Diff Report
Run #517c1bb406b02: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1c27a12c9: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::queryRun #517c1bb406b02Run #517c1c27a12c9DiffDiff%
Number of Function Calls251 98 -153 -61.0%
Incl. Wall Time (microsec)224,064 33,469 -190,595 -85.1%
Incl. Wall Time (microsec) per call 893 342 -551 -61.7%
Excl. Wall Time (microsec)5,672 1,459 -4,213 -74.3%
Incl. CPU (microsecs)37,669 14,368 -23,301 -61.9%
Incl. CPU (microsecs) per call 150 147 -3 -2.3%
Excl. CPU (microsec)4,811 1,197 -3,614 -75.1%
Incl. MemUse (bytes)657,552 633,656 -23,896 -3.6%
Incl. MemUse (bytes) per call 2,620 6,466 3,846 146.8%
Excl. MemUse (bytes)-1,034,384 -68,680 965,704 93.4%
Incl. PeakMemUse (bytes)602,848 442,200 -160,648 -26.6%
Incl. PeakMemUse (bytes) per call 2,402 4,512 2,110 87.9%
Excl. PeakMemUse (bytes)33,000 31,856 -1,144 -3.5%

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% -190,595 -67.0% -23,301 -20.0% -23,896 -5.4% -160,648 -28.2%
Exclusive Metrics Diff for Current Function-4,213 -2.2% -3,614 -15.5% 965,704 4041.3% -1,144 -0.7%
Parent functions
Drupal\Core\Database\Driver\mysql\Insert::execute-151 -98.7% -189,176 -99.3% -23,022 -98.8% -14,000 -58.6% -162,008 -100.8%
Drupal\Core\Cache\DatabaseBackend::getMultiple-1 -0.7% -827 -0.4% 12 0.1% -6,360 -26.6% 2,200 1.4%
Drupal\Core\Database\Query\Select::execute-1 -0.7% -441 -0.2% -247 -1.1% -3,528 -14.8% -2,040 -1.3%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 0.0% -334 -0.2% -7 -0.0% 24 0.1% 968 0.6%
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 0.0% 99 0.1% -72 -0.3% -24 -0.1% -232 -0.1%
db_query0 0.0% 69 0.0% 39 0.2% -8 -0.0% 272 0.2%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple0 0.0% -46 -0.0% 17 0.1% 0 0.0% 64 0.0%
Drupal\Core\Path\AliasManager::lookupPathSource0 0.0% 37 0.0% -8 -0.0% 0 0.0% 0 0.0%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest0 0.0% 19 0.0% -8 -0.0% 0 0.0% 128 0.1%
Drupal\Core\Database\Driver\mysql\Connection::queryRange0 0.0% 5 0.0% -5 -0.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Statement::execute-153 -20.1% -181,436 -95.2% -14,123 -60.6% -648,672 -2714.6% -156,032 -97.1%
Drupal\Core\Database\Connection::prepareQuery-153 -20.1% -3,006 -1.6% -3,150 -13.5% -219,040 -916.6% -2,576 -1.6%
Drupal\Core\Database\Connection::expandArguments-153 -20.1% -1,243 -0.7% -1,356 -5.8% 8 0.0% -1,792 -1.1%
PDO::lastInsertId-151 -19.8% -544 -0.3% -756 -3.2% -5,632 -23.6% 0 0.0%
Drupal\Core\Database\Connection::defaultOptions-153 -20.1% -153 -0.1% -302 -1.3% -116,264 -486.5% 896 0.6%