Diff Report
Run #51978d4d92dd9: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51978cc86c728: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #51978d4d92dd9Run #51978cc86c728DiffDiff%
Number of Function Calls86 85 -1 -1.2%
Incl. Wall Time (microsec)63,272 62,123 -1,149 -1.8%
Incl. Wall Time (microsec) per call 736 731 -5 -0.7%
Excl. Wall Time (microsec)2,871 2,802 -69 -2.4%
Incl. CPU (microsecs)40,230 39,325 -905 -2.2%
Incl. CPU (microsecs) per call 468 463 -5 -1.1%
Excl. CPU (microsec)2,515 2,443 -72 -2.9%
Incl. MemUse (bytes)2,344,896 2,342,656 -2,240 -0.1%
Incl. MemUse (bytes) per call 27,266 27,561 294 1.1%
Excl. MemUse (bytes)-237,440 -232,584 4,856 2.0%
Incl. PeakMemUse (bytes)2,676,592 2,660,584 -16,008 -0.6%
Incl. PeakMemUse (bytes) per call 31,123 31,301 178 0.6%
Excl. PeakMemUse (bytes)121,400 121,248 -152 -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% -1,149 -461.4% -905 -747.9% -2,240 -10.3% -16,008 -68.5%
Exclusive Metrics Diff for Current Function-69 -6.0% -72 -8.0% 4,856 216.8% -152 -0.9%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get-1 -100.0% -1,106 -96.3% -846 -93.5% -2,240 -100.0% -16,008 -100.0%
field_attach_load0 0.0% -43 -3.7% -59 -6.5% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query-1 -20.0% -880 -76.6% -913 -100.9% -6,168 -275.4% -6,192 -38.7%
Drupal\Core\Cache\DatabaseBackend::prepareItem-1 -20.0% -210 -18.3% 55 6.1% -312 -13.9% -9,648 -60.3%
array_keys-1 -20.0% 7 0.6% 17 1.9% -368 -16.4% 0 0.0%
array_diff-1 -20.0% 3 0.3% 6 0.7% -168 -7.5% 0 0.0%
Drupal\Core\Database\Connection::escapeTable-1 -20.0% 0 0.0% 2 0.2% -80 -3.6% -16 -0.1%