Diff Report
Run #519fbf2154a5e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fc26fe04d9: 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 #519fc26fe04d9DiffDiff%
Number of Function Calls19 19 0 0.0%
Incl. Wall Time (microsec)6,105 5,803 -302 -4.9%
Incl. Wall Time (microsec) per call 321 305 -16 -4.9%
Excl. Wall Time (microsec)508 493 -15 -3.0%
Incl. CPU (microsecs)4,001 12,000 7,999 199.9%
Incl. CPU (microsecs) per call 211 632 421 199.9%
Excl. CPU (microsec)0 4,000 4,000 N/A%
Incl. MemUse (bytes)131,084 131,084 0 0.0%
Incl. MemUse (bytes) per call 6,899 6,899 0 0.0%
Excl. MemUse (bytes)-43,144 -43,144 0 0.0%
Incl. PeakMemUse (bytes)271,116 271,116 0 0.0%
Incl. PeakMemUse (bytes) per call 14,269 14,269 0 0.0%
Excl. PeakMemUse (bytes)19,100 19,100 0 0.0%

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% -302 -197.4% 7,999 799900.0% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-15 -5.0% 4,000 50.0% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::get0 N/A% -302 -100.0% 7,999 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -249 -82.5% 4,000 50.0% 0 N/A% 0 N/A%
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -35 -11.6% -1 -0.0% 0 N/A% 0 N/A%
array_diff0 N/A% -2 -0.7% 0 0.0% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::escapeTable0 N/A% -1 -0.3% 0 0.0% 0 N/A% 0 N/A%
array_keys0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%