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 : 18. May 2025, 00:57:50
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <100b7pu$kn2g$2@dont-email.me>
References : 1 2 3 4 5 6 7 8 9
User-Agent : Pan/0.162 (Pokrosvk)
On Mon, 12 May 2025 22:35:57 -0000 (UTC), I wrote:
In other words, telling lies to the OS that the write has completed
when it hasn’t. This kind of thing can really stuff up filesystem
integrity guarantees.
What do you know, it turns out there is this feature, originally from
SCSI and part of NCQ, called “Force Unit Access” (FUA)
<
https://en.wikipedia.org/wiki/Disk_buffer#FUA>.
But do we really know that the drive vendors will honour this command
... ?
| Date | Sujet | # | | Auteur |
| 10 May 25 |  Is Parallel Programming Hard, And, If So, What Can You Do About It? | 91 | | Thomas Koenig |
| 11 May 25 |  Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 60 | | MitchAlsup1 |
| 11 May 25 |   Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 59 | | Al Kossow |
| 12 May 25 |  Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 58 | | Lawrence D'Oliveiro |
| 12 May 25 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 57 | | MitchAlsup1 |
| 12 May 25 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 56 | | 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? | 53 | | 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? | 49 | | 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? | 43 | | Anton Ertl |
| 13 May 25 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 42 | | Lawrence D'Oliveiro |
| 13 May 25 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 41 | | Stephen Fuld |
| 14 May 25 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 36 | | Lawrence D'Oliveiro |
| 14 May 25 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 33 | | Stephen Fuld |
| 18 May02:35 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 32 | | 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? | 25 | | MitchAlsup1 |
| 20 May00:33 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 24 | | MitchAlsup1 |
| 20 May01:36 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 23 | | Lawrence D'Oliveiro |
| 20 May06:16 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 22 | | BGB |
| 20 May15:49 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 20 | | 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? | 17 | | Lawrence D'Oliveiro |
| 21 May02:08 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 12 | | BGB |
| 21 May04:46 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 11 | | Lawrence D'Oliveiro |
| 21 May04:58 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 10 | | Stephen Fuld |
| 21 May18:19 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 9 | | Anton Ertl |
| 22 May03:19 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 7 | | George Neuner |
| 22 May07:51 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 6 | | BGB |
| 22 May13:12 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 5 | | Torbjorn Lindgren |
| 22 May18:39 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 4 | | BGB |
| 22 May23:41 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 3 | | Lawrence D'Oliveiro |
| 23 May00:36 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 2 | | BGB |
| 23 May15:21 | Re: the power of junk, Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | John Levine |
| 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? | 4 | | Waldek Hebisch |
| 23 May06:35 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 3 | | Lawrence D'Oliveiro |
| 23 May07:09 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 2 | | BGB |
| 23 May13:36 | Re: Is Parallel Programming Hard, And, If So, What Can You Do About It? | 1 | | MitchAlsup1 |
| 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 |