Diff Report
Run #51978d4d92dd9: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51978cc86c728: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::queryRun #51978d4d92dd9Run #51978cc86c728DiffDiff%
Number of Function Calls134 133 -1 -0.7%
Incl. Wall Time (microsec)49,635 48,286 -1,349 -2.7%
Incl. Wall Time (microsec) per call 370 363 -7 -2.0%
Excl. Wall Time (microsec)2,055 1,934 -121 -5.9%
Incl. CPU (microsecs)19,603 18,539 -1,064 -5.4%
Incl. CPU (microsecs) per call 146 139 -7 -4.7%
Excl. CPU (microsec)1,682 1,627 -55 -3.3%
Incl. MemUse (bytes)882,064 875,904 -6,160 -0.7%
Incl. MemUse (bytes) per call 6,583 6,586 3 0.0%
Excl. MemUse (bytes)-107,648 -106,800 848 0.8%
Incl. PeakMemUse (bytes)395,760 389,496 -6,264 -1.6%
Incl. PeakMemUse (bytes) per call 2,953 2,929 -25 -0.8%
Excl. PeakMemUse (bytes)27,144 26,640 -504 -1.9%

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::query-1 -20.0% -1,349 -541.8% -1,064 -879.3% -6,160 -28.4% -6,264 -26.8%
Exclusive Metrics Diff for Current Function-121 -9.0% -55 -5.2% 848 13.8% -504 -8.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::getMultiple-1 -100.0% -880 -65.2% -913 -85.8% -6,168 -100.1% -6,192 -98.9%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 0.0% -226 -16.8% -82 -7.7% 0 0.0% 56 0.9%
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 0.0% -194 -14.4% -1 -0.1% -8 -0.1% 56 0.9%
Drupal\Core\Database\Driver\mysql\Insert::execute0 0.0% -127 -9.4% -25 -2.3% 0 0.0% -64 -1.0%
Drupal\Core\Database\Query\Select::execute0 0.0% 88 6.5% 15 1.4% 16 0.3% -72 -1.1%
db_query0 0.0% 87 6.4% -14 -1.3% 0 0.0% 0 0.0%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple0 0.0% -63 -4.7% -5 -0.5% 0 0.0% -48 -0.8%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest0 0.0% -21 -1.6% -18 -1.7% 0 0.0% 0 0.0%
Drupal\Core\Path\AliasManager::lookupPathSource0 0.0% -12 -0.9% -14 -1.3% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange0 0.0% -1 -0.1% -7 -0.7% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Statement::execute-1 -25.0% -1,319 -97.8% -1,070 -100.6% -5,216 -84.7% -3,136 -50.1%
Drupal\Core\Database\Connection::prepareQuery-1 -25.0% 52 3.9% 53 5.0% -944 -15.3% -544 -8.7%
Drupal\Core\Database\Connection::expandArguments-1 -25.0% 28 2.1% 12 1.1% 0 0.0% -1,320 -21.1%
Drupal\Core\Database\Connection::defaultOptions-1 -25.0% 13 1.0% 1 0.1% -848 -13.8% -760 -12.1%
PDO::lastInsertId0 0.0% -2 -0.1% -5 -0.5% 0 0.0% 0 0.0%