Diff Report
Run #517c1bb406b02: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1c27a12c9: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for drupal_random_bytes

drupal_random_bytesRun #517c1bb406b02Run #517c1c27a12c9DiffDiff%
Number of Function Calls3 3 0 0.0%
Incl. Wall Time (microsec)698 736 38 5.4%
Incl. Wall Time (microsec) per call 233 245 13 5.4%
Excl. Wall Time (microsec)74 82 8 10.8%
Incl. CPU (microsecs)701 740 39 5.6%
Incl. CPU (microsecs) per call 234 247 13 5.6%
Excl. CPU (microsec)54 61 7 13.0%
Incl. MemUse (bytes)17,208 17,224 16 0.1%
Incl. MemUse (bytes) per call 5,736 5,741 5 0.1%
Excl. MemUse (bytes)-8,296 -8,280 16 0.2%
Incl. PeakMemUse (bytes)43,200 43,248 48 0.1%
Incl. PeakMemUse (bytes) per call 14,400 14,416 16 0.1%
Excl. PeakMemUse (bytes)13,160 13,160 0 0.0%

Parent/Child Regression/Improvement report for drupal_random_bytes [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_random_bytes0 N/A% 38 0.0% 39 0.0% 16 0.0% 48 0.0%
Exclusive Metrics Diff for Current Function8 21.1% 7 17.9% 16 100.0% 0 0.0%
Parent function
Drupal\Component\Uuid\Php::generate0 N/A% 38 100.0% 39 100.0% 16 100.0% 48 100.0%
Child functions
print_r0 N/A% 12 31.6% 14 35.9% 0 0.0% 0 0.0%
fopen0 N/A% 11 28.9% 11 28.2% 0 0.0% 0 0.0%
fclose0 N/A% 2 5.3% 2 5.1% 0 0.0% 0 0.0%
substr0 N/A% 1 2.6% -2 -5.1% 0 0.0% 0 0.0%
max0 N/A% 1 2.6% 3 7.7% 0 0.0% 0 0.0%
fread0 N/A% 1 2.6% 0 0.0% 0 0.0% 48 100.0%
version_compare0 N/A% 1 2.6% 2 5.1% 0 0.0% 0 0.0%
function_exists0 N/A% 1 2.6% 0 0.0% 0 0.0% 0 0.0%
getmypid0 N/A% 0 0.0% 1 2.6% 0 0.0% 0 0.0%
strlen0 N/A% 0 0.0% 1 2.6% 0 0.0% 0 0.0%