Diff Report
Run #52d4b1f732b14: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d4b18f32fb6: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for PDO::prepare

PDO::prepareRun #52d4b1f732b14Run #52d4b18f32fb6DiffDiff%
Number of Function Calls123 124 1 0.8%
Incl. Wall Time (microsec)927 938 11 1.2%
Incl. Wall Time (microsec) per call 8 8 0 0.4%
Excl. Wall Time (microsec)430 433 3 0.7%
Incl. CPU (microsecs)1,015 1,027 12 1.2%
Incl. CPU (microsecs) per call 8 8 0 0.4%
Excl. CPU (microsec)444 436 -8 -1.8%
Incl. MemUse (bytes)127,608 128,512 904 0.7%
Incl. MemUse (bytes) per call 1,037 1,036 -1 -0.1%
Excl. MemUse (bytes)119,736 120,592 856 0.7%
Incl. PeakMemUse (bytes)14,200 14,320 120 0.8%
Incl. PeakMemUse (bytes) per call 115 115 0 0.0%
Excl. PeakMemUse (bytes)11,920 12,064 144 1.2%

Parent/Child Regression/Improvement report for PDO::prepare [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
PDO::prepare1 50.0% 11 0.6% 12 0.7% 904 1.0% 120 0.1%
Exclusive Metrics Diff for Current Function3 27.3% -8 -66.7% 856 94.7% 144 120.0%
Parent function
Drupal\Core\Database\Connection::prepareQuery1 100.0% 11 100.0% 12 100.0% 904 100.0% 120 100.0%
Child function
Drupal\Core\Database\Statement::__construct1 100.0% 8 72.7% 20 166.7% 48 5.3% -24 -20.0%