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

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #519fbf2154a5eRun #519fc2983e6a9DiffDiff%
Number of Function Calls19 19 0 0.0%
Incl. Wall Time (microsec)6,105 6,073 -32 -0.5%
Incl. Wall Time (microsec) per call 321 320 -2 -0.5%
Excl. Wall Time (microsec)508 535 27 5.3%
Incl. CPU (microsecs)4,001 4,000 -1 -0.0%
Incl. CPU (microsecs) per call 211 211 -0 -0.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)131,084 130,692 -392 -0.3%
Incl. MemUse (bytes) per call 6,899 6,879 -21 -0.3%
Excl. MemUse (bytes)-43,144 -43,368 -224 -0.5%
Incl. PeakMemUse (bytes)271,116 278,160 7,044 2.6%
Incl. PeakMemUse (bytes) per call 14,269 14,640 371 2.6%
Excl. PeakMemUse (bytes)19,100 19,520 420 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 Function27 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%