stdio performance in tango, stdlib, and perl

[torhu]

torhu wrote:
<snip>
> Fastest first:
> 
> tango.io.Console, no flushing (Andrei's): ca 1.5s
> 
> C, reusing buffer, gcc & msvc71: ca 3s
> 
> James' C++, gcc: 3.5s
> 
> Phobos std.cstream, reused buffer: 11s
> 
> C w/malloc and free each line, msvc71: 23s
> 
> Andrei's C++, gcc: 27s
> 
> C w/malloc and free each line, gcc: 37s
> 
> Andrei's C++, msvc71: 50s
> 
> James' C++,  msvc: 51s

I've run some of the tests with more accurate timing. Andrei's Tango 
code uses 0.9 seconds, with no flushing, and 1.6 seconds with flushing. 
  I also tried cat itself, from the gnuwin32 project.  cat clocks in at 
1.3 seconds.