Diff Report
Run #519fe7ae1f6cc: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fe8e1e5eca: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::queryRun #519fe7ae1f6ccRun #519fe8e1e5ecaDiffDiff%
Number of Function Calls126 126 0 0.0%
Incl. Wall Time (microsec)37,096 37,857 761 2.1%
Incl. Wall Time (microsec) per call 294 300 6 2.1%
Excl. Wall Time (microsec)2,417 2,400 -17 -0.7%
Incl. CPU (microsecs)17,961 18,207 246 1.4%
Incl. CPU (microsecs) per call 143 145 2 1.4%
Excl. CPU (microsec)2,012 2,028 16 0.8%
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)202,080 202,016 -64 -0.0%
Incl. PeakMemUse (bytes) per call 1,604 1,603 -1 -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% 761 277.7% 246 94.6% 0 0.0% -64 -100.0%
Exclusive Metrics Diff for Current Function-17 -2.2% 16 6.5% 0 N/A% 0 0.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 1,235 162.3% 200 81.3% 0 N/A% -64 -100.0%
db_query0 N/A% -178 -23.4% -26 -10.6% 0 N/A% 0 0.0%
Drupal\Core\Database\Driver\mysql\Insert::execute0 N/A% -95 -12.5% -5 -2.0% 0 N/A% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange0 N/A% -72 -9.5% -1 -0.4% 0 N/A% 0 0.0%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest0 N/A% -53 -7.0% 2 0.8% 0 N/A% 0 0.0%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple0 N/A% -38 -5.0% 31 12.6% 0 N/A% 0 0.0%
Drupal\Core\Database\Query\Select::execute0 N/A% -20 -2.6% 41 16.7% 0 N/A% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -18 -2.4% 0 0.0% 0 N/A% 0 0.0%
Drupal\Core\Path\AliasManager::lookupPathSource0 N/A% 0 0.0% 4 1.6% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Statement::execute0 N/A% 766 100.7% 248 100.8% 0 N/A% -64 -100.0%
Drupal\Core\Database\Connection::prepareQuery0 N/A% 26 3.4% 16 6.5% 0 N/A% 0 0.0%
Drupal\Core\Database\Connection::expandArguments0 N/A% -10 -1.3% -21 -8.5% 0 N/A% 0 0.0%
Drupal\Core\Database\Connection::defaultOptions0 N/A% -5 -0.7% -13 -5.3% 0 N/A% 0 0.0%
PDO::lastInsertId0 N/A% 1 0.1% 0 0.0% 0 N/A% 0 0.0%