Diff Report
Run #517c75d3de7c7: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c76da9b0d3: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #517c75d3de7c7Run #517c76da9b0d3DiffDiff%
Number of Function Calls59 58 -1 -1.7%
Incl. Wall Time (microsec)46,735 44,920 -1,815 -3.9%
Incl. Wall Time (microsec) per call 792 774 -18 -2.2%
Excl. Wall Time (microsec)1,986 1,911 -75 -3.8%
Incl. CPU (microsecs)30,261 29,691 -570 -1.9%
Incl. CPU (microsecs) per call 513 512 -1 -0.2%
Excl. CPU (microsec)1,777 1,699 -78 -4.4%
Incl. MemUse (bytes)1,774,592 1,773,664 -928 -0.1%
Incl. MemUse (bytes) per call 30,078 30,580 503 1.7%
Excl. MemUse (bytes)-140,632 -135,384 5,248 3.7%
Incl. PeakMemUse (bytes)2,344,056 2,349,360 5,304 0.2%
Incl. PeakMemUse (bytes) per call 39,730 40,506 776 2.0%
Excl. PeakMemUse (bytes)154,928 154,904 -24 -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% -1,815 -0.7% -570 -0.6% -928 -0.4% 5,304 1.5%
Exclusive Metrics Diff for Current Function-75 -4.1% -78 -13.7% 5,248 565.5% -24 -0.5%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get-1 -100.0% -1,855 -102.2% -534 -93.7% -928 -100.0% 5,304 100.0%
field_attach_load0 0.0% 40 2.2% -36 -6.3% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query-1 -20.0% -1,541 -84.9% -236 -41.4% -6,232 -671.6% 1,104 20.8%
Drupal\Core\Cache\DatabaseBackend::prepareItem-1 -20.0% -200 -11.0% -266 -46.7% 656 70.7% 4,224 79.6%
Drupal\Core\Database\Connection::escapeTable-1 -20.0% -7 -0.4% -7 -1.2% -96 -10.3% 0 0.0%
array_keys-1 -20.0% 5 0.3% 13 2.3% -336 -36.2% 0 0.0%
array_diff-1 -20.0% 3 0.2% 4 0.7% -168 -18.1% 0 0.0%