Re: Reverse engineering of Intel branch predictors

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Sujet : Re: Reverse engineering of Intel branch predictors
De : mitchalsup (at) *nospam* aol.com (MitchAlsup1)
Groupes : comp.arch
Date : 13. Nov 2024, 01:32:20
Autres entêtes
Organisation : Rocksolid Light
Message-ID : <664f99789a7cf0d81c92c6d637dacc5a@www.novabbs.org>
References : 1 2 3 4 5 6 7 8 9
User-Agent : Rocksolid Light
On Tue, 12 Nov 2024 22:21:37 +0000, Brett wrote:

MitchAlsup1 <mitchalsup@aol.com> wrote:

>
My 1-wide machine fetches 4-words per cycle.
>
A two wide machine only adds a AGU and can do a load and math the same
cycle, so how much bigger is that?
Data path--only forwarding increases.
PARSE and DECODE grow by 2.5×
Register file grows by 25%

Date Sujet#  Auteur
23 Oct 24 * Reverse engineering of Intel branch predictors34Thomas Koenig
23 Oct 24 +* Re: Reverse engineering of Intel branch predictors24MitchAlsup1
28 Oct 24 i`* Re: Reverse engineering of Intel branch predictors23Stefan Monnier
5 Nov 24 i `* Re: Reverse engineering of Intel branch predictors22MitchAlsup1
11 Nov 24 i  +* Re: Reverse engineering of Intel branch predictors2Thomas Koenig
11 Nov 24 i  i`- Re: Reverse engineering of Intel branch predictors1MitchAlsup1
11 Nov 24 i  `* Re: Reverse engineering of Intel branch predictors19Stefan Monnier
11 Nov 24 i   `* Re: Reverse engineering of Intel branch predictors18MitchAlsup1
11 Nov 24 i    `* Re: Reverse engineering of Intel branch predictors17Stefan Monnier
12 Nov 24 i     `* Re: Reverse engineering of Intel branch predictors16MitchAlsup1
12 Nov 24 i      +* Re: Reverse engineering of Intel branch predictors13Stefan Monnier
12 Nov 24 i      i`* Re: Reverse engineering of Intel branch predictors12MitchAlsup1
12 Nov 24 i      i +* Re: Reverse engineering of Intel branch predictors7Stefan Monnier
13 Nov 24 i      i i`* Re: Reverse engineering of Intel branch predictors6Terje Mathisen
13 Nov 24 i      i i `* Re: Reverse engineering of Intel branch predictors5Stefan Monnier
13 Nov 24 i      i i  `* Re: Reverse engineering of Intel branch predictors4Thomas Koenig
13 Nov 24 i      i i   +* Re: Reverse engineering of Intel branch predictors2Stefan Monnier
14 Nov 24 i      i i   i`- Re: Reverse engineering of Intel branch predictors1Thomas Koenig
14 Nov 24 i      i i   `- Interpreters and indirect-branch prediction (was: Reverse ...)1Anton Ertl
13 Nov 24 i      i `* Interpreters and indirect-branch prediction4Anton Ertl
13 Nov 24 i      i  `* Re: Interpreters and indirect-branch prediction3MitchAlsup1
13 Nov 24 i      i   `* Re: Interpreters and indirect-branch prediction2BGB
14 Nov 24 i      i    `- Re: Interpreters and indirect-branch prediction1BGB
12 Nov 24 i      `* Re: Reverse engineering of Intel branch predictors2Brett
13 Nov 24 i       `- Re: Reverse engineering of Intel branch predictors1MitchAlsup1
1 Nov 24 `* Re: Reverse engineering of Intel branch predictors9Waldek Hebisch
1 Nov 24  +- Re: Reverse engineering of Intel branch predictors1MitchAlsup1
5 Nov 24  `* Re: Reverse engineering of Intel branch predictors7Stefan Monnier
5 Nov 24   +- Re: Reverse engineering of Intel branch predictors1MitchAlsup1
8 Nov 24   `* Re: Reverse engineering of Intel branch predictors5Waldek Hebisch
8 Nov 24    +* Re: Reverse engineering of Intel branch predictors3MitchAlsup1
10 Nov 24    i`* Re: Reverse engineering of Intel branch predictors2Waldek Hebisch
10 Nov 24    i `- Re: Reverse engineering of Intel branch predictors1MitchAlsup1
11 Nov 24    `- Re: Reverse engineering of Intel branch predictors1Stefan Monnier

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