Re: Hurd performance [was: PPP]
On 20 Jul 1998, Gordon Matzigkeit wrote:
> ML> I think that [Brent Fulgham] was speaking about my own web page at
> ML> http://www.via.ecp.fr/~walken/hurd/compile.html... On my machine
> ML> (PII/233 w/ 64M of ram) with a hurd 0.2 distribution, it takes 6
> ML> hours to compile the glibc vs 75 mins if I cross-compile it from
> ML> Linux.
> Something that just occurred to me: are you using a cross-GCC that was
> optimized in the same way as the Hurd native GCC?
ack. I didnt think about checking this. I didnt played with the gcc
building options, either : my gcc cross-compiler is built exactly as
described on my web page, using the default optimization options set by
./configure and the makefiles. I think that this includes optimization. my
native hurd gcc compiler is from the gnu-0.2 distribution, so I guess it
must have the debug information compiled in. I will check into this later
this week....
Still, the slowness of "make" when working in a big directory (compiling
the gnu libc for example) is extremely noticeable, too. It may take up to
30 seconds between two runs of gcc. I think this one is due to a slow
stat() implementation.
Michel "Walken" LESPINASSE - Student at Ecole Centrale Paris (France)
www walken@via.ecp.fr
(o o) http://www.via.ecp.fr/~walken/
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