Diff Report
Run #519fe6587b366: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fe82fef731: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #519fe6587b366Run #519fe82fef731DiffDiff%
Number of Function Calls52 52 0 0.0%
Incl. Wall Time (microsec)20,514 18,420 -2,094 -10.2%
Incl. Wall Time (microsec) per call 395 354 -40 -10.2%
Excl. Wall Time (microsec)1,192 1,057 -135 -11.3%
Incl. CPU (microsecs)28,000 16,000 -12,000 -42.9%
Incl. CPU (microsecs) per call 538 308 -231 -42.9%
Excl. CPU (microsec)4,000 0 -4,000 -100.0%
Incl. MemUse (bytes)1,847,776 1,849,576 1,800 0.1%
Incl. MemUse (bytes) per call 35,534 35,569 35 0.1%
Excl. MemUse (bytes)82,728 83,072 344 0.4%
Incl. PeakMemUse (bytes)2,233,496 2,235,800 2,304 0.1%
Incl. PeakMemUse (bytes) per call 42,952 42,996 44 0.1%
Excl. PeakMemUse (bytes)148,912 149,160 248 0.2%

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% -2,094 -49.8% -12,000 -300.0% 1,800 2.9% 2,304 3.7%
Exclusive Metrics Diff for Current Function-135 -6.4% -4,000 -33.3% 344 19.1% 248 10.8%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get0 N/A% -2,078 -99.2% -12,000 -100.0% 1,800 100.0% 2,304 100.0%
field_attach_load0 N/A% -16 -0.8% 0 0.0% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -1,062 -50.7% 4,000 33.3% 0 0.0% 184 8.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -870 -41.5% -12,000 -100.0% 1,456 80.9% 1,872 81.2%
Drupal\Core\Database\Connection::escapeTable0 N/A% -28 -1.3% 0 0.0% 0 0.0% 0 0.0%
array_keys0 N/A% 2 0.1% 0 0.0% 0 0.0% 0 0.0%
array_diff0 N/A% -1 -0.0% 0 0.0% 0 0.0% 0 0.0%