By: Foyle (void.delete@this.null.com), January 23, 2020 5:51 am
Room: Moderated Discussions
anonymou5 (no.delete@this.spam.com) on January 22, 2020 11:56 pm wrote:
> so yeah, on SKX both LVL0 and LVL1 do indeed have 2 sub levels each, for a total of 5
>
> mapping those 5 levels to only 3 frequency curves is a simplification on Intel's part
>
> next: try different SKX microcodes, to see if SKX erratum 101 shows up in all of this...
There are also more frequency levels than suggested by "light code minus fixed AVX offset" model.
Observed with avx-turbo on client SKL-X and CSL-X:

> so yeah, on SKX both LVL0 and LVL1 do indeed have 2 sub levels each, for a total of 5
>
> mapping those 5 levels to only 3 frequency curves is a simplification on Intel's part
>
> next: try different SKX microcodes, to see if SKX erratum 101 shows up in all of this...
There are also more frequency levels than suggested by "light code minus fixed AVX offset" model.
Observed with avx-turbo on client SKL-X and CSL-X:
Topic | Posted By | Date |
---|---|---|
AVX-512 downclocking post | Travis Downs | 2020/01/16 09:20 PM |
AVX-512 downclocking post | anon³ | 2020/01/17 01:25 AM |
AVX-512 downclocking post | Andrei | 2020/01/17 02:47 AM |
AVX-512 downclocking post | Montaray Jack | 2020/01/17 03:58 PM |
AVX-512 downclocking post | Andrei | 2020/01/17 11:40 PM |
AVX-512 downclocking post | Montaray Jack | 2020/01/19 02:10 AM |
AVX-512 downclocking post | Jan Olšan | 2020/01/19 01:01 PM |
AVX-512 downclocking post | Jan Olšan | 2020/01/19 01:11 PM |
AVX-512 downclocking post | Travis Downs | 2020/01/17 02:59 PM |
AVX-512 downclocking post | David Kanter | 2020/01/18 10:27 AM |
magnetic inductors | jokerman | 2020/01/18 08:03 PM |
AVX-512 downclocking post | Travis Downs | 2020/01/24 11:36 AM |
AVX-512 downclocking post | Ray | 2020/01/17 02:22 AM |
AVX-512 downclocking post | Travis Downs | 2020/01/17 01:10 PM |
AVX-512 downclocking post | Etienne | 2020/01/17 03:16 AM |
Thanks, typos fixed and credited (NT) | Travis Downs | 2020/01/17 01:15 PM |
Title suggestions welcome (NT) | Travis Downs | 2020/01/17 08:54 AM |
AVX-512 downclocking post | anonymou5 | 2020/01/17 10:53 AM |
AVX-512 downclocking post | Travis Downs | 2020/01/17 11:14 AM |
AVX-512 downclocking post | Yoav | 2020/01/17 11:50 AM |
AVX-512 downclocking post | Travis Downs | 2020/01/17 01:14 PM |
AVX-512 downclocking post | anonymou5 | 2020/01/17 04:26 PM |
AVX-512 downclocking post | Travis Downs | 2020/01/22 08:19 PM |
AVX-512 downclocking post | anonymou5 | 2020/01/23 12:56 AM |
AVX-512 downclocking post | Foyle | 2020/01/23 05:51 AM |
AVX-512 downclocking post | anonymou5 | 2020/01/23 06:57 AM |
AVX-512 downclocking post | Travis Downs | 2020/01/24 12:49 PM |
finer-grained licenses | Travis Downs | 2020/01/24 01:03 PM |
finer-grained licenses | anonymou5 | 2020/01/24 04:28 PM |
finer-grained licenses | Travis Downs | 2020/01/25 09:46 AM |
post published (new line) | Travis Downs | 2020/01/17 11:55 AM |
should say: (new LINK) (NT) | Travis Downs | 2020/01/17 11:55 AM |
should say: (new LINK) | Tim McCaffrey | 2020/01/17 01:44 PM |
Thanks, fixed and credited (NT) | Travis Downs | 2020/01/17 02:54 PM |
should say: (new LINK) | anon | 2020/01/17 09:12 PM |
should say: (new LINK) | Travis Downs | 2020/01/22 03:28 PM |
Thanks! | anon | 2020/01/22 08:06 PM |
Thanks! | Travis Downs | 2020/01/22 08:16 PM |
Thanks! | anon | 2020/01/22 10:20 PM |
Thanks! | Travis Downs | 2020/01/23 01:51 AM |
Thanks! | Linus Torvalds | 2020/01/23 05:33 PM |
Thanks! | Travis Downs | 2020/01/24 12:44 PM |
Throttling dispatch | Gabriele Svelto | 2020/01/22 01:40 PM |
Itanium also used it | David Kanter | 2020/01/22 02:04 PM |