Diff Report
Run #519fc9a1407b3: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fc956834f6: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::queryRun #519fc9a1407b3Run #519fc956834f6DiffDiff%
Number of Function Calls129 129 0 0.0%
Incl. Wall Time (microsec)17,405 17,612 207 1.2%
Incl. Wall Time (microsec) per call 135 137 2 1.2%
Excl. Wall Time (microsec)1,672 1,618 -54 -3.2%
Incl. CPU (microsecs)4,000 8,001 4,001 100.0%
Incl. CPU (microsecs) per call 31 62 31 100.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)785,616 785,608 -8 -0.0%
Incl. MemUse (bytes) per call 6,090 6,090 -0 -0.0%
Excl. MemUse (bytes)-91,920 -91,960 -40 -0.0%
Incl. PeakMemUse (bytes)531,264 531,080 -184 -0.0%
Incl. PeakMemUse (bytes) per call 4,118 4,117 -1 -0.0%
Excl. PeakMemUse (bytes)39,016 38,928 -88 -0.2%

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% 207 50.6% 4,001 100.0% -8 -0.0% -184 -0.1%
Exclusive Metrics Diff for Current Function-54 -26.1% 0 0.0% -40 -500.0% -88 -47.8%
Parent functions
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 143 69.1% 4,001 100.0% 16 200.0% -648 -352.2%
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 96 46.4% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple0 N/A% -53 -25.6% 0 0.0% 0 0.0% 208 113.0%
Drupal\Core\Path\AliasManager::lookupPathSource0 N/A% 43 20.8% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -32 -15.5% 0 0.0% -8 -100.0% 192 104.3%
Drupal\Core\Database\Driver\mysql\Connection::queryRange0 N/A% 23 11.1% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::execute0 N/A% -19 -9.2% 0 0.0% 0 0.0% 0 0.0%
db_query0 N/A% 6 2.9% 0 0.0% -16 -200.0% 64 34.8%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Statement::execute0 N/A% 237 114.5% 1 0.0% 16 200.0% 240 130.4%
Drupal\Core\Database\Connection::prepareQuery0 N/A% 21 10.1% 0 0.0% 0 0.0% -16 -8.7%
Drupal\Core\Database\Connection::expandArguments0 N/A% 10 4.8% 4,000 100.0% 0 0.0% 16 8.7%
Drupal\Core\Database\Connection::defaultOptions0 N/A% -7 -3.4% 0 0.0% 16 200.0% -336 -182.6%