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

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #556d0efcc18beRun #556d13edd0b22DiffDiff%
Number of Function Calls116 116 0 0.0%
Incl. Wall Time (microsec)94,695 91,169 -3,526 -3.7%
Incl. Wall Time (microsec) per call 816 786 -30 -3.7%
Excl. Wall Time (microsec)5,985 5,927 -58 -1.0%
Incl. MemUse (bytes)6,493,944 6,493,984 40 0.0%
Incl. MemUse (bytes) per call 55,982 55,983 0 0.0%
Excl. MemUse (bytes)440,904 440,888 -16 -0.0%
Incl. PeakMemUse (bytes)7,099,432 7,099,808 376 0.0%
Incl. PeakMemUse (bytes) per call 61,202 61,205 3 0.0%
Excl. PeakMemUse (bytes)405,200 405,136 -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 Function-58 -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%