Diff Report
Run #565918537d922: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #5659186b7d6e0: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Symfony\Component\Process\Pipes\UnixPipes::readAndWrite

Symfony\Component\Process\Pipes\UnixPipes::readAndWriteRun #565918537d922Run #5659186b7d6e0DiffDiff%
Number of Function Calls1,416 1,433 17 1.2%
Incl. Wall Time (microsec)2,855,900 3,207,161 351,261 12.3%
Incl. Wall Time (microsec) per call 2,017 2,238 221 11.0%
Excl. Wall Time (microsec)52,918 48,178 -4,740 -9.0%
Incl. MemUse (bytes)791,808 799,296 7,488 0.9%
Incl. MemUse (bytes) per call 559 558 -1 -0.3%
Excl. MemUse (bytes)-12,522,272 -12,527,088 -4,816 -0.0%
Incl. PeakMemUse (bytes)0 0 0 N/A%
Incl. PeakMemUse (bytes) per call 0 0 0 N/A%
Excl. PeakMemUse (bytes)0 0 0 N/A%

Parent/Child Regression/Improvement report for Symfony\Component\Process\Pipes\UnixPipes::readAndWrite [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Symfony\Component\Process\Pipes\UnixPipes::readAndWrite17 20.0% 351,261 76.0% 7,488 0.5% 0 0.0%
Exclusive Metrics Diff for Current Function-4,740 -1.3% -4,816 -64.3% 0 N/A%
Parent function
Symfony\Component\Process\Process::readPipes17 100.0% 351,261 100.0% 7,488 100.0% 0 N/A%
Child functions
stream_select17 25.0% 344,040 97.9% -1,496 -20.0% 0 N/A%
fread0 0.0% 6,337 1.8% 0 0.0% 0 N/A%
Symfony\Component\Process\Pipes\AbstractPipes::unblock17 25.0% 3,041 0.9% 0 0.0% 0 N/A%
fclose0 0.0% 2,134 0.6% 0 0.0% 0 N/A%
array_search0 0.0% 285 0.1% 0 0.0% 0 N/A%
feof0 0.0% 75 0.0% 0 0.0% 0 N/A%
count17 25.0% 54 0.0% 0 0.0% 0 N/A%
strlen0 0.0% 18 0.0% 0 0.0% 0 N/A%
array_keys17 25.0% 17 0.0% 13,800 184.3% 0 N/A%