Diff Report
Run #519ec8682c2dc: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519ec8bd1b3c1: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #519ec8682c2dcRun #519ec8bd1b3c1DiffDiff%
Number of Function Calls54 54 0 0.0%
Incl. Wall Time (microsec)1,230 1,254 24 2.0%
Incl. Wall Time (microsec) per call 23 23 0 2.0%
Excl. Wall Time (microsec)467 485 18 3.9%
Incl. CPU (microsecs)1,283 1,303 20 1.6%
Incl. CPU (microsecs) per call 24 24 0 1.6%
Excl. CPU (microsec)413 407 -6 -1.5%
Incl. MemUse (bytes)20,248 20,248 0 0.0%
Incl. MemUse (bytes) per call 375 375 0 0.0%
Excl. MemUse (bytes)-193,368 -193,368 0 0.0%
Incl. PeakMemUse (bytes)42,280 42,280 0 0.0%
Incl. PeakMemUse (bytes) per call 783 783 0 0.0%
Excl. PeakMemUse (bytes)13,072 13,072 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Component\Utility\Crypt::randomBytes [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\Component\Utility\Crypt::randomBytes0 N/A% 24 0.9% 20 0.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function18 75.0% -6 -30.0% 0 N/A% 0 N/A%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 24 100.0% 20 100.0% 0 N/A% 0 N/A%
Child functions
fread0 N/A% 9 37.5% 9 45.0% 0 N/A% 0 N/A%
strlen0 N/A% -7 -29.2% 8 40.0% 0 N/A% 0 N/A%
print_r0 N/A% 2 8.3% 2 10.0% 0 N/A% 0 N/A%
fclose0 N/A% 1 4.2% 1 5.0% 0 N/A% 0 N/A%
fopen0 N/A% 1 4.2% 1 5.0% 0 N/A% 0 N/A%
substr0 N/A% 0 0.0% 4 20.0% 0 N/A% 0 N/A%
function_exists0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
getmypid0 N/A% 0 0.0% 1 5.0% 0 N/A% 0 N/A%
max0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%