Diff Report
Run #519c04ab45451: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519c03b86b1ec: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #519c04ab45451Run #519c03b86b1ecDiffDiff%
Number of Function Calls88 87 -1 -1.1%
Incl. Wall Time (microsec)91,756 91,374 -382 -0.4%
Incl. Wall Time (microsec) per call 1,043 1,050 8 0.7%
Excl. Wall Time (microsec)4,809 4,781 -28 -0.6%
Incl. CPU (microsecs)54,343 53,416 -927 -1.7%
Incl. CPU (microsecs) per call 618 614 -4 -0.6%
Excl. CPU (microsec)4,402 4,367 -35 -0.8%
Incl. MemUse (bytes)1,425,236 1,423,928 -1,308 -0.1%
Incl. MemUse (bytes) per call 16,196 16,367 171 1.1%
Excl. MemUse (bytes)246,212 246,920 708 0.3%
Incl. PeakMemUse (bytes)1,825,404 1,825,652 248 0.0%
Incl. PeakMemUse (bytes) per call 20,743 20,985 241 1.2%
Excl. PeakMemUse (bytes)210,616 210,656 40 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::getMultiple-1 -16.7% -382 -61.2% -927 -60.6% -1,308 -10.4% 248 1.5%
Exclusive Metrics Diff for Current Function-28 -7.3% -35 -3.8% 708 54.1% 40 16.1%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get-1 -100.0% -414 -108.4% -995 -107.3% -1,308 -100.0% 160 64.5%
field_attach_load0 0.0% 32 8.4% 68 7.3% 0 0.0% 88 35.5%
Child functions
Drupal\Core\Cache\DatabaseBackend::prepareItem-1 -20.0% -611 -159.9% -723 -78.0% -172 -13.1% 48 19.4%
Drupal\Core\Database\Connection::query-1 -20.0% 275 72.0% -153 -16.5% -1,492 -114.1% 160 64.5%
Drupal\Core\Database\Connection::escapeTable-1 -20.0% -17 -4.5% -16 -1.7% -48 -3.7% 0 0.0%
array_diff-1 -20.0% -5 -1.3% -2 -0.2% -88 -6.7% 0 0.0%
array_keys-1 -20.0% 4 1.0% 2 0.2% -216 -16.5% 0 0.0%