Sujet : Re: Privilege Levels Below User
De : quadibloc (at) *nospam* servername.invalid (John Savard)
Groupes : comp.archDate : 11. Jun 2024, 20:30:10
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <9b9h6jtuengblsscovsh7qc652lmao4vt8@4ax.com>
References : 1 2 3 4 5 6 7
User-Agent : Forte Free Agent 3.3/32.846
On Tue, 11 Jun 2024 08:54:16 +0300, Niklas Holsti
<
niklas.holsti@tidorum.invalid> wrote:
Not always. If the mistakenly speculated cache-fetch /evicted/ some
other data from the (finite-sized) cache, and the evicted data are
needed later on the /true/ execution path, the mistakenly speculated
fetch has a /negative/ effect on performance. (This kind of "timing
anomaly" is very bothersome in static WCET analysis.)
Ouch. Another argument for having a victim cache. And a benefit of
doing it in what is apparently Mitch Alsup's way - holding off cache
updates until instruction retirement.
John Savard
Date | Sujet | # | | Auteur |
7 Jun 24 | Privilege Levels Below User | 119 | | John Savard |
7 Jun 24 | Re: Privilege Levels Below User | 1 | | MitchAlsup1 |
7 Jun 24 | Re: Privilege Levels Below User | 9 | | MitchAlsup1 |
9 Jun 24 | Re: Privilege Levels Below User | 8 | | John Savard |
10 Jun 24 | Re: Privilege Levels Below User | 7 | | Lawrence D'Oliveiro |
10 Jun 24 | Re: Privilege Levels Below User | 6 | | John Savard |
10 Jun 24 | Re: Privilege Levels Below User | 4 | | MitchAlsup1 |
11 Jun 24 | Re: Privilege Levels Below User | 2 | | John Savard |
11 Jun 24 | Re: Privilege Levels Below User | 1 | | Lawrence D'Oliveiro |
11 Jun 24 | Re: Privilege Levels Below User | 1 | | Lawrence D'Oliveiro |
11 Jun 24 | Re: Privilege Levels Below User | 1 | | Lawrence D'Oliveiro |
8 Jun 24 | Re: Privilege Levels Below User | 4 | | Lawrence D'Oliveiro |
8 Jun 24 | Re: Privilege Levels Below User | 1 | | John Dallman |
8 Jun 24 | Re: Not history, Privilege Levels Below User | 2 | | John Levine |
9 Jun 24 | Re: Not history, Privilege Levels Below User | 1 | | Lawrence D'Oliveiro |
8 Jun 24 | Re: Privilege Levels Below User | 66 | | MitchAlsup1 |
9 Jun 24 | Re: Privilege Levels Below User | 14 | | Lawrence D'Oliveiro |
9 Jun 24 | Re: Privilege Levels Below User | 1 | | David Schultz |
10 Jun 24 | Re: Privilege Levels Below User | 11 | | Lawrence D'Oliveiro |
11 Jun 24 | Re: Privilege Levels Below User | 1 | | Lawrence D'Oliveiro |
11 Jun 24 | Re: time-sharing history, Privilege Levels Below User | 9 | | John Levine |
12 Jun 24 | Re: time-sharing history, Privilege Levels Below User | 8 | | Lawrence D'Oliveiro |
12 Jun 24 | Re: time-sharing history, Privilege Levels Below User | 7 | | John Levine |
12 Jun 24 | Re: time-sharing history, Privilege Levels Below User | 1 | | Lawrence D'Oliveiro |
12 Jun 24 | Re: time-sharing history, Privilege Levels Below User | 5 | | Lynn Wheeler |
13 Jun 24 | Re: time-sharing history, Privilege Levels Below User | 4 | | Lawrence D'Oliveiro |
13 Jun 24 | Re: time-sharing history, Privilege Levels Below User | 3 | | Lynn Wheeler |
13 Jun 24 | Re: time-sharing history, Privilege Levels Below User | 2 | | Lawrence D'Oliveiro |
13 Jun 24 | Re: time-sharing history, Privilege Levels Below User | 1 | | Lynn Wheeler |
24 Oct 24 | Re: Privilege Levels Below User | 1 | | MitchAlsup1 |
9 Jun 24 | Re: Privilege Levels Below User | 2 | | Anton Ertl |
10 Jun 24 | Re: Privilege Levels Below User | 1 | | Lawrence D'Oliveiro |
10 Jun 24 | Re: Privilege Levels Below User | 8 | | Anton Ertl |
11 Jun 24 | Re: Privilege Levels Below User | 4 | | Lawrence D'Oliveiro |
12 Jun 24 | Re: Privilege Levels Below User | 1 | | Lawrence D'Oliveiro |
12 Jun 24 | Re: Privilege Levels Below User | 2 | | Thomas Koenig |
12 Jun 24 | Re: Privilege Levels Below User | 1 | | Lawrence D'Oliveiro |
11 Jun 24 | Re: Privilege Levels Below User | 3 | | Lawrence D'Oliveiro |
12 Jun 24 | Re: Privilege Levels Below User | 1 | | George Neuner |
12 Jun 24 | Re: Privilege Levels Below User | 1 | | John Dallman |
10 Jun 24 | Re: Privilege Levels Below User | 15 | | Terje Mathisen |
10 Jun 24 | Re: Privilege Levels Below User | 4 | | Michael S |
11 Jun 24 | Re: Privilege Levels Below User | 3 | | Lawrence D'Oliveiro |
11 Jun 24 | Re: Privilege Levels Below User | 2 | | MitchAlsup1 |
12 Jun 24 | Re: Privilege Levels Below User | 1 | | Lawrence D'Oliveiro |
11 Jun 24 | Re: Privilege Levels Below User | 5 | | Lawrence D'Oliveiro |
12 Jun 24 | Re: Privilege Levels Below User | 1 | | Lawrence D'Oliveiro |
13 Jun 24 | Re: Privilege Levels Below User | 3 | | MitchAlsup1 |
13 Jun 24 | Re: Privilege Levels Below User | 2 | | Lawrence D'Oliveiro |
13 Jun 24 | Re: Privilege Levels Below User | 1 | | Michael S |
11 Jun 24 | Re: Privilege Levels Below User | 5 | | Terje Mathisen |
11 Jun 24 | Re: Privilege Levels Below User | 4 | | Michael S |
12 Jun 24 | Re: Privilege Levels Below User | 1 | | Stefan Monnier |
13 Jun 24 | Re: Privilege Levels Below User | 2 | | Lawrence D'Oliveiro |
14 Jun 24 | Re: Privilege Levels Below User | 1 | | Lawrence D'Oliveiro |
14 Jun 24 | Re: Privilege Levels Below User | 26 | | Paul A. Clayton |
14 Jun 24 | Re: Privilege Levels Below User | 25 | | MitchAlsup1 |
14 Jun 24 | Re: Privilege Levels Below User | 4 | | Lawrence D'Oliveiro |
14 Jun 24 | Re: Privilege Levels Below User | 3 | | John Savard |
14 Jun 24 | Re: Privilege Levels Below User | 2 | | Lawrence D'Oliveiro |
15 Jun 24 | Re: Privilege Levels Below User | 1 | | John Dallman |
14 Jun 24 | Re: Privilege Levels Below User | 20 | | John Savard |
15 Jun 24 | Re: Privilege Levels Below User | 19 | | Thomas Koenig |
15 Jun 24 | Re: Privilege Levels Below User | 18 | | Lawrence D'Oliveiro |
15 Jun 24 | Re: Privilege Levels Below User | 3 | | Anton Ertl |
15 Jun 24 | Re: Privilege Levels Below User | 1 | | Thomas Koenig |
16 Jun 24 | Re: Privilege Levels Below User | 1 | | Lawrence D'Oliveiro |
15 Jun 24 | Re: Privilege Levels Below User | 14 | | John Dallman |
16 Jun 24 | Re: Privilege Levels Below User | 12 | | Lawrence D'Oliveiro |
16 Jun 24 | Re: Privilege Levels Below User | 11 | | Michael S |
16 Jun 24 | Re: Privilege Levels Below User | 10 | | Lawrence D'Oliveiro |
16 Jun 24 | Re: Privilege Levels Below User | 9 | | Michael S |
16 Jun 24 | Re: Privilege Levels Below User | 3 | | Thomas Koenig |
16 Jun 24 | Re: Privilege Levels Below User | 2 | | Michael S |
16 Jun 24 | Re: Privilege Levels Below User | 1 | | Terje Mathisen |
16 Jun 24 | Re: Privilege Levels Below User | 5 | | Lawrence D'Oliveiro |
16 Jun 24 | Re: Privilege Levels Below User | 4 | | Michael S |
16 Jun 24 | Re: Privilege Levels Below User | 1 | | Lawrence D'Oliveiro |
16 Jun 24 | Re: Privilege Levels Below User | 2 | | Torbjorn Lindgren |
17 Jun 24 | Re: Privilege Levels Below User | 1 | | Lawrence D'Oliveiro |
16 Jun 24 | Re: Privilege Levels Below User | 1 | | Robert Swindells |
8 Jun 24 | Re: Privilege Levels Below User | 7 | | BGB |
9 Jun 24 | Re: Privilege Levels Below User | 3 | | MitchAlsup1 |
9 Jun 24 | Re: Privilege Levels Below User | 2 | | BGB |
10 Jun 24 | Re: Privilege Levels Below User | 1 | | Lawrence D'Oliveiro |
10 Jun 24 | Re: Privilege Levels Below User | 3 | | Terje Mathisen |
10 Jun 24 | Re: Privilege Levels Below User | 2 | | Anton Ertl |
10 Jun 24 | Re: Privilege Levels Below User | 1 | | BGB |
8 Jun 24 | Re: Privilege Levels Below User | 1 | | Chris M. Thomasson |
9 Jun 24 | Re: Privilege Levels Below User | 2 | | John Savard |
11 Jun 24 | Re: Privilege Levels Below User | 1 | | Lawrence D'Oliveiro |
9 Jun 24 | Re: Privilege Levels Below User | 28 | | John Savard |
9 Jun 24 | Re: Privilege Levels Below User | 25 | | Anton Ertl |
9 Jun 24 | Re: Privilege Levels Below User | 24 | | John Savard |
9 Jun 24 | Re: Privilege Levels Below User | 1 | | MitchAlsup1 |
10 Jun 24 | Re: Privilege Levels Below User | 22 | | Anton Ertl |
10 Jun 24 | Re: Privilege Levels Below User | 1 | | MitchAlsup1 |
11 Jun 24 | Re: Privilege Levels Below User | 20 | | John Savard |
11 Jun 24 | Re: Privilege Levels Below User | 14 | | MitchAlsup1 |
11 Jun 24 | Re: Privilege Levels Below User | 3 | | MitchAlsup1 |
11 Jun 24 | Re: Privilege Levels Below User | 2 | | John Savard |
11 Jun 24 | Re: Privilege Levels Below User | 10 | | John Savard |
11 Jun 24 | Re: Privilege Levels Below User | 5 | | Niklas Holsti |
9 Jun 24 | Re: Privilege Levels Below User | 2 | | MitchAlsup1 |