Diff Report
Run #517d750163e11: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d7587ada9c: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::queryRun #517d750163e11Run #517d7587ada9cDiffDiff%
Number of Function Calls98 98 0 0.0%
Incl. Wall Time (microsec)33,966 33,142 -824 -2.4%
Incl. Wall Time (microsec) per call 347 338 -8 -2.4%
Excl. Wall Time (microsec)1,408 1,448 40 2.8%
Incl. CPU (microsecs)14,196 14,895 699 4.9%
Incl. CPU (microsecs) per call 145 152 7 4.9%
Excl. CPU (microsec)1,154 1,204 50 4.3%
Incl. MemUse (bytes)634,176 634,144 -32 -0.0%
Incl. MemUse (bytes) per call 6,471 6,471 -0 -0.0%
Excl. MemUse (bytes)-68,392 -68,416 -24 -0.0%
Incl. PeakMemUse (bytes)438,488 439,984 1,496 0.3%
Incl. PeakMemUse (bytes) per call 4,474 4,490 15 0.3%
Excl. PeakMemUse (bytes)32,048 32,512 464 1.4%

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% -824 -10.1% 699 7.2% -32 -0.3% 1,496 13.5%
Exclusive Metrics Diff for Current Function40 4.9% 50 7.2% -24 -75.0% 464 31.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% -399 -48.4% 104 14.9% 0 0.0% 0 0.0%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple0 N/A% -379 -46.0% 139 19.9% 0 0.0% -104 -7.0%
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 308 37.4% 407 58.2% -32 -100.0% 664 44.4%
db_query0 N/A% -229 -27.8% -7 -1.0% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 155 18.8% 18 2.6% -8 -25.0% 512 34.2%
Drupal\Core\Path\AliasManager::lookupPathSource0 N/A% -117 -14.2% -32 -4.6% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange0 N/A% -96 -11.7% 3 0.4% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::execute0 N/A% -45 -5.5% 84 12.0% 8 25.0% 424 28.3%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest0 N/A% -22 -2.7% -17 -2.4% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Statement::execute0 N/A% -945 -114.7% 573 82.0% -8 -25.0% -8 -0.5%
Drupal\Core\Database\Connection::expandArguments0 N/A% 65 7.9% 62 8.9% 0 0.0% 248 16.6%
Drupal\Core\Database\Connection::defaultOptions0 N/A% 26 3.2% 38 5.4% 0 0.0% 528 35.3%
Drupal\Core\Database\Connection::prepareQuery0 N/A% -10 -1.2% -24 -3.4% 0 0.0% 264 17.6%