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

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #517c1bb406b02Run #517c1c27a12c9DiffDiff%
Number of Function Calls59 58 -1 -1.7%
Incl. Wall Time (microsec)46,628 45,872 -756 -1.6%
Incl. Wall Time (microsec) per call 790 791 1 0.1%
Excl. Wall Time (microsec)1,865 2,012 147 7.9%
Incl. CPU (microsecs)30,059 30,150 91 0.3%
Incl. CPU (microsecs) per call 509 520 10 2.0%
Excl. CPU (microsec)1,665 1,775 110 6.6%
Incl. MemUse (bytes)1,774,648 1,771,800 -2,848 -0.2%
Incl. MemUse (bytes) per call 30,079 30,548 469 1.6%
Excl. MemUse (bytes)-140,616 -135,568 5,048 3.6%
Incl. PeakMemUse (bytes)2,342,624 2,345,080 2,456 0.1%
Incl. PeakMemUse (bytes) per call 39,705 40,432 727 1.8%
Excl. PeakMemUse (bytes)155,416 155,280 -136 -0.1%

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% -756 -0.3% 91 0.1% -2,848 -0.6% 2,456 0.4%
Exclusive Metrics Diff for Current Function147 19.4% 110 120.9% 5,048 177.2% -136 -5.5%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get-1 -100.0% -813 -107.5% 113 124.2% -2,848 -100.0% 1,176 47.9%
field_attach_load0 0.0% 57 7.5% -22 -24.2% 0 0.0% 1,280 52.1%
Child functions
Drupal\Core\Database\Connection::query-1 -20.0% -827 -109.4% 12 13.2% -6,360 -223.3% 2,200 89.6%
Drupal\Core\Cache\DatabaseBackend::prepareItem-1 -20.0% -65 -8.6% -38 -41.8% -920 -32.3% 472 19.2%
Drupal\Core\Database\Connection::escapeTable-1 -20.0% -10 -1.3% -2 -2.2% -112 -3.9% -80 -3.3%
array_diff-1 -20.0% -5 -0.7% -4 -4.4% -168 -5.9% 0 0.0%
array_keys-1 -20.0% 4 0.5% 13 14.3% -336 -11.8% 0 0.0%