Diff Report
Run #5198f1db1bc51: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5198f0bb880ef: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #5198f1db1bc51Run #5198f0bb880efDiffDiff%
Number of Function Calls160 159 -1 -0.6%
Incl. Wall Time (microsec)3,165 3,108 -57 -1.8%
Incl. Wall Time (microsec) per call 20 20 -0 -1.2%
Excl. Wall Time (microsec)793 775 -18 -2.3%
Incl. CPU (microsecs)3,295 3,251 -44 -1.3%
Incl. CPU (microsecs) per call 21 20 -0 -0.7%
Excl. CPU (microsec)653 637 -16 -2.5%
Incl. MemUse (bytes)166,160 165,216 -944 -0.6%
Incl. MemUse (bytes) per call 1,039 1,039 1 0.1%
Excl. MemUse (bytes)-27,352 -27,200 152 0.6%
Incl. PeakMemUse (bytes)41,040 41,360 320 0.8%
Incl. PeakMemUse (bytes) per call 257 260 4 1.4%
Excl. PeakMemUse (bytes)1,112 1,072 -40 -3.6%

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::prepareQuery-1 -33.3% -57 -3.6% -44 -2.0% -944 -3.3% 320 0.8%
Exclusive Metrics Diff for Current Function-18 -31.6% -16 -36.4% 152 16.1% -40 -12.5%
Parent function
Drupal\Core\Database\Connection::query-1 -100.0% -57 -100.0% -44 -100.0% -944 -100.0% 320 100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables-1 -50.0% -24 -42.1% -4 -9.1% -200 -21.2% 224 70.0%
PDO::prepare-1 -50.0% -15 -26.3% -24 -54.5% -896 -94.9% 136 42.5%