Diff Report
Run #519fc2983e6a9: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fbf2154a5e: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::query

Drupal\Core\Database\Connection::queryRun #519fc2983e6a9Run #519fbf2154a5eDiffDiff%
Number of Function Calls23 23 0 0.0%
Incl. Wall Time (microsec)5,365 5,397 32 0.6%
Incl. Wall Time (microsec) per call 233 235 1 0.6%
Excl. Wall Time (microsec)309 301 -8 -2.6%
Incl. CPU (microsecs)4,000 0 -4,000 -100.0%
Incl. CPU (microsecs) per call 174 0 -174 -100.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)108,528 108,600 72 0.1%
Incl. MemUse (bytes) per call 4,719 4,722 3 0.1%
Excl. MemUse (bytes)-6,524 -6,520 4 0.1%
Incl. PeakMemUse (bytes)108,484 104,304 -4,180 -3.9%
Incl. PeakMemUse (bytes) per call 4,717 4,535 -182 -3.9%
Excl. PeakMemUse (bytes)7,768 7,504 -264 -3.4%

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% 32 3.2% -4,000 -200000.0% 72 0.0% -4,180 -1.9%
Exclusive Metrics Diff for Current Function-8 -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%