Diff Report
Run #517c76da9b0d3: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c75d3de7c7: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for db_merge

db_mergeRun #517c76da9b0d3Run #517c75d3de7c7DiffDiff%
Number of Function Calls 1 1 N/A%
Incl. Wall Time (microsec) 250 250 N/A%
Incl. Wall Time (microsec) per call N/A 250 250 N/A%
Excl. Wall Time (microsec) 15 15 N/A%
Incl. CPU (microsecs) 251 251 N/A%
Incl. CPU (microsecs) per call N/A 251 251 N/A%
Excl. CPU (microsec) 9 9 N/A%
Incl. MemUse (bytes) 56,632 56,632 N/A%
Incl. MemUse (bytes) per call N/A 56,632 56,632 N/A%
Excl. MemUse (bytes) 1,448 1,448 N/A%
Incl. PeakMemUse (bytes) 34,912 34,912 N/A%
Incl. PeakMemUse (bytes) per call N/A 34,912 34,912 N/A%
Excl. PeakMemUse (bytes) 1,104 1,104 N/A%

Parent/Child Regression/Improvement report for db_merge [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
db_merge1 33.3% 250 0.1% 251 0.3% 56,632 23.3% 34,912 9.9%
Exclusive Metrics Diff for Current Function15 6.0% 9 3.6% 1,448 2.6% 1,104 3.2%
Parent function
_drupal_session_write1 100.0% 250 100.0% 251 100.0% 56,632 100.0% 34,912 100.0%
Child functions
Drupal\Core\Database\Connection::merge1 50.0% 230 92.0% 234 93.2% 54,392 96.0% 33,328 95.5%
Drupal\Core\Database\Database::getConnection1 50.0% 5 2.0% 8 3.2% 792 1.4% 480 1.4%