Diff Report
Run #519a4774889dd: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #519a496084867: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::queryRun #519a4774889ddRun #519a496084867DiffDiff%
Number of Function Calls164 164 0 0.0%
Incl. Wall Time (microsec)443,788 867,831 424,043 95.6%
Incl. Wall Time (microsec) per call 2,706 5,292 2,586 95.6%
Excl. Wall Time (microsec)15,543 24,859 9,316 59.9%
Incl. CPU (microsecs)36,002 44,005 8,003 22.2%
Incl. CPU (microsecs) per call 220 268 49 22.2%
Excl. CPU (microsec)12,000 4,001 -7,999 -66.7%
Incl. MemUse (bytes)580,160 580,072 -88 -0.0%
Incl. MemUse (bytes) per call 3,538 3,537 -1 -0.0%
Excl. MemUse (bytes)-262,984 -263,008 -24 -0.0%
Incl. PeakMemUse (bytes)551,768 558,632 6,864 1.2%
Incl. PeakMemUse (bytes) per call 3,364 3,406 42 1.2%
Excl. PeakMemUse (bytes)55,872 57,216 1,344 2.4%

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% 424,043 17.1% 8,003 200.1% -88 -0.6% 6,864 47.3%
Exclusive Metrics Diff for Current Function9,316 2.2% -7,999 -100.0% -24 -27.3% 1,344 19.6%
Parent functions
Drupal\Core\Database\Driver\mysql\Insert::execute0 N/A% 248,573 58.6% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Delete::execute0 N/A% 78,498 18.5% 0 0.0% 0 0.0% 4,080 59.4%
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 60,422 14.2% -3,997 -49.9% -72 -81.8% 2,832 41.3%
Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple0 N/A% 10,233 2.4% 4,000 50.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::execute0 N/A% 8,750 2.1% 4,001 50.0% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 6,184 1.5% 0 0.0% 0 0.0% 48 0.7%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% 6,054 1.4% -4,001 -50.0% 0 0.0% -40 -0.6%
db_query0 N/A% 2,040 0.5% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Driver\mysql\Connection::queryRange0 N/A% 1,652 0.4% 8,000 100.0% -16 -18.2% -16 -0.2%
Drupal\Core\Routing\RouteProvider::getRouteCollectionForRequest0 N/A% 1,276 0.3% 0 0.0% 0 0.0% -40 -0.6%
Drupal\Core\Path\AliasManager::lookupPathSource0 N/A% 361 0.1% 0 0.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Statement::execute0 N/A% 374,018 88.2% 8,000 100.0% -88 -100.0% 1,120 16.3%
Drupal\Core\Database\Connection::prepareQuery0 N/A% 19,111 4.5% 4,001 50.0% 0 0.0% 1,232 17.9%
Drupal\Core\Database\Connection::expandArguments0 N/A% 18,310 4.3% 8,002 100.0% 32 36.4% 2,040 29.7%
Drupal\Core\Database\Connection::defaultOptions0 N/A% 3,167 0.7% -4,001 -50.0% -8 -9.1% 240 3.5%
PDO::lastInsertId0 N/A% 70 0.0% 0 0.0% 0 0.0% 0 0.0%
PDOStatement::rowCount0 N/A% 51 0.0% 0 0.0% 0 0.0% 888 12.9%