[Haskell] ANNOUNCE: GHC version 7.6.1

[Simon Marlow]

On 06/09/2012 21:10, Christian Hoener zu Siederdissen wrote:
> Hi Ian,
>
> thanks for the info about 7.8. Just to be clear, the new codegen
> apparently saved my runtimes for the presentation on tuesday. \My\ new
> code was slower than my old code. The new code generator fixed that,
> giving me equal running times with much cooler features. I currently
> assume (without having checked at all) due to dead variable elimination.
>
> So if it is getting better, I'd be really really happy.

Just to be clear - you're using -fnew-codegen, with GHC 7.6.1?

There were a handful of bugfixes to the new codegen path that didn't 
make it into 7.6.1, so I wouldn't rely on it.

Cheers,
	Simon


> Gruss,
> Christian
>
> * Ian Lynagh <ian at well-typed.com> [06.09.2012 22:00]:
>> On Thu, Sep 06, 2012 at 06:32:38PM +0200, Christian Hoener zu Siederdissen wrote:
>>> Awesome,
>>>
>>> I have been playing with GHC 7.6.0 until today and been very happy. Btw.
>>> isn't this the version that officially includes "-fnew-codegen" / HOOPL?
>>>
>>> Because the new codegen is optimizing the my ADPfusion library nicely.
>>> I lost 50% speed with new features, gained 100% with new codegen,
>>> meaning new features come for free ;-)
>>
>> I suspect that you'll find that the new codegen doesn't work 100%
>> perfectly in 7.6, although I don't know the details - perhaps it just
>> isn't as fast as it could be. It'll be the default in 7.8, though.
>>
>>
>> Thanks
>> Ian
>>
>>
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