Re: Loop jamming!?

Mike Kent <>
7 Aug 1997 15:18:50 -0400

          From comp.compilers

Related articles
[8 earlier articles]
Re: Loop jamming!? (1997-07-27)
Re: Loop jamming!? (1997-07-28)
Re: Loop jamming!? (Steve Simmons) (1997-07-29)
Re: Loop jamming!? (Stanley Chow) (1997-07-31)
Re: Loop jamming!? (Jan Vorbrueggen) (1997-07-31)
Re: Loop jamming!? (cliffc) (1997-08-07)
Re: Loop jamming!? (Mike Kent) (1997-08-07)
Re: Loop jamming!? (Stanley Chow) (1997-08-09)
| List of all articles for this month |

From: Mike Kent <>
Newsgroups: comp.compilers
Date: 7 Aug 1997 15:18:50 -0400
Organization: Entropy Mongers PLC
References: 97-07-089 97-07-102 97-07-108 97-07-118 97-07-132
Keywords: optimize, APL, Fortran

Jan Vorbrueggen wrote:
> Well, the the whole point of using f90's array operations is lost,
> isn't it? But I'm sure the APL/J crowd will point out to you that
> they did this type of optimization oh, three decades ago.

More like one decade; the IBM APL2 product did some loop fusion, on
mainframes with the Vector Facility. There was an IBM TR on the
speedups attributable to the VF; I think Harlan Crowder was one of
the authors.

// m

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