x10-developers

[X10-developers] TM implementation

[thanumalayan m. <mad...@gm...>]

Hi

Im beginning to work on a TM implementation that supports parallel
transactions in X10. Anybody knows if someone has already done this before?

Cheers,
Thanumalayan S

Re: [X10-developers] TM implementation

[Vijay S. <vi...@sa...>]

I have not heard of an implementation. We have talked of one, but no 
code yet. Which TM implementation are you planning to start with?

Best,
Vijay

thanumalayan mad wrote:
> Hi
>
> Im beginning to work on a TM implementation that supports parallel
> transactions in X10. Anybody knows if someone has already done this before?
>
> Cheers,
> Thanumalayan S
>
>   

Re: [X10-developers] TM implementation

[thanumalayan m. <mad...@gm...>]

We thought of having something like XConflict ("Nested Parallelism in
Transactional Memory" by Kunal Agrawal,Jeremy T. Fineman,Jim Sukha).... but
we havent really looked into the X10 run time code, and are not exactly sure
if it will fit in efficiently. What implementation has already been talked
about? ( PS: we wont be starting in 1-2 months, because of our exams.... )

Cheers,
Thanumalayan S

On Sat, Apr 12, 2008 at 5:32 AM, Vijay Saraswat <vi...@sa...> wrote:

> I have not heard of an implementation. We have talked of one, but no code
> yet. Which TM implementation are you planning to start with?
>
> Best,
> Vijay
> cau
>

Re: [X10-developers] TM implementation

[thanumalayan m. <mad...@gm...>]

Hi

The current implementation seems to translate atomic blocks directly
into java synchronized blocks - correct me if I am wrong, and this
seems to be something done in one xcd file. Would it be wise to write
some code for an actual TM implementation right now, or wait till some
other features of X10 are implemented? Any idea?

Regards,
Thanumalayan S

On 4/12/08, Vijay Saraswat <vi...@sa...> wrote:
> I have not heard of an implementation. We have talked of one, but no
> code yet. Which TM implementation are you planning to start with?
>
> Best,
> Vijay
>
> thanumalayan mad wrote:
> > Hi
> >
> > Im beginning to work on a TM implementation that supports parallel
> > transactions in X10. Anybody knows if someone has already done this
> before?
> >
> > Cheers,
> > Thanumalayan S
> >
> >
>
>
>

Re: [X10-developers] TM implementation

[Vijay S. <vsa...@us...>]

Correct, it translates atomic directly to a Java synchronized block which 
grabs a per-place lock. 

I cant see any reason why it would not be appropriate to begin an actual 
TM based implementation now. There are many programs already written in 
X10, e.g. Java Grande benchmarks. So you should be able to implement a 
TM-based scheme and evaluate on such benchmarks (or more you can write), 
and compare performance against the current base-line scheme. Hopefully 
the increase in performance is such as to warrant a good paper. 

Let me know if you need any help. 

Best,
Vijay



"thanumalayan mad" <mad...@gm...> 
Sent by: x10...@li...
04/26/2008 01:33 PM

To
"Vijay Saraswat" <vi...@sa...>
cc
x10...@li...
Subject
Re: [X10-developers] TM implementation






Hi

The current implementation seems to translate atomic blocks directly
into java synchronized blocks - correct me if I am wrong, and this
seems to be something done in one xcd file. Would it be wise to write
some code for an actual TM implementation right now, or wait till some
other features of X10 are implemented? Any idea?

Regards,
Thanumalayan S

On 4/12/08, Vijay Saraswat <vi...@sa...> wrote:
> I have not heard of an implementation. We have talked of one, but no
> code yet. Which TM implementation are you planning to start with?
>
> Best,
> Vijay
>
> thanumalayan mad wrote:
> > Hi
> >
> > Im beginning to work on a TM implementation that supports parallel
> > transactions in X10. Anybody knows if someone has already done this
> before?
> >
> > Cheers,
> > Thanumalayan S
> >
> >
>
>
>

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