Diff Report
Run #518081a41c05e: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518080a5ca60d: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #518081a41c05eRun #518080a5ca60dDiffDiff%
Number of Function Calls59 59 0 0.0%
Incl. Wall Time (microsec)46,987 47,481 494 1.1%
Incl. Wall Time (microsec) per call 796 805 8 1.1%
Excl. Wall Time (microsec)1,972 2,019 47 2.4%
Incl. CPU (microsecs)31,420 32,046 626 2.0%
Incl. CPU (microsecs) per call 533 543 11 2.0%
Excl. CPU (microsec)1,760 1,779 19 1.1%
Incl. MemUse (bytes)1,839,840 1,841,128 1,288 0.1%
Incl. MemUse (bytes) per call 31,184 31,206 22 0.1%
Excl. MemUse (bytes)-146,896 -146,792 104 0.1%
Incl. PeakMemUse (bytes)2,421,872 2,423,864 1,992 0.1%
Incl. PeakMemUse (bytes) per call 41,049 41,082 34 0.1%
Excl. PeakMemUse (bytes)147,576 148,168 592 0.4%

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% 494 40.5% 626 48.3% 1,288 29.8% 1,992 46.0%
Exclusive Metrics Diff for Current Function47 9.5% 19 3.0% 104 8.1% 592 29.7%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get0 N/A% 937 189.7% 865 138.2% 1,288 100.0% 1,992 100.0%
field_attach_load0 N/A% -443 -89.7% -239 -38.2% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 446 90.3% 304 48.6% 0 0.0% 2,192 110.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 36 7.3% 304 48.6% 1,160 90.1% -792 -39.8%
Drupal\Core\Database\Connection::escapeTable0 N/A% -23 -4.7% -25 -4.0% 24 1.9% 0 0.0%
array_keys0 N/A% -7 -1.4% 15 2.4% 0 0.0% 0 0.0%
array_diff0 N/A% -5 -1.0% 9 1.4% 0 0.0% 0 0.0%