Diff Report
Run #519be9a13e594: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519bea9000214: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::queryRun #519be9a13e594Run #519bea9000214DiffDiff%
Number of Function Calls149 150 1 0.7%
Incl. Wall Time (microsec)81,868 83,330 1,462 1.8%
Incl. Wall Time (microsec) per call 549 556 6 1.1%
Excl. Wall Time (microsec)4,222 4,264 42 1.0%
Incl. CPU (microsecs)29,575 29,763 188 0.6%
Incl. CPU (microsecs) per call 198 198 -0 -0.0%
Excl. CPU (microsec)3,722 3,822 100 2.7%
Incl. MemUse (bytes)242,256 243,748 1,492 0.6%
Incl. MemUse (bytes) per call 1,626 1,625 -1 -0.1%
Excl. MemUse (bytes)-65,292 -65,752 -460 -0.7%
Incl. PeakMemUse (bytes)193,784 195,400 1,616 0.8%
Incl. PeakMemUse (bytes) per call 1,301 1,303 2 0.2%
Excl. PeakMemUse (bytes)28,476 28,540 64 0.2%

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::query1 20.0% 1,462 38.6% 188 8.1% 1,492 5.8% 1,616 6.3%
Exclusive Metrics Diff for Current Function42 2.9% 100 53.2% -460 -30.8% 64 4.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::getMultiple1 100.0% 1,011 69.2% 39 20.7% 1,492 100.0% 1,608 99.5%
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 0.0% 301 20.6% 29 15.4% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 0.0% 144 9.8% -36 -19.1% 0 0.0% 0 0.0%
Drupal\Core\Path\AliasManager::lookupPathSource0 0.0% 52 3.6% 2 1.1% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::execute0 0.0% -37 -2.5% 52 27.7% 0 0.0% 0 0.0%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple0 0.0% 37 2.5% 114 60.6% 0 0.0% 8 0.5%
db_query0 0.0% -27 -1.8% -11 -5.9% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange0 0.0% -14 -1.0% -1 -0.5% 0 0.0% 0 0.0%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest0 0.0% -5 -0.3% 0 0.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Statement::execute1 25.0% 1,449 99.1% 145 77.1% 680 45.6% 352 21.8%
Drupal\Core\Database\Connection::expandArguments1 25.0% -15 -1.0% -35 -18.6% 0 0.0% 832 51.5%
Drupal\Core\Database\Connection::prepareQuery1 25.0% -13 -0.9% -9 -4.8% 812 54.4% 128 7.9%
Drupal\Core\Database\Connection::defaultOptions1 25.0% -1 -0.1% -13 -6.9% 460 30.8% 240 14.9%