Diff Report
Run #51c6814c41b47: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51c6824f48b42: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Component\Utility\Crypt::randomBytes

Drupal\Component\Utility\Crypt::randomBytesRun #51c6814c41b47Run #51c6824f48b42DiffDiff%
Number of Function Calls 4 4 N/A%
Incl. Wall Time (microsec) 764 764 N/A%
Incl. Wall Time (microsec) per call N/A 191 191 N/A%
Excl. Wall Time (microsec) 109 109 N/A%
Incl. CPU (microsecs) 767 767 N/A%
Incl. CPU (microsecs) per call N/A 192 192 N/A%
Excl. CPU (microsec) 91 91 N/A%
Incl. MemUse (bytes) 16,648 16,648 N/A%
Incl. MemUse (bytes) per call N/A 4,162 4,162 N/A%
Excl. MemUse (bytes) -12,576 -12,576 N/A%
Incl. PeakMemUse (bytes) 42,280 42,280 N/A%
Incl. PeakMemUse (bytes) per call N/A 10,570 10,570 N/A%
Excl. PeakMemUse (bytes) 13,088 13,088 N/A%

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::randomBytes4 12.1% 764 0.1% 767 0.1% 16,648 0.1% 42,280 0.2%
Exclusive Metrics Diff for Current Function109 14.3% 91 11.9% -12,576 -75.5% 13,088 31.0%
Parent function
Drupal\Component\Uuid\Php::generate4 100.0% 764 100.0% 767 100.0% 16,648 100.0% 42,280 100.0%
Child functions
fread1 5.0% 544 71.2% 546 71.2% 13,120 78.8% 3,432 8.1%
fopen1 5.0% 41 5.4% 43 5.6% 1,704 10.2% 0 0.0%
print_r1 5.0% 27 3.5% 28 3.7% 1,976 11.9% 17,616 41.7%
substr8 40.0% 20 2.6% 27 3.5% 17,272 103.7% 8,144 19.3%
strlen5 25.0% 9 1.2% 12 1.6% 792 4.8% 0 0.0%
fclose1 5.0% 7 0.9% 9 1.2% -8,024 -48.2% 0 0.0%
max1 5.0% 3 0.4% 5 0.7% 792 4.8% 0 0.0%
getmypid1 5.0% 2 0.3% 2 0.3% 792 4.8% 0 0.0%
function_exists1 5.0% 2 0.3% 4 0.5% 800 4.8% 0 0.0%