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\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #519fc2983e6a9Run #519fbf2154a5eDiffDiff%
Number of Function Calls19 19 0 0.0%
Incl. Wall Time (microsec)6,073 6,105 32 0.5%
Incl. Wall Time (microsec) per call 320 321 2 0.5%
Excl. Wall Time (microsec)535 508 -27 -5.0%
Incl. CPU (microsecs)4,000 4,001 1 0.0%
Incl. CPU (microsecs) per call 211 211 0 0.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)130,692 131,084 392 0.3%
Incl. MemUse (bytes) per call 6,879 6,899 21 0.3%
Excl. MemUse (bytes)-43,368 -43,144 224 0.5%
Incl. PeakMemUse (bytes)278,160 271,116 -7,044 -2.5%
Incl. PeakMemUse (bytes) per call 14,640 14,269 -371 -2.5%
Excl. PeakMemUse (bytes)19,520 19,100 -420 -2.2%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::getMultiple [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\Cache\DatabaseBackend::getMultiple0 N/A% 32 3.2% 1 50.0% 392 0.2% -7,044 -3.2%
Exclusive Metrics Diff for Current Function-27 -84.4% 0 0.0% 224 57.1% -420 -6.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::get0 N/A% 32 100.0% 1 100.0% 392 100.0% -7,044 -100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 47 146.9% -4,000 -400000.0% 72 18.4% -4,180 -59.3%
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 18 56.2% 4,001 400100.0% 96 24.5% -2,260 -32.1%
array_diff0 N/A% -7 -21.9% 0 0.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::escapeTable0 N/A% 1 3.1% 0 0.0% 0 0.0% -184 -2.6%
array_keys0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%