[Haskell-cafe] ANN: The Herbie GHC Plugin

Mike Izbicki mike at izbicki.me
Tue Sep 22 20:24:02 UTC 2015

Thanks :)

That's a good suggestion about not calling expressions improved when
they're not.  I've just pushed a new patch to the repo that fixes this

On Tue, Sep 22, 2015 at 12:48 PM, Edward Kmett <ekmett at gmail.com> wrote:
> Okay. Having gone through and chewed on a bunch of the optimizations it has
> found, I have to say I officially absolutely adore this plugin!
> It would be nice if it didn't report 'improved' expressions that are the
> same as the original, but everything else about it is amazing.
> -Edward
> On Tue, Sep 22, 2015 at 3:08 PM, Edward Kmett <ekmett at gmail.com> wrote:
>> In this case the primary concern would be that Herbie really needs to have
>> an install of racket as well to do its job right. Between that and a
>> database, there are a lot of things that aren't usually involved in a normal
>> GHC install.
>> -Edward
>> On Tue, Sep 22, 2015 at 2:08 PM, Elliot Cameron
>> <elliot.cameron at covenanteyes.com> wrote:
>>> Does GHC HQ consider the possibility of embedding/shipping plugins like
>>> this with normal releases?
>>> ________________________________
>>> From: Haskell-Cafe <haskell-cafe-bounces at haskell.org> on behalf of Edward
>>> Kmett <ekmett at gmail.com>
>>> Sent: Tuesday, September 22, 2015 1:39 PM
>>> To: mike at izbicki.me
>>> Cc: Haskell Cafe
>>> Subject: Re: [Haskell-cafe] ANN: The Herbie GHC Plugin
>>> Very nice!
>>> Now I just need to figure out how to extract the results of these
>>> analyses and see if I can understand and apply them manually to what
>>> libraries of mine are affected, so that folks who won't or can't run this
>>> plugin can derive the benefits.
>>> -Edward
>>> On Tue, Sep 22, 2015 at 11:17 AM, Mike Izbicki <mike at izbicki.me> wrote:
>>>> 80% of packages in stackage that contain floating point expressions
>>>> have numerically unstable expressions.  The Herbie GHC plugin
>>>> automatically makes these expressions numerically stable.
>>>> You can find the project on github at:
>>>> https://github.com/mikeizbicki/HerbiePlugin
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