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By: Gabriele Svelto (gabriele.svelto.delete@this.gmail.com), October 9, 2011 10:11 pm

Paul A. Clayton (paaronclayton@gmail.com) on 10/9/11 wrote:
---------------------------
>I am guessing that memory versioning might also be useful
>in supporting advanced multithreaded debugging (e.g., the
>ability to roll back multithreaded processing in a manner
>similar to what is possible with single-threaded debugging).
>
>Obviously, a mechanism's uses can be more broad than the
>use that provides the primary justification for
>implementing the mechanism.

Another use of memory versioning is in garbage collection where it can be used to implement some advanced techniques without the need for an expensive memory barrier inserted in every pointer access.

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Topic	Posted By	Date
On the UltraSPARC T4	Gabriele Svelto	09/27/11 01:32 PM
"perceptron-based" based branch predictor	Mark Roulo	09/27/11 02:17 PM
On the UltraSPARC T4	DaveC	09/27/11 02:22 PM
On the UltraSPARC T4	Gabriele Svelto	09/27/11 03:28 PM
On the UltraSPARC T4	DaveC	09/27/11 03:59 PM
TPC-H benchmark result	Michael S	09/27/11 03:44 PM
TPC-H benchmark result	Jesper Frimann	09/28/11 01:43 AM
TPC-H benchmark result	Michael S	09/28/11 02:39 AM
TPC-H benchmark result	Jesper Frimann	09/28/11 03:49 AM
TPC-H benchmark result	Gabriele Svelto	09/28/11 09:44 AM
TPC-H benchmark result	Phil	09/28/11 05:56 AM
TPC-H benchmark result	Michael S	09/28/11 06:23 AM
TPC-H benchmark result	someone	09/28/11 06:54 AM
TPC-H benchmark result	Jesper Frimann	09/28/11 07:39 AM
cracking benchmarks	anon	09/28/11 02:10 PM
cracking benchmarks	Jesper Frimann	09/28/11 09:39 PM
TPC-H is not a good benchmark	David Kanter	09/28/11 05:02 PM
TPC-H benchmark result	someone	09/28/11 06:50 AM
TPC-H benchmark result	Michael S	09/28/11 07:11 AM
TPC-H benchmark result - the high priced spread	blaine	09/28/11 07:22 PM
TPC-H benchmark result - the high priced spread	Jesper Frimann	09/28/11 09:41 PM
TPC-H benchmark result - the high priced spread-SPARC T4 still comes out ahead!	Phil	09/29/11 12:06 AM
TPC-H benchmark result - the high priced spread-SPARC T4 still comes out ahead!	Jesper Frimann	09/29/11 01:49 AM
TPC-H benchmark result - the high priced spread-SPARC T4 still comes out ahead!	Phil	09/29/11 02:13 AM
TPC-H benchmark result - the high priced spread-SPARC T4 still comes out ahead!	Jesper Frimann	09/29/11 03:24 AM
TPC-H benchmark result	AC	10/10/11 01:11 AM
TPC-H benchmark result	Jesper Frimann	10/10/11 02:24 AM
But woulnd't that make TPC-H meaningless? (NT)	Daniel Bizo	10/11/11 12:29 AM
not very meaningful already	Michael S	10/11/11 01:09 AM
OLTP vs. analytic DBMS	David Kanter	10/11/11 02:44 PM
software or hardware	sp4mysf	09/29/11 06:14 AM
On the UltraSPARC T4	Thu Nguyen	09/27/11 04:40 PM
On the UltraSPARC T4	Brett	09/27/11 08:21 PM
On the UltraSPARC T4	David Kanter	09/27/11 08:33 PM
On the UltraSPARC T4	anon	09/27/11 08:56 PM
TERA MTA	Mark Roulo	09/28/11 08:36 AM
TERA MTA	anon	09/28/11 03:11 PM
TERA MTA	Michael S	09/29/11 12:58 PM
TERA MTA	anon	09/29/11 01:46 PM
TERA MTA	Brett	09/29/11 02:33 PM
Are you sure?	Michael S	09/29/11 03:19 PM
Are you sure?	Brett	09/29/11 05:31 PM
I trust The Register more	Paul A. Clayton	09/30/11 10:15 AM
TERA MTA	mpx	09/30/11 05:33 AM
On the UltraSPARC T4	anon	09/27/11 08:28 PM
On the UltraSPARC T4	Phil	09/28/11 12:23 AM
On the UltraSPARC T4	David Kanter	09/28/11 12:57 AM
On the UltraSPARC T4	Gabriele Svelto	09/28/11 09:22 AM
Database clustering	David Kanter	09/28/11 04:55 PM
Database clustering	Phil	09/29/11 12:15 AM
Database clustering	David Kanter	09/29/11 09:12 AM
Database clustering	Alex Fatkulin	09/29/11 11:14 AM
Database clustering	David Kanter	09/29/11 09:11 PM
Database clustering	Anon	09/30/11 12:32 AM
Database clustering	David Kanter	09/30/11 01:23 AM
Database clustering	mpx	10/05/11 01:12 AM
Database clustering	Jesper Frimann	09/30/11 02:14 AM
Database clustering	Anon	09/30/11 10:14 PM
Database clustering	Jesper Frimann	10/01/11 04:24 AM
Database clustering	Anon	10/01/11 05:27 PM
Real system level : )	David Kanter	10/02/11 06:59 PM
Real system level : )	Anon	10/05/11 11:36 PM
Database clustering	anon	10/02/11 05:34 PM
Database clustering	Jesper Frimann	10/03/11 01:56 AM
Database clustering	anon	10/03/11 08:55 AM
Database clustering	anon	10/03/11 11:41 AM
Database clustering	Jesper Frimann	10/03/11 02:24 PM
Google...	EduardoS	10/03/11 03:24 PM
Google...	Aaron Spink	10/04/11 01:02 AM
Database clustering	anon	10/03/11 04:04 PM
Database clustering	Jesper Frimann	10/04/11 02:42 AM
Database clustering	anon	10/04/11 08:13 AM
Database clustering	EduardoS	10/04/11 08:29 AM
Database clustering	anon	10/04/11 08:45 AM
Database clustering	bakaneko	10/04/11 09:11 AM
Database clustering	Gabriele Svelto	10/04/11 10:39 AM
Database clustering	anon	10/04/11 10:51 AM
Database clustering	Gabriele Svelto	10/04/11 01:27 PM
Database clustering	anon	10/04/11 01:39 PM
Database clustering	Jesper Frimann	10/04/11 11:26 AM
Database clustering	anon	10/04/11 01:37 PM
Database clustering	anonymous	10/02/11 10:27 PM
Database clustering	mpx	10/01/11 04:40 AM
Database clustering	Alex Fatkulin	09/30/11 05:42 AM
Database clustering	Jesper Frimann	09/30/11 06:19 AM
Database clustering	Alex Fatkulin	09/30/11 06:33 AM
Database clustering	Jesper Frimann	09/30/11 08:44 AM
Database clustering	Alex Fatkulin	09/30/11 09:01 AM
Database clustering	Jesper Frimann	09/30/11 09:55 AM
Database clustering	Alex Fatkulin	09/30/11 10:07 AM
Database clustering	Jesper Frimann	09/30/11 11:11 AM
Database clustering	Alex Fatkulin	09/30/11 11:33 AM
Database clustering	Jesper Frimann	09/30/11 03:00 PM
Database clustering	anon	10/01/11 09:18 AM
Database clustering	Michael S	10/01/11 10:33 AM
Database clustering	Jesper Frimann	10/01/11 10:22 PM
Database clustering	Jesper Frimann	10/12/11 11:14 PM
Warning: Bad pun (no content)	Paul A. Clayton	10/12/11 11:32 PM
Good one *8^) (NT)	Jesper Frimann	10/12/11 11:56 PM
Database clustering	Alex Fatkulin	10/04/11 08:09 AM
Database clustering	Jesper Frimann	10/04/11 11:35 AM
Database clustering	Gabriele Svelto	10/04/11 01:40 PM
Database clustering	David Kanter	10/04/11 02:45 PM
Database clustering	Jesper Frimann	10/05/11 12:09 AM
Database clustering	EduardoS	09/30/11 02:13 PM
Database clustering	Alex Fatkulin	10/04/11 05:56 AM
Database clustering	mpx	09/30/11 10:39 AM
Database clustering	EduardoS	09/30/11 02:07 PM
Database clustering	Alex Fatkulin	10/04/11 06:01 AM
Database clustering	mpx	10/05/11 01:02 AM
Database clustering	Jesper Frimann	10/01/11 01:32 AM
Database clustering	mpx	09/30/11 12:20 AM
Database clustering	EduardoS	09/30/11 02:09 PM
TPC-C king	Michael S	09/28/11 02:31 AM
On the UltraSPARC T4	someone	09/28/11 11:23 AM
Flash vs. disk on SPECjEnterprise2010?	Paul A. Clayton	09/27/11 03:29 PM
Flash vs. disk on SPECjEnterprise2010?	Gabriele Svelto	09/27/11 10:23 PM
Flash vs. disk on SPECjEnterprise2010?	Jesper Frimann	09/28/11 12:04 AM
Flash vs. disk on SPECjEnterprise2010?	Phil	09/28/11 12:32 AM
Are you trolling?	David Kanter	09/28/11 01:07 AM
memory bandwidth clarification etc..	Michael S	09/28/11 02:23 AM
memory bandwidth clarification etc..	Jesper Frimann	09/28/11 04:13 AM
memory bandwidth clarification etc..	Phil	09/28/11 06:06 AM
memory bandwidth clarification etc..	Jesper Frimann	09/28/11 09:25 AM
There is one (another one)...	EduardoS	09/28/11 02:54 AM
There is one (another one)...	Michael S	09/28/11 03:59 AM
Are you trolling? Yes, trolling for substantiation!!	Phil	09/28/11 05:47 AM
Are you trolling? Yes, trolling for substantiation!!	Jesper Frimann	09/28/11 11:01 AM
Are you trolling? Yes, trolling for substantiation!!	Phil	09/29/11 12:26 AM
Are you trolling? Yes, trolling for substantiation!!	Jesper Frimann	09/29/11 02:27 AM
Are you trolling? Yes, trolling for substantiation!!	Phil	09/29/11 04:46 AM
Are you trolling? Yes, trolling for substantiation!!	David Kanter	09/28/11 05:15 PM
Are you trolling? Yes, trolling for substantiation!!	Phil	09/29/11 12:53 AM
Are you trolling? Yes, trolling for substantiation!!	Jesper Frimann	09/29/11 07:43 AM
Pricing	David Kanter	09/28/11 05:28 PM
Pricing	Jesper Frimann	09/28/11 09:56 PM
Pricing	Michael S	09/29/11 01:42 PM
T4 better at cryptographic workloads?	Paul A. Clayton	09/28/11 05:49 AM
T4 better at cryptographic workloads?	Gabriele Svelto	09/28/11 09:36 AM
T4 better at cryptographic workloads?	Jesper Frimann	09/28/11 11:10 AM
T4 better at cryptographic workloads?	Gabriele Svelto	09/28/11 12:56 PM
T4 better at cryptographic workloads?	Max	09/29/11 06:53 AM
Instruction- vs. coprocessor-based extensions	Paul A. Clayton	09/28/11 04:48 PM
Memory versioning?	anon	10/02/11 08:48 PM
Memory versioning?	David Kanter	10/02/11 09:31 PM
Memory versioning--not just for TM?	Paul A. Clayton	10/09/11 02:37 PM
Memory versioning--not just for TM?	Gabriele Svelto	10/09/11 10:11 PM
Memory versioning--not just for TM?	David Kanter	10/11/11 03:15 PM
Point well taken	David Kanter	09/28/11 05:18 PM
T4 better at cryptographic workloads?	EduardoS	09/28/11 05:36 PM
Are you trolling?	Gabriele Svelto	09/28/11 09:49 AM
An addendum on I/O	David Kanter	09/28/11 11:29 AM
An addendum on I/O	Phil	01/27/12 08:19 AM
An addendum on I/O	anon	01/27/12 11:04 AM
An addendum on I/O	David Kanter	01/27/12 03:47 PM
An addendum on I/O	Kira	01/27/12 04:23 PM
Meant POWER7 (NT)	David Kanter	01/27/12 06:55 PM
An addendum on I/O	Jesper Frimann	01/29/12 07:58 AM
Are you trolling?	anon	09/28/11 01:03 PM
Flash vs. disk on SPECjEnterprise2010?	mpx	09/29/11 01:05 AM
Well done!	David Kanter	09/27/11 07:10 PM
Well done!	Gabriele Svelto	09/27/11 10:39 PM
On the UltraSPARC T4	mpx	09/29/11 12:56 AM
How much memory it supports?	EduardoS	10/11/11 01:37 AM
How much memory it supports?	Michael S	10/11/11 04:14 AM
Big power miss on T4?	David Kanter	07/16/12 09:24 PM
Big power miss on T4?	Gabriele Svelto	07/17/12 11:26 PM
Big power miss on T4?	David Kanter	07/19/12 04:04 PM
Big power miss on T4?	Kira	07/19/12 05:44 PM
Big power miss on T4?	EduardoS	07/19/12 06:19 PM
Big power miss on T4?	Kira	07/19/12 09:37 PM
Big power miss on T4?	David Kanter	07/19/12 10:15 PM
T4->T5	blaine	07/21/12 08:39 AM
Big power miss on T4?	EduardoS	07/20/12 08:18 AM
Big power miss on T4?	mpx	07/20/12 01:26 AM
Big power miss on T4?	EduardoS	07/20/12 08:26 AM
Big power miss on T4?	Gabriele Svelto	07/21/12 12:38 AM

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Body:	No Text Gabriele Svelto (gabriele.svelto.delete@this.gmail.com) on October 9, 2011 10:11 pm wrote: > Paul A. Clayton (paaronclayton@gmail.com) on 10/9/11 wrote: > --------------------------- > >I am guessing that memory versioning might also be useful > >in supporting advanced multithreaded debugging (e.g., the > >ability to roll back multithreaded processing in a manner > >similar to what is possible with single-threaded debugging). > > > >Obviously, a mechanism's uses can be more broad than the > >use that provides the primary justification for > >implementing the mechanism. > > Another use of memory versioning is in garbage collection where it can be used to implement some advanced > techniques without the need for an expensive memory barrier inserted in every pointer access.
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