On Fri, May 17, 2013 at 4:19 PM, Ian Lynagh wrote:

Why not put it on http://hackage.haskell.org/trac/ghc/wiki/Commentary/Rts/STM ? If you sign up for an account on the trac then you should be able to edit that page.

Sure, I wanted to make sure that anyone who wanted had a chance to review it before it ends up somewhere official :D. Ryan

you have access to hardware for testing HTM? I thought haswell wasn't publicly available yet... On Mon, May 20, 2013 at 10:31 AM, Ryan Yates wrote:

Thanks! I'll work on getting it onto the wiki soon. My next step is to apply hardware transactions to improve STM performance. For this I will need to collect some meaningful STM benchmarks. If anyone has some particular use cases or code where they would like to see improved STM performance on I would love to know. There are several potential improvements to the existing STM performance that I will also investigate along the way.

Ryan

On Mon, May 20, 2013 at 10:04 AM, Simon Peyton-Jones < simonpj@microsoft.com> wrote:

...

Ryan****

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Great stuff. What you have is almost certainly more accurate, complete, and up to date than anything else we have, so thank you. As others have said, putting it on the GHC wiki would be much the best place.****

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Perhaps here: http://hackage.haskell.org/trac/ghc/wiki/Commentary/Rts/STM ****

** **

Simon****

* *

*Microsoft Research Limited (company number 03369488) is registered in England and Wales*

*Registered office 21 Station Road, Cambridge, CB1 2FB ***

** **

*From:* ghc-devs-bounces@haskell.org [mailto:ghc-devs-bounces@haskell.org] *On Behalf Of *Ryan Yates *Sent:* 17 May 2013 21:06 *To:* ghc-devs@haskell.org *Cc:* Michael L. Scott *Subject:* STM Commentary****

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Hi all,****

** **

For a while now I've been working on understanding GHC's STM implementation and I finally have something to share. I've written a commentary on the implementation which can be found here:****

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http://fryguybob.github.io/STM-Commentary/****

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The source is here:****

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https://github.com/fryguybob/STM-Commentary/****

** **

It still could use a bit of polish and I would love to hear about any missing details, confusion, or misunderstandings. My goal in writing this was to fill in the gap found here http://hackage.haskell.org/trac/ghc/wiki/Commentary/Rts/STM. I happy to have it live where it is most appropriate. If anyone has opinions on that, let me know.****

** **

Any comments are welcome, it may be easiest to just comment on the source directly on Github, but I will, of course, take feedback in any form.****

** **

Thanks,****

** **

Ryan Yates****

** **

** **

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The document now lives on the wiki: http://hackage.haskell.org/trac/ghc/wiki/Commentary/Rts/STM Ryan On Mon, May 20, 2013 at 10:04 AM, Simon Peyton-Jones wrote:

Ryan****

** **

Great stuff. What you have is almost certainly more accurate, complete, and up to date than anything else we have, so thank you. As others have said, putting it on the GHC wiki would be much the best place.****

** **

Perhaps here: http://hackage.haskell.org/trac/ghc/wiki/Commentary/Rts/STM* ***

** **

Simon****

* *

*Microsoft Research Limited (company number 03369488) is registered in England and Wales*

*Registered office 21 Station Road, Cambridge, CB1 2FB ***

** **

*From:* ghc-devs-bounces@haskell.org [mailto:ghc-devs-bounces@haskell.org] *On Behalf Of *Ryan Yates *Sent:* 17 May 2013 21:06 *To:* ghc-devs@haskell.org *Cc:* Michael L. Scott *Subject:* STM Commentary****

** **

Hi all,****

** **

For a while now I've been working on understanding GHC's STM implementation and I finally have something to share. I've written a commentary on the implementation which can be found here:****

** **

http://fryguybob.github.io/STM-Commentary/****

** **

The source is here:****

** **

https://github.com/fryguybob/STM-Commentary/****

** **

It still could use a bit of polish and I would love to hear about any missing details, confusion, or misunderstandings. My goal in writing this was to fill in the gap found here http://hackage.haskell.org/trac/ghc/wiki/Commentary/Rts/STM. I happy to have it live where it is most appropriate. If anyone has opinions on that, let me know.****

** **

Any comments are welcome, it may be easiest to just comment on the source directly on Github, but I will, of course, take feedback in any form.****

** **

Thanks,****

** **

Ryan Yates****

** **

** **