Diff Report
Run #519ffa6332b29: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ffa0e6cdec: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::queryRun #519ffa6332b29Run #519ffa0e6cdecDiffDiff%
Number of Function Calls109 109 0 0.0%
Incl. Wall Time (microsec)14,895 14,823 -72 -0.5%
Incl. Wall Time (microsec) per call 137 136 -1 -0.5%
Excl. Wall Time (microsec)1,369 1,365 -4 -0.3%
Incl. CPU (microsecs)4,000 4,000 0 0.0%
Incl. CPU (microsecs) per call 37 37 0 0.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)672,320 672,384 64 0.0%
Incl. MemUse (bytes) per call 6,168 6,169 1 0.0%
Excl. MemUse (bytes)-77,072 -77,072 0 0.0%
Incl. PeakMemUse (bytes)484,712 483,784 -928 -0.2%
Incl. PeakMemUse (bytes) per call 4,447 4,438 -9 -0.2%
Excl. PeakMemUse (bytes)35,920 35,856 -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::query0 N/A% -72 -3.5% 0 0.0% 64 0.1% -928 -1.4%
Exclusive Metrics Diff for Current Function-4 -5.6% 0 N/A% 0 0.0% -64 -6.9%
Parent functions
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -224 -311.1% 4,000 N/A% 48 75.0% -520 -56.0%
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 92 127.8% 0 N/A% 8 12.5% -136 -14.7%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 61 84.7% -4,000 N/A% 8 12.5% 8 0.9%
db_query0 N/A% 35 48.6% 0 N/A% 0 0.0% 0 0.0%
Drupal\Core\Path\AliasManager::lookupPathSource0 N/A% -23 -31.9% 0 N/A% 0 0.0% 0 0.0%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple0 N/A% -22 -30.6% 0 N/A% 0 0.0% 136 14.7%
Drupal\Core\Database\Query\Select::execute0 N/A% 10 13.9% 0 N/A% 0 0.0% 0 0.0%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest0 N/A% -1 -1.4% 0 N/A% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange0 N/A% 0 0.0% 0 N/A% 0 0.0% -416 -44.8%
Child functions
Drupal\Core\Database\Connection::expandArguments0 N/A% -62 -86.1% 4,000 N/A% 0 0.0% -296 -31.9%
Drupal\Core\Database\Statement::execute0 N/A% -29 -40.3% -4,000 N/A% 64 100.0% -776 -83.6%
Drupal\Core\Database\Connection::prepareQuery0 N/A% 17 23.6% 0 N/A% 0 0.0% 208 22.4%
Drupal\Core\Database\Connection::defaultOptions0 N/A% 6 8.3% 0 N/A% 0 0.0% 0 0.0%