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

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #517c1c27a12c9Run #517c1bb406b02DiffDiff%
Number of Function Calls58 59 1 1.7%
Incl. Wall Time (microsec)45,872 46,628 756 1.6%
Incl. Wall Time (microsec) per call 791 790 -1 -0.1%
Excl. Wall Time (microsec)2,012 1,865 -147 -7.3%
Incl. CPU (microsecs)30,150 30,059 -91 -0.3%
Incl. CPU (microsecs) per call 520 509 -10 -2.0%
Excl. CPU (microsec)1,775 1,665 -110 -6.2%
Incl. MemUse (bytes)1,771,800 1,774,648 2,848 0.2%
Incl. MemUse (bytes) per call 30,548 30,079 -469 -1.5%
Excl. MemUse (bytes)-135,568 -140,616 -5,048 -3.7%
Incl. PeakMemUse (bytes)2,345,080 2,342,624 -2,456 -0.1%
Incl. PeakMemUse (bytes) per call 40,432 39,705 -727 -1.8%
Excl. PeakMemUse (bytes)155,280 155,416 136 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::getMultiple1 16.7% 756 0.3% -91 -0.1% 2,848 0.6% -2,456 -0.4%
Exclusive Metrics Diff for Current Function-147 -19.4% -110 -120.9% -5,048 -177.2% 136 5.5%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get1 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::query1 20.0% 827 109.4% -12 -13.2% 6,360 223.3% -2,200 -89.6%
Drupal\Core\Cache\DatabaseBackend::prepareItem1 20.0% 65 8.6% 38 41.8% 920 32.3% -472 -19.2%
Drupal\Core\Database\Connection::escapeTable1 20.0% 10 1.3% 2 2.2% 112 3.9% 80 3.3%
array_diff1 20.0% 5 0.7% 4 4.4% 168 5.9% 0 0.0%
array_keys1 20.0% -4 -0.5% -13 -14.3% 336 11.8% 0 0.0%