Diff Report
Run #519a496084867: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #519a4774889dd: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for Drupal\Core\Database\Connection::getDriverClass

Drupal\Core\Database\Connection::getDriverClassRun #519a496084867Run #519a4774889ddDiffDiff%
Number of Function Calls20 20 0 0.0%
Incl. Wall Time (microsec)45,484 27,779 -17,705 -38.9%
Incl. Wall Time (microsec) per call 2,274 1,389 -885 -38.9%
Excl. Wall Time (microsec)1,328 716 -612 -46.1%
Incl. CPU (microsecs)8,001 12,002 4,001 50.0%
Incl. CPU (microsecs) per call 400 600 200 50.0%
Excl. CPU (microsec)0 0 0 N/A%
Incl. MemUse (bytes)950,544 950,840 296 0.0%
Incl. MemUse (bytes) per call 47,527 47,542 15 0.0%
Excl. MemUse (bytes)6,448 6,488 40 0.6%
Incl. PeakMemUse (bytes)857,704 850,680 -7,024 -0.8%
Incl. PeakMemUse (bytes) per call 42,885 42,534 -351 -0.8%
Excl. PeakMemUse (bytes)1,480 1,480 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Connection::getDriverClass [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::getDriverClass0 N/A% -17,705 -0.7% 4,001 100.0% 296 2.2% -7,024 -48.4%
Exclusive Metrics Diff for Current Function-612 -3.5% 0 0.0% 40 13.5% 0 0.0%
Parent functions
Drupal\Core\Database\Connection::select0 N/A% -9,289 -52.5% 1 0.0% 192 64.9% -184 -2.6%
Drupal\Core\Database\Connection::insert0 N/A% -3,628 -20.5% 4,001 100.0% 56 18.9% -6,656 -94.8%
Drupal\Core\Database\Connection::merge0 N/A% -2,621 -14.8% 4,000 100.0% 0 0.0% -184 -2.6%
Drupal\Core\Database\Connection::delete0 N/A% -2,167 -12.2% -4,001 -100.0% 48 16.2% 0 0.0%
Child functions
class_exists0 N/A% -17,052 -96.3% 4,001 100.0% 280 94.6% -7,024 -100.0%
Drupal\Core\Database\Driver\mysql\Connection::driver0 N/A% -41 -0.2% 0 0.0% -24 -8.1% 0 0.0%