Diff Report
Run #519c0ad3d3949: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c0a514701f: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #519c0ad3d3949Run #519c0a514701fDiffDiff%
Number of Function Calls77 77 0 0.0%
Incl. Wall Time (microsec)76,737 78,623 1,886 2.5%
Incl. Wall Time (microsec) per call 997 1,021 24 2.5%
Excl. Wall Time (microsec)3,849 3,998 149 3.9%
Incl. CPU (microsecs)45,554 45,932 378 0.8%
Incl. CPU (microsecs) per call 592 597 5 0.8%
Excl. CPU (microsec)3,508 3,637 129 3.7%
Incl. MemUse (bytes)1,213,420 1,213,424 4 0.0%
Incl. MemUse (bytes) per call 15,759 15,759 0 0.0%
Excl. MemUse (bytes)168,924 168,928 4 0.0%
Incl. PeakMemUse (bytes)1,543,696 1,543,976 280 0.0%
Incl. PeakMemUse (bytes) per call 20,048 20,052 4 0.0%
Excl. PeakMemUse (bytes)185,104 185,140 36 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% 1,886 102.2% 378 10.8% 4 0.0% 280 0.1%
Exclusive Metrics Diff for Current Function149 7.9% 129 34.1% 4 100.0% 36 12.9%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get0 N/A% 1,778 94.3% 359 95.0% 4 100.0% 280 100.0%
field_attach_load0 N/A% 108 5.7% 19 5.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 1,908 101.2% 110 29.1% 0 0.0% 140 50.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -146 -7.7% 149 39.4% 0 0.0% 104 37.1%
Drupal\Core\Database\Connection::escapeTable0 N/A% -14 -0.7% -12 -3.2% 0 0.0% 0 0.0%
array_keys0 N/A% -6 -0.3% 2 0.5% 0 0.0% 0 0.0%
array_diff0 N/A% -5 -0.3% 0 0.0% 0 0.0% 0 0.0%