Diff Report
Run #51ec52a09990a: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec517fc2424: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #51ec52a09990aRun #51ec517fc2424DiffDiff%
Number of Function Calls93 93 0 0.0%
Incl. Wall Time (microsec)45,946 46,168 222 0.5%
Incl. Wall Time (microsec) per call 494 496 2 0.5%
Excl. Wall Time (microsec)3,198 3,233 35 1.1%
Incl. CPU (microsecs)34,665 34,838 173 0.5%
Incl. CPU (microsecs) per call 373 375 2 0.5%
Excl. CPU (microsec)2,846 2,847 1 0.0%
Incl. MemUse (bytes)3,120,200 3,120,272 72 0.0%
Incl. MemUse (bytes) per call 33,551 33,551 1 0.0%
Excl. MemUse (bytes)-91,208 -90,368 840 0.9%
Incl. PeakMemUse (bytes)3,502,880 3,519,720 16,840 0.5%
Incl. PeakMemUse (bytes) per call 37,665 37,846 181 0.5%
Excl. PeakMemUse (bytes)234,072 232,864 -1,208 -0.5%

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% 222 5.4% 173 4.1% 72 0.3% 16,840 73.2%
Exclusive Metrics Diff for Current Function35 15.8% 1 0.6% 840 1166.7% -1,208 -7.2%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get0 N/A% 598 269.4% 422 243.9% -896 -1244.4% -3,888 -23.1%
Drupal\Core\Config\CachedStorage::readMultiple0 N/A% -330 -148.6% -204 -117.9% 920 1277.8% 20,608 122.4%
field_attach_load0 N/A% -46 -20.7% -45 -26.0% 48 66.7% 120 0.7%
Child functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 798 359.5% 355 205.2% -88 -122.2% 13,816 82.0%
Drupal\Core\Database\Connection::query0 N/A% -611 -275.2% -189 -109.2% -568 -788.9% 3,872 23.0%
array_diff0 N/A% 6 2.7% 13 7.5% -16 -22.2% 0 0.0%
Drupal\Core\Database\Connection::escapeTable0 N/A% -5 -2.3% -17 -9.8% -48 -66.7% 360 2.1%
array_keys0 N/A% -1 -0.5% 10 5.8% -48 -66.7% 0 0.0%