Diff Report
Run #519fbf2154a5e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fc2983e6a9: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::queryRun #519fbf2154a5eRun #519fc2983e6a9DiffDiff%
Number of Function Calls23 23 0 0.0%
Incl. Wall Time (microsec)5,397 5,365 -32 -0.6%
Incl. Wall Time (microsec) per call 235 233 -1 -0.6%
Excl. Wall Time (microsec)301 309 8 2.7%
Incl. CPU (microsecs)0 4,000 4,000 N/A%
Incl. CPU (microsecs) per call 0 174 174 N/A%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)108,600 108,528 -72 -0.1%
Incl. MemUse (bytes) per call 4,722 4,719 -3 -0.1%
Excl. MemUse (bytes)-6,520 -6,524 -4 -0.1%
Incl. PeakMemUse (bytes)104,304 108,484 4,180 4.0%
Incl. PeakMemUse (bytes) per call 4,535 4,717 182 4.0%
Excl. PeakMemUse (bytes)7,504 7,768 264 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::query0 N/A% -32 -3.2% 4,000 200000.0% -72 -0.0% 4,180 1.9%
Exclusive Metrics Diff for Current Function8 25.0% 0 0.0% -4 -5.6% 264 6.3%
Parent functions
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -47 -146.9% 4,000 100.0% -72 -100.0% 4,180 100.0%
db_query0 N/A% 40 125.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -33 -103.1% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Path\AliasManager::lookupPathSource0 N/A% 9 28.1% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Query\Select::execute0 N/A% -1 -3.1% 0 0.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Statement::execute0 N/A% -45 -140.6% 0 0.0% -72 -100.0% 2,348 56.2%
Drupal\Core\Database\Connection::expandArguments0 N/A% 7 21.9% 4,000 100.0% 0 0.0% 1,052 25.2%
Drupal\Core\Database\Connection::defaultOptions0 N/A% -1 -3.1% 0 0.0% 4 5.6% 228 5.5%
Drupal\Core\Database\Connection::prepareQuery0 N/A% -1 -3.1% 0 0.0% 0 0.0% 288 6.9%