By: sr (nobody.delete@this.nowhere.com), September 8, 2021 8:56 am
Room: Moderated Discussions
dmcq (dmcq.delete@this.fano.co.uk) on September 8, 2021 8:22 am wrote:
> I know the Linux people say the sky will fall if one does that and it
> would involve a bit of trickery but it's certainly what I'd go for.
>
They probably still see nightmares about coloring pages and so on but nowadays they just double tag virtual caches with both virtual and physical tags and there isn't any difference for programming between them. It will just save power for every L1-cache access and make designs faster.
> I know the Linux people say the sky will fall if one does that and it
> would involve a bit of trickery but it's certainly what I'd go for.
>
They probably still see nightmares about coloring pages and so on but nowadays they just double tag virtual caches with both virtual and physical tags and there isn't any difference for programming between them. It will just save power for every L1-cache access and make designs faster.
| Topic | Posted By | Date |
|---|---|---|
| POWER10 SAP SD benchmark | anon2 | 2021/09/06 03:36 PM |
| POWER10 SAP SD benchmark | Daniel B | 2021/09/07 02:31 AM |
| "Cores" (and SPEC) | Rayla | 2021/09/07 07:51 AM |
| "Cores" (and SPEC) | anon | 2021/09/07 03:56 PM |
| POWER10 SAP SD benchmark | Anon | 2021/09/07 03:24 PM |
| POWER10 SAP SD benchmark | Anon | 2021/09/07 03:27 PM |
| Virtually tagged L1-caches | sr | 2021/09/08 05:49 AM |
| Virtually tagged L1-caches | dmcq | 2021/09/08 08:22 AM |
| Virtually tagged L1-caches | sr | 2021/09/08 08:56 AM |
| Virtually tagged L1-caches | Hugo Décharnes | 2021/09/08 08:58 AM |
| Virtually tagged L1-caches | sr | 2021/09/08 10:09 AM |
| Virtually tagged L1-caches | Hugo Décharnes | 2021/09/08 10:46 AM |
| Virtually tagged L1-caches | sr | 2021/09/08 11:35 AM |
| Virtually tagged L1-caches | Hugo Décharnes | 2021/09/08 12:23 PM |
| Virtually tagged L1-caches | sr | 2021/09/08 12:40 PM |
| Virtually tagged L1-caches | anon | 2021/09/09 03:16 AM |
| Virtually tagged L1-caches | Konrad Schwarz | 2021/09/10 05:19 AM |
| Virtually tagged L1-caches | Hugo Décharnes | 2021/09/10 06:59 AM |
| Virtually tagged L1-caches | anon | 2021/09/14 03:17 AM |
| Virtually tagged L1-caches | dmcq | 2021/09/14 09:34 AM |
| Or use a PLB (NT) | Paul A. Clayton | 2021/09/14 09:45 AM |
| Or use a PLB | Linus Torvalds | 2021/09/14 03:27 PM |
| Or use a PLB | anon | 2021/09/15 12:15 AM |
| Or use a PLB | Michael S | 2021/09/15 03:21 AM |
| Or use a PLB | dmcq | 2021/09/15 03:42 PM |
| Or use a PLB | Konrad Schwarz | 2021/09/16 04:24 AM |
| Or use a PLB | Michael S | 2021/09/16 10:13 AM |
| Or use a PLB | --- | 2021/09/16 01:02 PM |
| PLB reference | Paul A. Clayton | 2021/09/18 02:35 PM |
| PLB reference | Michael S | 2021/09/18 04:14 PM |
| Demand paging/translation orthogonal | Paul A. Clayton | 2021/09/19 07:33 AM |
| Demand paging/translation orthogonal | Michael S | 2021/09/19 09:10 AM |
| PLB reference | Carson | 2021/09/20 10:19 PM |
| PLB reference | sr | 2021/09/20 06:02 AM |
| PLB reference | Michael S | 2021/09/20 07:03 AM |
| PLB reference | Linus Torvalds | 2021/09/20 12:10 PM |
| Or use a PLB | sr | 2021/09/20 04:32 AM |
| Or use a PLB | sr | 2021/09/21 09:36 AM |
| Or use a PLB | Linus Torvalds | 2021/09/21 10:04 AM |
| Or use a PLB | sr | 2021/09/21 10:48 AM |
| Or use a PLB | Linus Torvalds | 2021/09/21 01:55 PM |
| Or use a PLB | sr | 2021/09/22 06:55 AM |
| Or use a PLB | rwessel | 2021/09/22 07:09 AM |
| Or use a PLB | Linus Torvalds | 2021/09/22 11:50 AM |
| Or use a PLB | sr | 2021/09/22 01:00 PM |
| Or use a PLB | dmcq | 2021/09/22 04:07 PM |
| Or use a PLB | Etienne Lorrain | 2021/09/23 08:50 AM |
| Or use a PLB | anon2 | 2021/09/22 04:09 PM |
| Or use a PLB | dmcq | 2021/09/23 02:35 AM |
| Or use a PLB | ⚛ | 2021/09/23 09:37 AM |
| Or use a PLB | Linus Torvalds | 2021/09/23 12:01 PM |
| Or use a PLB | gpd | 2021/09/24 03:59 AM |
| Or use a PLB | Linus Torvalds | 2021/09/24 10:45 AM |
| Or use a PLB | dmcq | 2021/09/24 12:43 PM |
| Or use a PLB | sr | 2021/09/25 10:19 AM |
| Or use a PLB | Linus Torvalds | 2021/09/25 10:44 AM |
| Or use a PLB | sr | 2021/09/25 11:11 AM |
| Or use a PLB | Linus Torvalds | 2021/09/25 11:31 AM |
| Or use a PLB | sr | 2021/09/25 11:52 AM |
| Or use a PLB | Linus Torvalds | 2021/09/25 12:05 PM |
| Or use a PLB | sr | 2021/09/25 12:23 PM |
| Or use a PLB | rwessel | 2021/09/25 03:29 PM |
| Or use a PLB | sr | 2021/10/01 12:22 AM |
| Or use a PLB | rwessel | 2021/10/01 06:19 AM |
| Or use a PLB | David Hess | 2021/10/01 10:35 AM |
| Or use a PLB | rwessel | 2021/10/02 04:47 AM |
| Or use a PLB | sr | 2021/10/02 11:16 AM |
| Or use a PLB | rwessel | 2021/10/02 11:53 AM |
| Or use a PLB | Linus Torvalds | 2021/09/25 11:57 AM |
| Or use a PLB | sr | 2021/09/25 12:07 PM |
| Or use a PLB | Linus Torvalds | 2021/09/25 12:21 PM |
| Or use a PLB | sr | 2021/09/25 12:40 PM |
| Or use a PLB | nksingh | 2021/09/27 09:07 AM |
| Or use a PLB | ⚛ | 2021/09/27 09:02 AM |
| Or use a PLB | Linus Torvalds | 2021/09/27 10:20 AM |
| Or use a PLB | Linus Torvalds | 2021/09/27 12:58 PM |
| Or use a PLB | dmcq | 2021/09/28 10:59 AM |
| Or use a PLB | sr | 2021/09/25 10:34 AM |
| Or use a PLB | rwessel | 2021/09/25 03:44 PM |
| Or use a PLB | sr | 2021/10/01 01:04 AM |
| Or use a PLB | rwessel | 2021/10/01 06:33 AM |
| I386 segmentation highlights | sr | 2021/10/04 07:53 AM |
| I386 segmentation highlights | Adrian | 2021/10/04 09:53 AM |
| I386 segmentation highlights | sr | 2021/10/04 10:19 AM |
| I386 segmentation highlights | rwessel | 2021/10/04 04:57 PM |
| I386 segmentation highlights | sr | 2021/10/05 11:16 AM |
| I386 segmentation highlights | Michael S | 2021/10/05 12:27 PM |
| I386 segmentation highlights | rwessel | 2021/10/05 04:20 PM |
| Or use a PLB | JohnG | 2021/09/25 10:18 PM |
| Or use a PLB | ⚛ | 2021/09/27 07:37 AM |
| Or use a PLB | Heikki Kultala | 2021/09/28 03:53 AM |
| Or use a PLB | rwessel | 2021/09/28 07:29 AM |
| Or use a PLB | David Hess | 2021/09/23 06:00 PM |
| Or use a PLB | Adrian | 2021/09/24 01:21 AM |
| Or use a PLB | dmcq | 2021/09/25 12:41 PM |
| Or use a PLB | blaine | 2021/09/26 11:19 PM |
| Or use a PLB | David Hess | 2021/09/27 11:35 AM |
| Or use a PLB | blaine | 2021/09/27 05:19 PM |
| Or use a PLB | Adrian | 2021/09/27 10:40 PM |
| Or use a PLB | Adrian | 2021/09/27 10:59 PM |
| Or use a PLB | dmcq | 2021/09/28 07:45 AM |
| Or use a PLB | rwessel | 2021/09/28 07:45 AM |
| Or use a PLB | David Hess | 2021/09/28 12:50 PM |
| Or use a PLB | Etienne Lorrain | 2021/09/30 01:25 AM |
| Or use a PLB | David Hess | 2021/10/01 10:40 AM |
| MMU privileges | sr | 2021/09/21 11:07 AM |
| MMU privileges | Linus Torvalds | 2021/09/21 01:49 PM |
| Virtually tagged L1-caches | Konrad Schwarz | 2021/09/16 04:18 AM |
| Virtually tagged L1-caches | Carson | 2021/09/16 01:12 PM |
| Virtually tagged L1-caches | anon2 | 2021/09/16 05:16 PM |
| Virtually tagged L1-caches | rwessel | 2021/09/16 06:29 PM |
| Virtually tagged L1-caches | sr | 2021/09/20 04:20 AM |
| Virtually tagged L1-caches | --- | 2021/09/08 02:28 PM |
| Virtually tagged L1-caches | anonymou5 | 2021/09/08 08:28 PM |
| Virtually tagged L1-caches | anonymou5 | 2021/09/08 08:34 PM |
| Virtually tagged L1-caches | --- | 2021/09/09 10:14 AM |
| Virtually tagged L1-caches | anonymou5 | 2021/09/09 10:44 PM |
| Multi-threading? | David Kanter | 2021/09/09 09:32 PM |
| Multi-threading? | --- | 2021/09/10 09:19 AM |
| Virtually tagged L1-caches | sr | 2021/09/11 01:19 AM |
| Virtually tagged L1-caches | sr | 2021/09/11 01:36 AM |
| Virtually tagged L1-caches | --- | 2021/09/11 09:53 AM |
| Virtually tagged L1-caches | sr | 2021/09/12 12:43 AM |
| Virtually tagged L1-caches | Linus Torvalds | 2021/09/12 11:10 AM |
| Virtually tagged L1-caches | sr | 2021/09/12 11:57 AM |
| Virtually tagged L1-caches | dmcq | 2021/09/13 08:31 AM |
| Virtually tagged L1-caches | sr | 2021/09/20 04:11 AM |
| Virtually tagged L1-caches | sr | 2021/09/11 02:49 AM |
| Virtually tagged L1-caches | Linus Torvalds | 2021/09/08 12:34 PM |
| Virtually tagged L1-caches | dmcq | 2021/09/09 02:46 AM |
| Virtually tagged L1-caches | dmcq | 2021/09/09 02:58 AM |
| Virtually tagged L1-caches | sr | 2021/09/11 01:29 AM |
| Virtually tagged L1-caches | dmcq | 2021/09/11 08:59 AM |
| Virtually tagged L1-caches | sr | 2021/09/12 12:57 AM |
| Virtually tagged L1-caches | dmcq | 2021/09/12 08:44 AM |
| Virtually tagged L1-caches | sr | 2021/09/12 09:48 AM |
| Virtually tagged L1-caches | dmcq | 2021/09/12 01:22 PM |
| Virtually tagged L1-caches | sr | 2021/09/20 04:40 AM |
| Where do you see this information? (NT) | anon2 | 2021/09/09 02:45 AM |
| Where do you see this information? | sr | 2021/09/11 01:40 AM |
| Where do you see this information? | anon2 | 2021/09/11 01:53 AM |
| Where do you see this information? | sr | 2021/09/11 02:08 AM |
| Thank you (NT) | anon2 | 2021/09/11 04:31 PM |