Diff Report
Run #519fe8bb569af: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fe7ae1f6cc: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::queryRun #519fe8bb569afRun #519fe7ae1f6ccDiffDiff%
Number of Function Calls126 126 0 0.0%
Incl. Wall Time (microsec)38,861 37,096 -1,765 -4.5%
Incl. Wall Time (microsec) per call 308 294 -14 -4.5%
Excl. Wall Time (microsec)2,433 2,417 -16 -0.7%
Incl. CPU (microsecs)18,026 17,961 -65 -0.4%
Incl. CPU (microsecs) per call 143 143 -1 -0.4%
Excl. CPU (microsec)2,085 2,012 -73 -3.5%
Incl. MemUse (bytes)315,088 315,088 0 0.0%
Incl. MemUse (bytes) per call 2,501 2,501 0 0.0%
Excl. MemUse (bytes)-93,648 -93,648 0 0.0%
Incl. PeakMemUse (bytes)202,080 202,080 0 0.0%
Incl. PeakMemUse (bytes) per call 1,604 1,604 0 0.0%
Excl. PeakMemUse (bytes)30,576 30,576 0 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% -1,765 -143.5% -65 -12.5% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-16 -0.9% -73 -112.3% 0 N/A% 0 N/A%
Parent functions
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -1,148 -65.0% 52 80.0% 0 N/A% 0 N/A%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple0 N/A% -819 -46.4% -168 -258.5% 0 N/A% 0 N/A%
db_query0 N/A% 231 13.1% 80 123.1% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -139 -7.9% -20 -30.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Query\Select::execute0 N/A% -106 -6.0% -68 -104.6% 0 N/A% 0 N/A%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest0 N/A% 104 5.9% 36 55.4% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Insert::execute0 N/A% 58 3.3% 18 27.7% 0 N/A% 0 N/A%
Drupal\Core\Database\Driver\mysql\Connection::queryRange0 N/A% 51 2.9% -3 -4.6% 0 N/A% 0 N/A%
Drupal\Core\Path\AliasManager::lookupPathSource0 N/A% 3 0.2% 8 12.3% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Statement::execute0 N/A% -1,645 -93.2% 118 181.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::prepareQuery0 N/A% -49 -2.8% -38 -58.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::expandArguments0 N/A% -45 -2.5% -66 -101.5% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::defaultOptions0 N/A% -10 -0.6% -7 -10.8% 0 N/A% 0 N/A%
PDO::lastInsertId0 N/A% 0 0.0% 1 1.5% 0 N/A% 0 N/A%