Diff Report
Run #51ec243650361: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec227a9cea0: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #51ec243650361Run #51ec227a9cea0DiffDiff%
Number of Function Calls88 88 0 0.0%
Incl. Wall Time (microsec)46,577 45,398 -1,179 -2.5%
Incl. Wall Time (microsec) per call 529 516 -13 -2.5%
Excl. Wall Time (microsec)3,184 3,308 124 3.9%
Incl. CPU (microsecs)34,656 34,129 -527 -1.5%
Incl. CPU (microsecs) per call 394 388 -6 -1.5%
Excl. CPU (microsec)2,846 2,940 94 3.3%
Incl. MemUse (bytes)3,077,352 3,076,984 -368 -0.0%
Incl. MemUse (bytes) per call 34,970 34,966 -4 -0.0%
Excl. MemUse (bytes)40,400 40,368 -32 -0.1%
Incl. PeakMemUse (bytes)3,755,256 3,755,872 616 0.0%
Incl. PeakMemUse (bytes) per call 42,673 42,680 7 0.0%
Excl. PeakMemUse (bytes)273,064 273,552 488 0.2%

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% -1,179 -13.7% -527 -8.0% -368 -1.2% 616 1.9%
Exclusive Metrics Diff for Current Function124 10.5% 94 17.8% -32 -8.7% 488 79.2%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get0 N/A% -869 -73.7% -593 -112.5% -424 -115.2% 360 58.4%
Drupal\Core\Config\CachedStorage::readMultiple0 N/A% -526 -44.6% -109 -20.7% 112 30.4% 296 48.1%
field_attach_load0 N/A% 216 18.3% 175 33.2% -56 -15.2% -40 -6.5%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -1,219 -103.4% -827 -156.9% -16 -4.3% -488 -79.2%
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -52 -4.4% 225 42.7% -280 -76.1% 640 103.9%
Drupal\Core\Database\Connection::escapeTable0 N/A% -43 -3.6% -42 -8.0% -24 -6.5% -24 -3.9%
array_keys0 N/A% 8 0.7% 22 4.2% -16 -4.3% 0 0.0%
array_diff0 N/A% 3 0.3% 1 0.2% 0 0.0% 0 0.0%