Diff Report
Run #51fdbca2b5409: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51fdbdbb58abc: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #51fdbca2b5409Run #51fdbdbb58abcDiffDiff%
Number of Function Calls62 62 0 0.0%
Incl. Wall Time (microsec)52,921 53,518 597 1.1%
Incl. Wall Time (microsec) per call 854 863 10 1.1%
Excl. Wall Time (microsec)2,813 2,788 -25 -0.9%
Incl. CPU (microsecs)33,270 33,368 98 0.3%
Incl. CPU (microsecs) per call 537 538 2 0.3%
Excl. CPU (microsec)2,500 2,484 -16 -0.6%
Incl. MemUse (bytes)2,725,488 2,726,368 880 0.0%
Incl. MemUse (bytes) per call 43,959 43,974 14 0.0%
Excl. MemUse (bytes)-35,136 -35,088 48 0.1%
Incl. PeakMemUse (bytes)3,523,920 3,526,984 3,064 0.1%
Incl. PeakMemUse (bytes) per call 56,837 56,887 49 0.1%
Excl. PeakMemUse (bytes)227,272 227,960 688 0.3%

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% 597 63.0% 98 136.1% 880 2.9% 3,064 10.0%
Exclusive Metrics Diff for Current Function-25 -4.2% -16 -16.3% 48 5.5% 688 22.5%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get0 N/A% 1,482 248.2% 470 479.6% 880 100.0% 3,224 105.2%
field_attach_load0 N/A% -750 -125.6% -260 -265.3% 0 0.0% -64 -2.1%
Drupal\Core\Config\CachedStorage::readMultiple0 N/A% -135 -22.6% -112 -114.3% 0 0.0% -96 -3.1%
Child functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 450 75.4% 266 271.4% 776 88.2% 1,456 47.5%
Drupal\Core\Database\Connection::query0 N/A% 197 33.0% -131 -133.7% 56 6.4% 920 30.0%
Drupal\Core\Database\Connection::escapeTable0 N/A% -19 -3.2% -18 -18.4% 0 0.0% 0 0.0%
array_diff0 N/A% -11 -1.8% -13 -13.3% 0 0.0% 0 0.0%
array_keys0 N/A% 5 0.8% 10 10.2% 0 0.0% 0 0.0%