On Mon, 24 May 1999, Alan Watson wrote:
> > For egcs compiler, you need to compile with -mpentiumpro switch on
> > Pentium II machines. Binaries compiled with -m386 or -m486 switch will
> > run slower than binaries compiled with gcc!
>
> Thanks very much for your advice. With the right compiler
> flags, I can get gzip back up to the speed it had in 5.2,
> although gunzip is still about 15% slower.
>
> > And no, the issue is not kernel related.
>
> Well, yes, the speed of gzip/gunzip is not kernel-related,
> but the apparent inability of 2.2.5 to effectively
> parallelize "cmd1 | cmd2" most certainly is kernel-related.
> Sorry to bang on about this.
>
> Regards,
>
> Alan
> --
Assuming that cmd1 and cmd2 are able to run at the same time, the
kernel will certainly run them with no problem. This is a common
enough thing to do in unix. I am running (as a test on 2.2.9) 4
very compute bound tasks chained together in a pipe and all 4
are running in parallel just like they should (on a quad box)...
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