Sujet : Re: Is Parallel Programming Hard, And, If So, What Can You Do About It?
De : ldo (at) *nospam* nz.invalid (Lawrence D'Oliveiro)
Groupes : comp.archDate : 23. May 2025, 23:19:45
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <100qsa0$9rn7$1@dont-email.me>
References : 1 2 3 4 5 6 7 8 9 10 11 12 13 14
User-Agent : Pan/0.162 (Pokrosvk)
On Fri, 23 May 2025 08:28:44 -0700, Stephen Fuld wrote:
And if you are caching writes, more cache gives you more blocks to
choose from when optimizing the write back order ...
Fun fact: It seems to be part of the spec that write cache reordering is
disabled if the driver is using NCQ.
Assuming drives pay attention to that part of the spec, of course.
See the description of the “wcreorder” setting here
<
https://manpages.debian.org/smartctl(8)>.
| Date | Sujet | # | | Auteur |
| 10 May 25 |  Is Parallel Programming Hard, And, If So, What Can You Do About It? | 102 | | Thomas Koenig |
| 11 May 25 |  Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 71 | | MitchAlsup1 |
| 11 May 25 |   Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 70 | | Al Kossow |
| 12 May 25 |  Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 69 | | Lawrence D'Oliveiro |
| 12 May 25 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 68 | | MitchAlsup1 |
| 12 May 25 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 67 | | Lawrence D'Oliveiro |
| 12 May 25 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 2 | | MitchAlsup1 |
| 12 May 25 |  Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | Lawrence D'Oliveiro |
| 12 May 25 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 64 | | Terje Mathisen |
| 12 May 25 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 3 | | Anton Ertl |
| 12 May 25 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | Lawrence D'Oliveiro |
| 13 May 25 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | Stephen Fuld |
| 12 May 25 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 60 | | Lawrence D'Oliveiro |
| 13 May 25 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 4 | | Stefan Monnier |
| 13 May 25 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 3 | | Lawrence D'Oliveiro |
| 13 May 25 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | Stefan Monnier |
| 13 May 25 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | Stephen Fuld |
| 13 May 25 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 54 | | Anton Ertl |
| 13 May 25 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 53 | | Lawrence D'Oliveiro |
| 13 May 25 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 52 | | Stephen Fuld |
| 14 May 25 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 43 | | Lawrence D'Oliveiro |
| 14 May 25 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 40 | | Stephen Fuld |
| 18 May02:35 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 39 | | Lawrence D'Oliveiro |
| 19 May01:10 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 6 | | Lynn Wheeler |
| 19 May21:46 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 5 | | Vir Campestris |
| 19 May22:58 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 4 | | Stephen Fuld |
| 20 May11:22 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | Vir Campestris |
| 21 May03:38 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 2 | | Lynn Wheeler |
| 21 May04:49 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | Stephen Fuld |
| 19 May01:18 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 32 | | MitchAlsup1 |
| 20 May00:33 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 31 | | MitchAlsup1 |
| 20 May01:36 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 30 | | Lawrence D'Oliveiro |
| 20 May06:16 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 29 | | BGB |
| 20 May15:49 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 27 | | Stefan Monnier |
| 20 May18:42 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 2 | | BGB |
| 20 May19:35 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | Stephen Fuld |
| 21 May01:29 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 24 | | Lawrence D'Oliveiro |
| 21 May02:08 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 19 | | BGB |
| 21 May04:46 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 18 | | Lawrence D'Oliveiro |
| 21 May04:58 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 17 | | Stephen Fuld |
| 21 May18:19 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 16 | | Anton Ertl |
| 22 May03:19 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 14 | | George Neuner |
| 22 May07:51 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 13 | | BGB |
| 22 May13:12 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 12 | | Torbjorn Lindgren |
| 22 May18:39 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 11 | | BGB |
| 22 May23:41 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 10 | | Lawrence D'Oliveiro |
| 23 May00:36 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 9 | | BGB |
| 23 May15:21 | Re: the power of junk, Is Parallel Programming Hard, And, If So, What Can You Do About It? | 6 | | John Levine |
| 23 May16:17 | Re: the power of junk, Is Parallel Programming Hard, And, If So, What Can You Do About It? | 3 | | MitchAlsup1 |
| 23 May17:57 | Re: the power of junk, Is Parallel Programming Hard, And, If So, What Can You Do About It? | 2 | | Stephen Fuld |
| 23 May18:43 | Re: the power of junk, Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | MitchAlsup1 |
| 23 May16:53 | Re: the power of junk, Is Parallel Programming Hard, And, If So, What Can You Do About It? | 2 | | BGB |
| 23 May18:34 | Re: the power of junk, Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | BGB |
| 23 May17:34 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 2 | | jseigh |
| 23 May17:39 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | BGB |
| 22 May12:32 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | Dan Cross |
| 21 May04:54 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 4 | | Stephen Fuld |
| 21 May06:39 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 3 | | Lawrence D'Oliveiro |
| 21 May07:42 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | Stephen Fuld |
| 21 May08:08 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | BGB |
| 21 May01:57 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | Lawrence D'Oliveiro |
| 14 May 25 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 2 | | John Levine |
| 14 May 25 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | Thomas Koenig |
| 23 May01:18 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 8 | | Waldek Hebisch |
| 23 May06:35 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 4 | | Lawrence D'Oliveiro |
| 23 May07:09 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 3 | | BGB |
| 23 May13:36 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 2 | | MitchAlsup1 |
| 23 May17:29 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | BGB |
| 23 May16:28 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 3 | | Stephen Fuld |
| 23 May22:03 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | Stefan Monnier |
| 23 May23:19 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | Lawrence D'Oliveiro |
| 18 May00:57 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | Lawrence D'Oliveiro |
| 19 May22:33 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 29 | | quadibloc |
| 20 May01:43 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 28 | | Lawrence D'Oliveiro |
| 20 May19:19 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 27 | | BGB |
| 20 May21:06 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 23 | | Stefan Monnier |
| 20 May23:11 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 20 | | MitchAlsup1 |
| 21 May01:34 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | Lawrence D'Oliveiro |
| 21 May02:00 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | Lawrence D'Oliveiro |
| 21 May02:30 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 8 | | George Neuner |
| 21 May02:39 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 7 | | Chris M. Thomasson |
| 21 May04:41 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 4 | | Lawrence D'Oliveiro |
| 21 May17:09 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | George Neuner |
| 21 May20:30 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 2 | | Stefan Monnier |
| 22 May03:45 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | Lawrence D'Oliveiro |
| 21 May18:06 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 2 | | Lynn Wheeler |
| 21 May22:32 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | jseigh |
| 21 May08:05 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 2 | | Anton Ertl |
| 22 May03:48 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | Lawrence D'Oliveiro |
| 21 May13:23 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 7 | | Stefan Monnier |
| 21 May15:08 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 6 | | MitchAlsup1 |
| 22 May03:49 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 5 | | Lawrence D'Oliveiro |
| 22 May18:34 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 3 | | MitchAlsup1 |
| 22 May23:42 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | Lawrence D'Oliveiro |
| 23 May02:54 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | MitchAlsup1 |
| 23 May04:47 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | George Neuner |
| 21 May01:32 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 2 | | Lawrence D'Oliveiro |
| 21 May02:29 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | Chris M. Thomasson |
| 21 May02:04 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 3 | | Chris M. Thomasson |
| 23 May00:49 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 2 | | Chris M. Thomasson |
| 23 May02:04 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | Chris M. Thomasson |
| 21 May02:31 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | Chris M. Thomasson |