Diff Report
Run #519c153c76aa0: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c1681d41e5: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::queryRun #519c153c76aa0Run #519c1681d41e5DiffDiff%
Number of Function Calls140 140 0 0.0%
Incl. Wall Time (microsec)46,615 47,833 1,218 2.6%
Incl. Wall Time (microsec) per call 333 342 9 2.6%
Excl. Wall Time (microsec)2,315 2,280 -35 -1.5%
Incl. CPU (microsecs)23,381 23,622 241 1.0%
Incl. CPU (microsecs) per call 167 169 2 1.0%
Excl. CPU (microsec)2,033 1,960 -73 -3.6%
Incl. MemUse (bytes)950,544 950,592 48 0.0%
Incl. MemUse (bytes) per call 6,790 6,790 0 0.0%
Excl. MemUse (bytes)-111,608 -111,608 0 0.0%
Incl. PeakMemUse (bytes)418,264 417,968 -296 -0.1%
Incl. PeakMemUse (bytes) per call 2,988 2,985 -2 -0.1%
Excl. PeakMemUse (bytes)26,184 26,336 152 0.6%

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% 1,218 32.8% 241 8.5% 48 0.1% -296 -0.5%
Exclusive Metrics Diff for Current Function-35 -2.9% -73 -30.3% 0 0.0% 152 51.4%
Parent functions
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 1,098 90.1% 207 85.9% 16 33.3% 72 24.3%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 328 26.9% 48 19.9% 16 33.3% -88 -29.7%
Drupal\Core\Database\Query\Select::execute0 N/A% -283 -23.2% -55 -22.8% 0 0.0% 0 0.0%
Drupal\Core\Path\AliasManager::lookupPathSource0 N/A% -124 -10.2% -72 -29.9% 0 0.0% 0 0.0%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple0 N/A% 84 6.9% 58 24.1% 0 0.0% -80 -27.0%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest0 N/A% 83 6.8% 39 16.2% 0 0.0% 0 0.0%
db_query0 N/A% 65 5.3% 41 17.0% 0 0.0% -200 -67.6%
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -37 -3.0% -25 -10.4% 16 33.3% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange0 N/A% 4 0.3% 0 0.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Statement::execute0 N/A% 1,239 101.7% 279 115.8% 56 116.7% -312 -105.4%
Drupal\Core\Database\Connection::prepareQuery0 N/A% 11 0.9% 12 5.0% -8 -16.7% -224 -75.7%
Drupal\Core\Database\Connection::expandArguments0 N/A% 3 0.2% 22 9.1% 0 0.0% 88 29.7%
Drupal\Core\Database\Connection::defaultOptions0 N/A% 0 0.0% 1 0.4% 0 0.0% 0 0.0%