Messages in this thread | | | Date | Wed, 04 Oct 2000 11:21:57 +0200 | From | Michael Meding <> | Subject | Re: Why does everyone hate gcc 2.95? |
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Hi there,
> I hate it because it compiles much more slowly than 2.72 and for > my purposes, Hm, have not checked that. Did you do benchmarks here ?
at least, the resulting code is not any faster on > any of the following platforms: x86, SPARC, MIPS, PA-RISC, and Alpha. Hm,
quick check of dgemm or also testgart or gears gives me a 10 to 20 percent increase in speed when compiling with -mcpu=pentium -O2 as switches for both runs on my duron.
All this reasons are not showing that gcc-2.95.2 is somehow broken. Please enlighten me.
With best regards
Michael
Larry McVoy schrieb: > > On Wed, Oct 04, 2000 at 04:28:41AM +0000, John Anthony Kazos Jr. wrote: > > What does everyone have against gcc 2.95 on this list? I've been > > compiling kernels successfully (read: not one single (ever) error > > in compilation) with gcc 2.95.2 for more than a year now. What's the > > big deal? > > [Fix your mail program to put in carriage returns at 72 columns, please] > > I hate it because it compiles much more slowly than 2.72 and for > my purposes, at least, the resulting code is not any faster on > any of the following platforms: x86, SPARC, MIPS, PA-RISC, and Alpha. > I ran a bunch of tests with both on the BitKeeper source base, about > 100K lines of code or so, and then ran the regressions as well as some > hand picked tests. No faster. Just compiles slower. Add to that > some distributions BRAINDEAD default of havving colorgcc be the default > compiler (can you say fork perl to fork gcc? Can you say STUPID?), and > you start to understand why the first thing I do is remove all that > garbage and put back a reasonable compiler. > > I'm not impressed. > -- > --- > Larry McVoy lm at bitmover.com http://www.bitmover.com/lm > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > Please read the FAQ at http://www.tux.org/lkml/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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