Diff Report
Run #519fc26fe04d9: 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 #519fc26fe04d9Run #519fbf2154a5eDiffDiff%
Number of Function Calls19 19 0 0.0%
Incl. Wall Time (microsec)5,803 6,105 302 5.2%
Incl. Wall Time (microsec) per call 305 321 16 5.2%
Excl. Wall Time (microsec)493 508 15 3.0%
Incl. CPU (microsecs)12,000 4,001 -7,999 -66.7%
Incl. CPU (microsecs) per call 632 211 -421 -66.7%
Excl. CPU (microsec)4,000 0 -4,000 -100.0%
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 Function15 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%