Diff Report
Run #517c75d3de7c7: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c76da9b0d3: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::queryRun #517c75d3de7c7Run #517c76da9b0d3DiffDiff%
Number of Function Calls251 98 -153 -61.0%
Incl. Wall Time (microsec)221,043 32,624 -188,419 -85.2%
Incl. Wall Time (microsec) per call 881 333 -548 -62.2%
Excl. Wall Time (microsec)5,527 1,374 -4,153 -75.1%
Incl. CPU (microsecs)36,252 13,832 -22,420 -61.8%
Incl. CPU (microsecs) per call 144 141 -3 -2.3%
Excl. CPU (microsec)4,643 1,086 -3,557 -76.6%
Incl. MemUse (bytes)657,928 634,136 -23,792 -3.6%
Incl. MemUse (bytes) per call 2,621 6,471 3,850 146.9%
Excl. MemUse (bytes)-1,034,416 -68,672 965,744 93.4%
Incl. PeakMemUse (bytes)603,688 440,152 -163,536 -27.1%
Incl. PeakMemUse (bytes) per call 2,405 4,491 2,086 86.7%
Excl. PeakMemUse (bytes)33,568 31,800 -1,768 -5.3%

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-153 -16.7% -188,419 -71.0% -22,420 -22.6% -23,792 -9.8% -163,536 -46.3%
Exclusive Metrics Diff for Current Function-4,153 -2.2% -3,557 -15.9% 965,744 4059.1% -1,768 -1.1%
Parent functions
Drupal\Core\Database\Driver\mysql\Insert::execute-151 -98.7% -186,070 -98.8% -21,771 -97.1% -14,000 -58.8% -162,480 -99.4%
Drupal\Core\Cache\DatabaseBackend::getMultiple-1 -0.7% -1,541 -0.8% -236 -1.1% -6,232 -26.2% 1,104 0.7%
Drupal\Core\Database\Query\Select::execute-1 -0.7% -646 -0.3% -250 -1.1% -3,568 -15.0% -2,600 -1.6%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 0.0% -325 -0.2% -40 -0.2% 8 0.0% 440 0.3%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple0 0.0% 163 0.1% -9 -0.0% 0 0.0% 0 0.0%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest0 0.0% -128 -0.1% -54 -0.2% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 0.0% 111 0.1% -60 -0.3% 0 0.0% 0 0.0%
Drupal\Core\Path\AliasManager::lookupPathSource0 0.0% 107 0.1% 23 0.1% 0 0.0% 0 0.0%
db_query0 0.0% -98 -0.1% -30 -0.1% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange0 0.0% 8 0.0% 7 0.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Statement::execute-153 -20.1% -179,426 -95.2% -13,382 -59.7% -648,576 -2726.0% -156,576 -95.7%
Drupal\Core\Database\Connection::prepareQuery-153 -20.1% -2,923 -1.6% -3,073 -13.7% -219,040 -920.6% -2,736 -1.7%
Drupal\Core\Database\Connection::expandArguments-153 -20.1% -1,264 -0.7% -1,371 -6.1% -8 -0.0% -2,984 -1.8%
PDO::lastInsertId-151 -19.8% -505 -0.3% -714 -3.2% -5,632 -23.7% 0 0.0%
Drupal\Core\Database\Connection::defaultOptions-153 -20.1% -148 -0.1% -323 -1.4% -116,280 -488.7% 528 0.3%