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Re: gcc compile-time performance
- From: law at redhat dot com
- To: "David S. Miller" <davem at redhat dot com>
- Cc: dewar at gnat dot com, gdr at codesourcery dot com, drow at mvista dot com, gcc at gcc dot gnu dot org, mark at codesourcery dot com, scott at coyotegulch dot com
- Date: Sun, 19 May 2002 09:20:22 -0600
- Subject: Re: gcc compile-time performance
- Reply-to: law at redhat dot com
In message <email@example.com>, "David S. Miller"
> From: firstname.lastname@example.org (Robert Dewar)
> Date: Sun, 19 May 2002 07:49:24 -0400 (EDT)
> What we are comparing here (Solaris vs Redhat Linux) is doing a full boot
> of C and Ada, and this seems to take reasonably comparable times on the
> two machines (the Sun is slower by a factor of 2-3, but it is also a slow
> machine by this factor).
> What about "make check", do you see the same matching ratio?
> I really doubt you will.... the Linux box should nuke the Solaris
> one in terms of how long it takes to run "make check" even just
> for the C language.
> Linux also nukes Solaris in terms of how long it takes to build
> libjava, but that is mostly a bug in the java compiler which Mark is
> fixing (during compilation the java compiler calls stat() on the same
> file a couple thounsand times, something like this).
> But, again, "make check" is the real killer under Solaris.
Also true for HP-UX ("make check" being a killer time-wise).