Diff Report
Run #5391fc871e91d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #5391fd5a43e70: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::queryRun #5391fc871e91dRun #5391fd5a43e70DiffDiff%
Number of Function Calls189 189 0 0.0%
Incl. Wall Time (microsec)80,862 78,252 -2,610 -3.2%
Incl. Wall Time (microsec) per call 428 414 -14 -3.2%
Excl. Wall Time (microsec)3,652 3,632 -20 -0.5%
Incl. CPU (microsecs)28,874 28,238 -636 -2.2%
Incl. CPU (microsecs) per call 153 149 -3 -2.2%
Excl. CPU (microsec)3,072 3,057 -15 -0.5%
Incl. MemUse (bytes)267,144 267,136 -8 -0.0%
Incl. MemUse (bytes) per call 1,413 1,413 -0 -0.0%
Excl. MemUse (bytes)-110,448 -110,456 -8 -0.0%
Incl. PeakMemUse (bytes)346,964 348,452 1,488 0.4%
Incl. PeakMemUse (bytes) per call 1,836 1,844 8 0.4%
Excl. PeakMemUse (bytes)32,036 32,436 400 1.2%

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% -2,610 -156.4% -636 -159.0% -8 -0.0% 1,488 5.9%
Exclusive Metrics Diff for Current Function-20 -0.8% -15 -2.4% -8 -100.0% 400 26.9%
Parent functions
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -1,270 -48.7% -98 -15.4% -8 -100.0% -40 -2.7%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -836 -32.0% -220 -34.6% 0 0.0% -168 -11.3%
Drupal\Core\Config\DatabaseStorage::readMultiple0 N/A% -445 -17.0% -290 -45.6% 0 0.0% -404 -27.2%
Drupal\Core\Database\Driver\mysql\Insert::execute0 N/A% -187 -7.2% 42 6.6% 0 0.0% 64 4.3%
Drupal\Core\Config\DatabaseStorage::listAll0 N/A% 132 5.1% 13 2.0% 0 0.0% 0 0.0%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple0 N/A% 113 4.3% 82 12.9% 0 0.0% 68 4.6%
Drupal\Core\Path\AliasStorage::preloadPathAlias0 N/A% -66 -2.5% -37 -5.8% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Delete::execute0 N/A% 31 1.2% 22 3.5% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::execute0 N/A% -29 -1.1% -29 -4.6% 0 0.0% 36 2.4%
Drupal\Core\Routing\RouteProvider::getRoutesByNames0 N/A% -28 -1.1% 43 6.8% 0 0.0% -76 -5.1%
Drupal\Core\Routing\RouteProvider::getRoutesByPath0 N/A% -21 -0.8% -11 -1.7% 0 0.0% 0 0.0%
Drupal\Core\KeyValueStore\DatabaseStorageExpirable::getAll0 N/A% 12 0.5% -8 -1.3% 0 0.0% 0 0.0%
Drupal\Core\KeyValueStore\DatabaseStorageExpirable::getMultiple0 N/A% -7 -0.3% -5 -0.8% 0 0.0% 0 0.0%
Drupal\user\UserStorage::addRoles0 N/A% -6 -0.2% 1 0.2% 0 0.0% 0 0.0%
Drupal\Core\Path\AliasStorage::lookupPathSource0 N/A% -3 -0.1% -141 -22.2% 0 0.0% 2,008 134.9%
Drupal\Core\KeyValueStore\DatabaseStorage::getAll0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Statement::execute0 N/A% -2,570 -98.5% -606 -95.3% 8 100.0% 16 1.1%
Drupal\Core\Database\Connection::expandArguments0 N/A% -33 -1.3% -23 -3.6% -8 -100.0% 440 29.6%
Drupal\Core\Database\Connection::prepareQuery0 N/A% 10 0.4% 6 0.9% 0 0.0% 356 23.9%
Drupal\Core\Database\Connection::defaultOptions0 N/A% 2 0.1% 2 0.3% 0 0.0% 276 18.5%
Drupal\Core\Database\Statement::rowCount0 N/A% 1 0.0% 1 0.2% 0 0.0% 0 0.0%
PDO::lastInsertId0 N/A% 0 0.0% -1 -0.2% 0 0.0% 0 0.0%