Diff Report
Run #519d44ffb3845: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d45fd795a4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #519d44ffb3845Run #519d45fd795a4DiffDiff%
Number of Function Calls98 98 0 0.0%
Incl. Wall Time (microsec)98,349 97,755 -594 -0.6%
Incl. Wall Time (microsec) per call 1,004 998 -6 -0.6%
Excl. Wall Time (microsec)5,178 4,886 -292 -5.6%
Incl. CPU (microsecs)58,205 58,409 204 0.4%
Incl. CPU (microsecs) per call 594 596 2 0.4%
Excl. CPU (microsec)4,750 4,442 -308 -6.5%
Incl. MemUse (bytes)1,572,324 1,572,332 8 0.0%
Incl. MemUse (bytes) per call 16,044 16,044 0 0.0%
Excl. MemUse (bytes)239,956 239,940 -16 -0.0%
Incl. PeakMemUse (bytes)1,868,512 1,868,540 28 0.0%
Incl. PeakMemUse (bytes) per call 19,066 19,067 0 0.0%
Excl. PeakMemUse (bytes)225,084 225,076 -8 -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% -594 -1.1% 204 0.4% 8 0.0% 28 0.0%
Exclusive Metrics Diff for Current Function-292 -49.2% -308 -151.0% -16 -200.0% -8 -28.6%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get0 N/A% -612 -103.0% 252 123.5% 8 100.0% 28 100.0%
field_attach_load0 N/A% 18 3.0% -48 -23.5% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -698 -117.5% -55 -27.0% 4 50.0% 24 85.7%
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 392 66.0% 561 275.0% 20 250.0% 12 42.9%
Drupal\Core\Database\Connection::escapeTable0 N/A% 8 1.3% 18 8.8% 0 0.0% 0 0.0%
array_diff0 N/A% -4 -0.7% -2 -1.0% 0 0.0% 0 0.0%
array_keys0 N/A% 0 0.0% -10 -4.9% 0 0.0% 0 0.0%