Diff Report
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3c5ab9ae4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #51ec3b81ad265Run #51ec3c5ab9ae4DiffDiff%
Number of Function Calls76 76 0 0.0%
Incl. Wall Time (microsec)31,311 29,940 -1,371 -4.4%
Incl. Wall Time (microsec) per call 412 394 -18 -4.4%
Excl. Wall Time (microsec)2,625 2,647 22 0.8%
Incl. CPU (microsecs)23,119 22,518 -601 -2.6%
Incl. CPU (microsecs) per call 304 296 -8 -2.6%
Excl. CPU (microsec)2,364 2,402 38 1.6%
Incl. MemUse (bytes)2,284,328 2,285,272 944 0.0%
Incl. MemUse (bytes) per call 30,057 30,069 12 0.0%
Excl. MemUse (bytes)-70,256 -70,072 184 0.3%
Incl. PeakMemUse (bytes)3,012,320 3,013,560 1,240 0.0%
Incl. PeakMemUse (bytes) per call 39,636 39,652 16 0.0%
Excl. PeakMemUse (bytes)215,360 215,344 -16 -0.0%

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% -1,371 -366.6% -601 -56.8% 944 2.5% 1,240 3.3%
Exclusive Metrics Diff for Current Function22 1.6% 38 6.3% 184 19.5% -16 -1.3%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get0 N/A% -1,368 -99.8% -594 -98.8% 944 100.0% 1,352 109.0%
Drupal\Core\Config\CachedStorage::readMultiple0 N/A% -5 -0.4% -6 -1.0% 0 0.0% 0 0.0%
field_attach_load0 N/A% 2 0.1% -1 -0.2% 0 0.0% -112 -9.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -1,511 -110.2% -757 -126.0% 24 2.5% 144 11.6%
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 122 8.9% 146 24.3% 768 81.4% 1,160 93.5%
Drupal\Core\Database\Connection::escapeTable0 N/A% -14 -1.0% -13 -2.2% -32 -3.4% -48 -3.9%
array_keys0 N/A% 13 0.9% 1 0.2% 0 0.0% 0 0.0%
array_diff0 N/A% -3 -0.2% -16 -2.7% 0 0.0% 0 0.0%