[Monetdb-developers] [Monetdb-checkins] MonetDB5/src/modules/mal algebraExtensions.mx, , 1.60, 1.61

Martin Kersten Martin.Kersten at cwi.nl
Tue Jul 28 20:53:42 CEST 2009


Should i restart the 400Mx400M experiment?

I see a lot of BBPtrims passing by

Stefan Manegold wrote:
> Update of /cvsroot/monetdb/MonetDB5/src/modules/mal
> In directory 23jxhf1.ch3.sourceforge.com:/tmp/cvs-serv1551/MonetDB5/src/modules/mal
> 
> Modified Files:
> 	algebraExtensions.mx 
> Log Message:
> 
> revive 1Gx1G by creating less partitions in the first step
> 
> 
> U algebraExtensions.mx
> Index: algebraExtensions.mx
> ===================================================================
> RCS file: /cvsroot/monetdb/MonetDB5/src/modules/mal/algebraExtensions.mx,v
> retrieving revision 1.60
> retrieving revision 1.61
> diff -u -d -r1.60 -r1.61
> --- algebraExtensions.mx	28 Jul 2009 17:01:05 -0000	1.60
> +++ algebraExtensions.mx	28 Jul 2009 18:45:50 -0000	1.61
> @@ -780,7 +780,6 @@
>  	}
>  	else
>  	{
> -		int n = 0;
>  		/* smaller exceeds L2
>  		 * => partition for L2 in n steps (depth-first) such that no step
>  		 *    generates more than 1024 new partitions per partition
> @@ -803,8 +802,10 @@
>  			parts <<= 1;
>  		}
>  @)
> -		n = ((p - 1) / 10) + 1;
> -		p /= n;
> +		p = p % 10;
> +		if (p == 0) {
> +			p = 10;
> +		}
>  		parts = 1 << p;
>  	}
>  
> 
> 
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