[GiNaC-list] Re: regression in handling non-commutative objects

[Jens Vollinga]

Hi,

Sheplyakov Alexei schrieb:
> Hello!
> 
> On Wed, Sep 12, 2007 at 03:14:02PM +0200, Jens Vollinga wrote:
>  
>> it's one of Chris' patches for dummy indices renaming that introduced 
>> that slowdown.
> 
> I don't quite understand. The expression in question has no indices at all.

Chris' patch from 21 Aug 2006 that is labeled  "Made also ncmuls rename 
dummy indices." introduces the slowdown.

>> At the moment I am not sure which one.
> 
> This one:
> 
> commit 9507ddbf35326a15e98428f81b095d300b1a84cc
> Author: Chris Dams <Chris.Dams at mi.infn.it>
> Date:   Mon Aug 21 14:59:11 2006 +0000
> 
> Reverting it removes the slowdown.
> 
> Best regards,
>  Alexei

Now I am confused! What should that text tell me? It is no CVS log. Is 
it an excerpt from a private conversation? A private git commit?!?

Regards,
Jens