Diff Report
Run #51ec485525502: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec491641923: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #51ec485525502Run #51ec491641923DiffDiff%
Number of Function Calls97 97 0 0.0%
Incl. Wall Time (microsec)45,085 45,171 86 0.2%
Incl. Wall Time (microsec) per call 465 466 1 0.2%
Excl. Wall Time (microsec)3,426 3,441 15 0.4%
Incl. CPU (microsecs)34,880 35,130 250 0.7%
Incl. CPU (microsecs) per call 360 362 3 0.7%
Excl. CPU (microsec)3,036 3,057 21 0.7%
Incl. MemUse (bytes)3,215,880 3,217,168 1,288 0.0%
Incl. MemUse (bytes) per call 33,153 33,167 13 0.0%
Excl. MemUse (bytes)-57,048 -56,512 536 0.9%
Incl. PeakMemUse (bytes)3,920,936 3,923,984 3,048 0.1%
Incl. PeakMemUse (bytes) per call 40,422 40,453 31 0.1%
Excl. PeakMemUse (bytes)261,664 262,328 664 0.3%

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% 86 5.6% 250 14.3% 1,288 1.0% 3,048 2.3%
Exclusive Metrics Diff for Current Function15 17.4% 21 8.4% 536 41.6% 664 21.8%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get0 N/A% 245 284.9% 294 117.6% 1,312 101.9% 432 14.2%
field_attach_load0 N/A% -213 -247.7% -89 -35.6% 16 1.2% 7,256 238.1%
Drupal\Core\Config\CachedStorage::readMultiple0 N/A% 54 62.8% 45 18.0% -40 -3.1% -4,640 -152.2%
Child functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 597 694.2% 446 178.4% 848 65.8% -960 -31.5%
Drupal\Core\Database\Connection::query0 N/A% -529 -615.1% -203 -81.2% -48 -3.7% 3,344 109.7%
array_diff0 N/A% 7 8.1% -12 -4.8% -8 -0.6% 0 0.0%
Drupal\Core\Database\Connection::escapeTable0 N/A% -6 -7.0% 5 2.0% -32 -2.5% 0 0.0%
array_keys0 N/A% 2 2.3% -7 -2.8% -8 -0.6% 0 0.0%