Groups > comp.os.linux.advocacy > #448132

Re: Gentoo is BEST GNU/Linux

From	owl <owl@rooftop.invalid>
Newsgroups	comp.os.linux.advocacy
Subject	Re: Gentoo is BEST GNU/Linux
Date	2018-04-11 13:14 +0000
Organization	O.W.L.
Message-ID	<9a09b79a.bahoi3@rooftop.invalid> (permalink)
References	<padcgh03u@news4.newsguy.com> <paiku402uik@news7.newsguy.com> <sa0b803g.aho93@rooftop.invalid> <pakkh202pf6@news4.newsguy.com>

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F. Russell <fr@random.info> wrote:
> On Tue, 10 Apr 2018 20:31:10 +0000, owl wrote:
> 
>> 
>> 6144.  Matches L3.
>>
> 
> There is virtually NO documentation on this.
> 
> I'll have to go to the gcc mailing lists for some
> answers.
> 

from anon@lowtide:~/gcc-4.8-4.8.4/gcc-4.8.4/gcc/config/i386/driver-i386.c:

static const char *
detect_caches_intel (bool xeon_mp, unsigned max_level,
                     unsigned max_ext_level, unsigned *l2sizekb)
{

...

  /* Let the L3 replace the L2. This assumes inclusive caches
     and single threaded program for now. */
  if (level3.sizekb)
    level2 = level3;

...

  return describe_cache (level1, level2);
}


static char *
describe_cache (struct cache_desc level1, struct cache_desc level2)
{

...


  snprintf (size2, sizeof (size2),
            "--param l2-cache-size=%u ", level2.sizekb);
...

}

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Thread

Gentoo is *BEST* GNU/Linux "F. Russell" <fr@random.info> - 2018-04-08 15:29 +0000
  Re: Gentoo is *BEST* GNU/Linux Steven Petruzzellis <frelwizzen@gmail.com> - 2018-04-08 10:51 -0700
  Re: Gentoo is *BEST* GNU/Linux Melzzzzz <Melzzzzz@zzzzz.com> - 2018-04-08 19:36 +0000
    Re: Gentoo is *BEST* GNU/Linux Steven Petruzzellis <frelwizzen@gmail.com> - 2018-04-08 12:41 -0700
    Re: Gentoo is *BEST* GNU/Linux "F. Russell" <fr@random.info> - 2018-04-08 20:03 +0000
      Re: Gentoo is *BEST* GNU/Linux Melzzzzz <Melzzzzz@zzzzz.com> - 2018-04-08 20:22 +0000
        Re: Gentoo is *BEST* GNU/Linux "F. Russell" <fr@random.info> - 2018-04-08 21:06 +0000
      Re: Gentoo is *BEST* GNU/Linux owl <owl@rooftop.invalid> - 2018-04-08 21:02 +0000
        Re: Gentoo is *BEST* GNU/Linux Steven Petruzzellis <frelwizzen@gmail.com> - 2018-04-08 14:31 -0700
        Re: Gentoo is *BEST* GNU/Linux "F. Russell" <fr@random.info> - 2018-04-08 22:03 +0000
          Re: Gentoo is *BEST* GNU/Linux Steven Petruzzellis <frelwizzen@gmail.com> - 2018-04-08 15:18 -0700
            Re: Gentoo is *BEST* GNU/Linux Steven Petruzzellis <frelwizzen@gmail.com> - 2018-04-08 20:00 -0700
          Re: Gentoo is *BEST* GNU/Linux owl <owl@rooftop.invalid> - 2018-04-08 23:47 +0000
            Re: Gentoo is *BEST* GNU/Linux Steven Petruzzellis <frelwizzen@gmail.com> - 2018-04-08 17:09 -0700
  Re: Gentoo is *BEST* GNU/Linux "F. Russell" <fr@random.info> - 2018-04-10 15:23 +0000
    Re: Gentoo is *BEST* GNU/Linux Steven Petruzzellis <frelwizzen@gmail.com> - 2018-04-10 11:35 -0700
    Re: Gentoo is *BEST* GNU/Linux owl <owl@rooftop.invalid> - 2018-04-10 20:31 +0000
      Re: Gentoo is *BEST* GNU/Linux Steven Petruzzellis <frelwizzen@gmail.com> - 2018-04-10 21:53 -0700
      Re: Gentoo is *BEST* GNU/Linux "F. Russell" <fr@random.info> - 2018-04-11 09:29 +0000
        Re: Gentoo is *BEST* GNU/Linux Steven Petruzzellis <frelwizzen@gmail.com> - 2018-04-11 03:35 -0700
        Re: Gentoo is *BEST* GNU/Linux owl <owl@rooftop.invalid> - 2018-04-11 12:21 +0000
          Re: Gentoo is *BEST* GNU/Linux Steven Petruzzellis <frelwizzen@gmail.com> - 2018-04-11 06:43 -0700
          A page fault can cost ONE MILLION CLOCK CYCLES. Jeff-Relf.Me  @. - 2018-04-11 12:09 -0700
            Re: A page fault can cost ONE MILLION CLOCK CYCLES. Melzzzzz <Melzzzzz@zzzzz.com> - 2018-04-11 19:25 +0000
              Re: A page fault can cost ONE MILLION CLOCK CYCLES. Steven Petruzzellis <frelwizzen@gmail.com> - 2018-04-12 02:24 -0700
              Re: A page fault can cost ONE MILLION CLOCK CYCLES. Steven Petruzzellis <frelwizzen@gmail.com> - 2018-04-12 06:51 -0700
              365 Million L3 Misses. Jeff-Relf.Me  @. - 2018-04-14 07:58 -0700
                Re: 365 Million L3 Misses. Steven Petruzzellis <frelwizzen@gmail.com> - 2018-04-14 08:48 -0700
            Re: A page fault can cost ONE MILLION CLOCK CYCLES. Steven Petruzzellis <frelwizzen@gmail.com> - 2018-04-11 21:59 -0700
        Re: Gentoo is *BEST* GNU/Linux owl <owl@rooftop.invalid> - 2018-04-11 13:14 +0000

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