Diff Report
Run #519fe82fef731: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fe6587b366: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::queryRun #519fe82fef731Run #519fe6587b366DiffDiff%
Number of Function Calls94 94 0 0.0%
Incl. Wall Time (microsec)9,561 11,224 1,663 17.4%
Incl. Wall Time (microsec) per call 102 119 18 17.4%
Excl. Wall Time (microsec)841 991 150 17.8%
Incl. CPU (microsecs)4,000 0 -4,000 -100.0%
Incl. CPU (microsecs) per call 43 0 -43 -100.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)242,688 242,688 0 0.0%
Incl. MemUse (bytes) per call 2,582 2,582 0 0.0%
Excl. MemUse (bytes)-67,832 -67,832 0 0.0%
Incl. PeakMemUse (bytes)225,072 224,824 -248 -0.1%
Incl. PeakMemUse (bytes) per call 2,394 2,392 -3 -0.1%
Excl. PeakMemUse (bytes)31,400 31,320 -80 -0.3%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Connection::query [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\Database\Connection::query0 N/A% 1,663 39.5% -4,000 -100.0% 0 0.0% -248 -0.4%
Exclusive Metrics Diff for Current Function150 9.0% 0 0.0% 0 N/A% -80 -32.3%
Parent functions
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 1,062 63.9% -4,000 -100.0% 0 N/A% -184 -74.2%
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 466 28.0% 0 0.0% 0 N/A% 0 0.0%
Drupal\Core\Database\Query\Select::execute0 N/A% -156 -9.4% 0 0.0% 0 N/A% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 135 8.1% 0 0.0% 0 N/A% 0 0.0%
db_query0 N/A% 99 6.0% 0 0.0% 0 N/A% 0 0.0%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest0 N/A% 41 2.5% 0 0.0% 0 N/A% 0 0.0%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple0 N/A% 35 2.1% 0 0.0% 0 N/A% -64 -25.8%
Drupal\Core\Database\Driver\mysql\Connection::queryRange0 N/A% -28 -1.7% 0 0.0% 0 N/A% 0 0.0%
Drupal\Core\Path\AliasManager::lookupPathSource0 N/A% 9 0.5% 0 0.0% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Statement::execute0 N/A% 1,447 87.0% 0 0.0% 0 N/A% -152 -61.3%
Drupal\Core\Database\Connection::prepareQuery0 N/A% 49 2.9% 0 0.0% 0 N/A% 0 0.0%
Drupal\Core\Database\Connection::expandArguments0 N/A% 22 1.3% -4,000 -100.0% 0 N/A% -16 -6.5%
Drupal\Core\Database\Connection::defaultOptions0 N/A% -5 -0.3% 0 0.0% 0 N/A% 0 0.0%