Diff Report
Run #519d4dc9980f7: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d4cd4e396d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #519d4dc9980f7Run #519d4cd4e396dDiffDiff%
Number of Function Calls93 93 0 0.0%
Incl. Wall Time (microsec)93,128 92,744 -384 -0.4%
Incl. Wall Time (microsec) per call 1,001 997 -4 -0.4%
Excl. Wall Time (microsec)4,716 4,707 -9 -0.2%
Incl. CPU (microsecs)54,900 54,881 -19 -0.0%
Incl. CPU (microsecs) per call 590 590 -0 -0.0%
Excl. CPU (microsec)4,317 4,349 32 0.7%
Incl. MemUse (bytes)1,373,936 1,373,880 -56 -0.0%
Incl. MemUse (bytes) per call 14,774 14,773 -1 -0.0%
Excl. MemUse (bytes)195,928 195,920 -8 -0.0%
Incl. PeakMemUse (bytes)1,710,896 1,711,860 964 0.1%
Incl. PeakMemUse (bytes) per call 18,397 18,407 10 0.1%
Excl. PeakMemUse (bytes)199,924 200,036 112 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::getMultiple0 N/A% -384 -2.5% -19 -0.1% -56 -8.4% 964 149.7%
Exclusive Metrics Diff for Current Function-9 -2.3% 32 168.4% -8 -14.3% 112 11.6%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get0 N/A% -560 -145.8% -197 -1036.8% -56 -100.0% 964 100.0%
field_attach_load0 N/A% 176 45.8% 178 936.8% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -934 -243.2% -411 -2163.2% -56 -100.0% 560 58.1%
Drupal\Core\Database\Connection::query0 N/A% 526 137.0% 344 1810.5% 8 14.3% 292 30.3%
Drupal\Core\Database\Connection::escapeTable0 N/A% 26 6.8% 13 68.4% 0 0.0% 0 0.0%
array_diff0 N/A% 4 1.0% -1 -5.3% 0 0.0% 0 0.0%
array_keys0 N/A% 3 0.8% 4 21.1% 0 0.0% 0 0.0%