
array_diff0 N/A% 0 0.0% 4,000 33.3% 0 N/A% 0 N/A%