Diff Report
Run #512a40ad78082: XHProf Run (Namespace=drupal-perf)
vs.
Run #512a40915a5dd: XHProf Run (Namespace=drupal-perf)
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Regression/Improvement summary for Drupal\Core\Database\Database::getConnection

Drupal\Core\Database\Database::getConnectionRun #512a40ad78082Run #512a40915a5ddDiffDiff%
Number of Function Calls168 135 -33 -19.6%
Incl. Wall Time (microsec)1,076 990 -86 -8.0%
Incl. Wall Time (microsec) per call 6 7 1 14.5%
Excl. Wall Time (microsec)450 371 -79 -17.6%
Incl. CPU (microsecs)0 4,000 4,000 N/A%
Incl. CPU (microsecs) per call 0 30 30 N/A%
Excl. CPU (microsec)0 4,000 4,000 N/A%
Incl. MemUse (bytes)264,064 262,920 -1,144 -0.4%
Incl. MemUse (bytes) per call 1,572 1,948 376 23.9%
Excl. MemUse (bytes)9,040 7,888 -1,152 -12.7%
Incl. PeakMemUse (bytes)268,544 265,728 -2,816 -1.0%
Incl. PeakMemUse (bytes) per call 1,598 1,968 370 23.1%
Excl. PeakMemUse (bytes)11,192 8,368 -2,824 -25.2%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Database::getConnection [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\Database\Database::getConnection-33 -100.0% -86 -0.3% 4,000 14.3% -1,144 -0.0% -2,816 -0.1%
Exclusive Metrics Diff for Current Function-79 -91.9% 4,000 100.0% -1,152 -100.7% -2,824 -100.3%
Parent functions
Drupal\Core\Cache\DatabaseBackend::getMultiple-30 -90.9% -82 -95.3% 4,000 100.0% 8 0.7% -952 -33.8%
Drupal\views\Plugin\views\query\Sql::query-2 -6.1% -5 -5.8% 0 0.0% -1,152 -100.7% -1,152 -40.9%
Drupal\Core\Cache\DatabaseBackend::checksumTags-1 -3.0% 1 1.2% 0 0.0% 0 0.0% -456 -16.2%
db_select0 0.0% 0 0.0% 0 0.0% 0 0.0% -176 -6.2%
db_query_range0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
call_user_func0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
db_query0 0.0% 0 0.0% 0 0.0% 0 0.0% -80 -2.8%
Child function
Drupal\Core\Database\Database::openConnection0 N/A% -7 -8.1% 0 0.0% 8 0.7% 8 0.3%