Diff Report
Run #519fe7ae1f6cc: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519fe8e1e5eca: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #519fe7ae1f6ccRun #519fe8e1e5ecaDiffDiff%
Number of Function Calls98 98 0 0.0%
Incl. Wall Time (microsec)39,734 41,176 1,442 3.6%
Incl. Wall Time (microsec) per call 405 420 15 3.6%
Excl. Wall Time (microsec)3,100 3,145 45 1.5%
Incl. CPU (microsecs)25,437 25,844 407 1.6%
Incl. CPU (microsecs) per call 260 264 4 1.6%
Excl. CPU (microsec)2,814 2,811 -3 -0.1%
Incl. MemUse (bytes)999,152 999,080 -72 -0.0%
Incl. MemUse (bytes) per call 10,195 10,195 -1 -0.0%
Excl. MemUse (bytes)-49,248 -49,248 0 0.0%
Incl. PeakMemUse (bytes)1,378,368 1,378,400 32 0.0%
Incl. PeakMemUse (bytes) per call 14,065 14,065 0 0.0%
Excl. PeakMemUse (bytes)130,928 130,872 -56 -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% 1,442 526.3% 407 156.5% -72 -450.0% 32 50.0%
Exclusive Metrics Diff for Current Function45 3.1% -3 -0.7% 0 0.0% -56 -175.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get0 N/A% 1,498 103.9% 401 98.5% -72 -100.0% 32 100.0%
field_attach_load0 N/A% -56 -3.9% 6 1.5% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 1,235 85.6% 200 49.1% 0 0.0% -64 -200.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 148 10.3% 176 43.2% -72 -100.0% 152 475.0%
array_diff0 N/A% 7 0.5% 11 2.7% 0 0.0% 0 0.0%
Drupal\Core\Database\Connection::escapeTable0 N/A% 6 0.4% 15 3.7% 0 0.0% 0 0.0%
array_keys0 N/A% 1 0.1% 8 2.0% 0 0.0% 0 0.0%