Diff Report
Run #519fc84e17238: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fc53e46a65: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::queryRun #519fc84e17238Run #519fc53e46a65DiffDiff%
Number of Function Calls103 103 0 0.0%
Incl. Wall Time (microsec)12,008 12,422 414 3.4%
Incl. Wall Time (microsec) per call 117 121 4 3.4%
Excl. Wall Time (microsec)1,016 1,074 58 5.7%
Incl. CPU (microsecs)8,000 4,000 -4,000 -50.0%
Incl. CPU (microsecs) per call 78 39 -39 -50.0%
Excl. CPU (microsec)4,000 0 -4,000 -100.0%
Incl. MemUse (bytes)252,568 252,568 0 0.0%
Incl. MemUse (bytes) per call 2,452 2,452 0 0.0%
Excl. MemUse (bytes)-71,720 -71,720 0 0.0%
Incl. PeakMemUse (bytes)258,568 258,296 -272 -0.1%
Incl. PeakMemUse (bytes) per call 2,510 2,508 -3 -0.1%
Excl. PeakMemUse (bytes)39,024 39,032 8 0.0%

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% 414 76.4% -4,000 -100.0% 0 0.0% -272 -2.6%
Exclusive Metrics Diff for Current Function58 14.0% -4,000 -100.0% 0 N/A% 8 2.9%
Parent functions
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 542 130.9% -4,000 -100.0% 0 N/A% -576 -211.8%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple0 N/A% -95 -22.9% 0 0.0% 0 N/A% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 79 19.1% -4,000 -100.0% 0 N/A% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange0 N/A% -68 -16.4% 0 0.0% 0 N/A% 0 0.0%
Drupal\Core\Database\Query\Select::execute0 N/A% -55 -13.3% 0 0.0% 0 N/A% 240 88.2%
db_query0 N/A% 27 6.5% 4,000 100.0% 0 N/A% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -22 -5.3% 0 0.0% 0 N/A% 64 23.5%
Drupal\Core\Path\AliasManager::lookupPathSource0 N/A% 5 1.2% 0 0.0% 0 N/A% 0 0.0%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest0 N/A% 1 0.2% 0 0.0% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Statement::execute0 N/A% 325 78.5% 0 0.0% 0 N/A% -96 -35.3%
Drupal\Core\Database\Connection::prepareQuery0 N/A% 23 5.6% 0 0.0% 0 N/A% 0 0.0%
Drupal\Core\Database\Connection::expandArguments0 N/A% 9 2.2% 4,000 100.0% 0 N/A% -184 -67.6%
Drupal\Core\Database\Connection::defaultOptions0 N/A% -1 -0.2% -4,000 -100.0% 0 N/A% 0 0.0%