Diff Report
Run #519eb880e5974: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519eb7a1537f7: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #519eb880e5974Run #519eb7a1537f7DiffDiff%
Number of Function Calls183 188 5 2.7%
Incl. Wall Time (microsec)6,446 6,674 228 3.5%
Incl. Wall Time (microsec) per call 35 36 0 0.8%
Excl. Wall Time (microsec)1,582 1,674 92 5.8%
Incl. CPU (microsecs)6,638 6,879 241 3.6%
Incl. CPU (microsecs) per call 36 37 0 0.9%
Excl. CPU (microsec)1,426 1,486 60 4.2%
Incl. MemUse (bytes)152,372 155,952 3,580 2.3%
Incl. MemUse (bytes) per call 833 830 -3 -0.4%
Excl. MemUse (bytes)-25,020 -25,516 -496 -2.0%
Incl. PeakMemUse (bytes)40,476 40,540 64 0.2%
Incl. PeakMemUse (bytes) per call 221 216 -6 -2.5%
Excl. PeakMemUse (bytes)668 668 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Connection::prepareQuery [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\Connection::prepareQuery5 33.3% 228 6.4% 241 234.0% 3,580 1.5% 64 0.0%
Exclusive Metrics Diff for Current Function92 40.4% 60 24.9% -496 -13.9% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query5 100.0% 228 100.0% 241 100.0% 3,580 100.0% 64 100.0%
Child functions
PDO::prepare5 50.0% 91 39.9% 128 53.1% 3,440 96.1% 72 112.5%
Drupal\Core\Database\Connection::prefixTables5 50.0% 45 19.7% 53 22.0% 636 17.8% -8 -12.5%