Diff Report
Run #519c60f26cf68: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c6200dd578: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #519c60f26cf68Run #519c6200dd578DiffDiff%
Number of Function Calls96 96 0 0.0%
Incl. Wall Time (microsec)78,807 80,421 1,614 2.0%
Incl. Wall Time (microsec) per call 821 838 17 2.0%
Excl. Wall Time (microsec)4,858 5,095 237 4.9%
Incl. CPU (microsecs)43,830 44,150 320 0.7%
Incl. CPU (microsecs) per call 457 460 3 0.7%
Excl. CPU (microsec)4,429 4,616 187 4.2%
Incl. MemUse (bytes)1,480,192 1,480,192 0 0.0%
Incl. MemUse (bytes) per call 15,419 15,419 0 0.0%
Excl. MemUse (bytes)270,792 270,820 28 0.0%
Incl. PeakMemUse (bytes)1,828,668 1,828,452 -216 -0.0%
Incl. PeakMemUse (bytes) per call 19,049 19,046 -2 -0.0%
Excl. PeakMemUse (bytes)232,180 232,144 -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% 1,614 23.5% 320 4.5% 0 0.0% -216 -0.1%
Exclusive Metrics Diff for Current Function237 14.7% 187 58.4% 28 N/A% -36 -16.7%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get0 N/A% 1,587 98.3% 303 94.7% 0 N/A% -216 -100.0%
field_attach_load0 N/A% 27 1.7% 17 5.3% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 1,388 86.0% 191 59.7% -32 N/A% -136 -63.0%
Drupal\Core\Database\Connection::escapeTable0 N/A% -29 -1.8% 0 0.0% 0 N/A% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 8 0.5% -79 -24.7% 4 N/A% -44 -20.4%
array_diff0 N/A% 5 0.3% 15 4.7% 0 N/A% 0 0.0%
array_keys0 N/A% 5 0.3% 6 1.9% 0 N/A% 0 0.0%