Diff Report
Run #51ec66a5a877d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec623000e0c: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::queryRun #51ec66a5a877dRun #51ec623000e0cDiffDiff%
Number of Function Calls300 300 0 0.0%
Incl. Wall Time (microsec)77,067 77,442 375 0.5%
Incl. Wall Time (microsec) per call 257 258 1 0.5%
Excl. Wall Time (microsec)4,372 4,394 22 0.5%
Incl. CPU (microsecs)41,985 41,406 -579 -1.4%
Incl. CPU (microsecs) per call 140 138 -2 -1.4%
Excl. CPU (microsec)3,695 3,616 -79 -2.1%
Incl. MemUse (bytes)1,663,232 1,663,104 -128 -0.0%
Incl. MemUse (bytes) per call 5,544 5,544 -0 -0.0%
Excl. MemUse (bytes)-246,688 -246,728 -40 -0.0%
Incl. PeakMemUse (bytes)750,920 748,224 -2,696 -0.4%
Incl. PeakMemUse (bytes) per call 2,503 2,494 -9 -0.4%
Excl. PeakMemUse (bytes)50,656 50,168 -488 -1.0%

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% 375 16.0% -579 -16.8% -128 -0.2% -2,696 -3.7%
Exclusive Metrics Diff for Current Function22 5.9% -79 -13.6% -40 -31.2% -488 -18.1%
Parent functions
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple0 N/A% -2,917 -777.9% -987 -170.5% 544 425.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 2,645 705.3% 337 58.2% 72 56.2% -1,016 -37.7%
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 212 56.5% 79 13.6% 0 0.0% 0 0.0%
db_query0 N/A% 208 55.5% 88 15.2% 8 6.2% 64 2.4%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 100 26.7% -20 -3.5% -48 -37.5% -920 -34.1%
Drupal\Core\Routing\RouteProvider::getRoutesByPath0 N/A% 95 25.3% -42 -7.3% 0 0.0% 72 2.7%
Drupal\Core\Database\Query\Select::execute0 N/A% 54 14.4% -42 -7.3% -704 -550.0% -256 -9.5%
Drupal\Core\Database\Query\Delete::execute0 N/A% -15 -4.0% 7 1.2% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Insert::execute0 N/A% -13 -3.5% 2 0.3% 0 0.0% -640 -23.7%
Drupal\Core\Database\Query\Update::execute0 N/A% 3 0.8% -2 -0.3% 0 0.0% 0 0.0%
Drupal\Core\Path\AliasManager::lookupPathSource0 N/A% 2 0.5% 2 0.3% 0 0.0% 0 0.0%
Drupal\Core\Routing\RouteProvider::getRoutesByNames0 N/A% 1 0.3% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange0 N/A% 0 0.0% -1 -0.2% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Statement::execute0 N/A% 426 113.6% -464 -80.1% -208 -162.5% -1,784 -66.2%
Drupal\Core\Database\Connection::prepareQuery0 N/A% -69 -18.4% -64 -11.1% 80 62.5% -160 -5.9%
Drupal\Core\Database\Connection::expandArguments0 N/A% -12 -3.2% -1 -0.2% -16 -12.5% -264 -9.8%
PDO::lastInsertId0 N/A% 7 1.9% 7 1.2% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::defaultOptions0 N/A% 1 0.3% 22 3.8% 56 43.8% 0 0.0%
PDOStatement::rowCount0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%