Diff Report
Run #556d13edd0b22: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #556d0efcc18be: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #556d13edd0b22Run #556d0efcc18beDiffDiff%
Number of Function Calls116 116 0 0.0%
Incl. Wall Time (microsec)91,169 94,695 3,526 3.9%
Incl. Wall Time (microsec) per call 786 816 30 3.9%
Excl. Wall Time (microsec)5,927 5,985 58 1.0%
Incl. MemUse (bytes)6,493,984 6,493,944 -40 -0.0%
Incl. MemUse (bytes) per call 55,983 55,982 -0 -0.0%
Excl. MemUse (bytes)440,888 440,904 16 0.0%
Incl. PeakMemUse (bytes)7,099,808 7,099,432 -376 -0.0%
Incl. PeakMemUse (bytes) per call 61,205 61,202 -3 -0.0%
Excl. PeakMemUse (bytes)405,136 405,200 64 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.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 3,526 10.9% -40 -125.0% -376 -92.2%
Exclusive Metrics Diff for Current Function58 1.6% 16 40.0% 64 17.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get0 N/A% 2,399 68.0% -16 -40.0% -352 -93.6%
Drupal\Core\Config\CachedStorage::readMultiple0 N/A% 1,048 29.7% 8 20.0% -80 -21.3%
Drupal\Core\Entity\Sql\SqlContentEntityStorage::getFromPersistentCache0 N/A% 79 2.2% -32 -80.0% 56 14.9%
Child functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 1,823 51.7% -32 -80.0% -440 -117.0%
Drupal\Core\Database\Connection::query0 N/A% 1,424 40.4% -32 -80.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::normalizeCid0 N/A% 180 5.1% 0 0.0% 0 0.0%
array_keys0 N/A% 23 0.7% 0 0.0% 0 0.0%
array_diff0 N/A% 19 0.5% 8 20.0% 0 0.0%
Drupal\Core\Database\Connection::escapeTable0 N/A% -1 -0.0% 0 0.0% 0 0.0%