Diff Report
Run #517c1bb406b02: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1c27a12c9: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple@1

Drupal\Core\Cache\DatabaseBackend::getMultiple@1Run #517c1bb406b02Run #517c1c27a12c9DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)2,847 2,949 102 3.6%
Incl. Wall Time (microsec) per call 407 421 15 3.6%
Excl. Wall Time (microsec)225 212 -13 -5.8%
Incl. CPU (microsecs)1,644 1,575 -69 -4.2%
Incl. CPU (microsecs) per call 235 225 -10 -4.2%
Excl. CPU (microsec)198 189 -9 -4.5%
Incl. MemUse (bytes)135,088 135,088 0 0.0%
Incl. MemUse (bytes) per call 19,298 19,298 0 0.0%
Excl. MemUse (bytes)-21,200 -21,176 24 0.1%
Incl. PeakMemUse (bytes)158,880 158,736 -144 -0.1%
Incl. PeakMemUse (bytes) per call 22,697 22,677 -21 -0.1%
Excl. PeakMemUse (bytes)14,536 14,584 48 0.3%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::getMultiple@1 [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@10 N/A% 102 0.0% -69 -0.1% 0 0.0% -144 -0.0%
Exclusive Metrics Diff for Current Function-13 -12.7% -9 -13.0% 24 N/A% 48 33.3%
Parent function
Drupal\Core\Cache\DatabaseBackend::get@10 N/A% 102 100.0% -69 -100.0% 0 N/A% -144 -100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 99 97.1% -72 -104.3% -24 N/A% -232 -161.1%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 16 15.7% 15 21.7% 0 N/A% 40 27.8%
Drupal\Core\Database\Connection::escapeTable0 N/A% -3 -2.9% -5 -7.2% 0 N/A% 0 0.0%
array_diff0 N/A% 2 2.0% 1 1.4% 0 N/A% 0 0.0%
array_keys0 N/A% 1 1.0% 1 1.4% 0 N/A% 0 0.0%