This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: How to detect whether we're inside of a loop??

From: Joe Buck <jbuck at synopsys dot com>
To: Geoff Keating <geoffk at geoffk dot org>
Cc: ghazi at caip dot rutgers dot edu, gcc at gcc dot gnu dot org
Date: Wed, 9 Apr 2003 16:58:22 -0700
Subject: Re: How to detect whether we're inside of a loop??
References: <200304082013.QAA17265@caip.rutgers.edu> <jmbrzfh6kc.fsf@desire.geoffk.org> <200304092056.QAA02147@caip.rutgers.edu> <200304092330.h39NU0C19980@desire.geoffk.org>

On Wed, Apr 09, 2003 at 04:30:00PM -0700, Geoff Keating wrote:
> No, not really.  For instance, a little-known fact is that the average
> number of iterations for a loop is about 1.5; someone did some
> analysis on some huge collection of programs and this is the number
> they came up with.  So it's important to know *which* loops to look
> at.

Well, this depends: the number is substantially higher for scientific
codes, and is a good deal higher (for example) in SPECfp (for various
years) than SPECint.

References:
- How to detect whether we're inside of a loop??
  - From: Kaveh R. Ghazi
- Re: How to detect whether we're inside of a loop??
  - From: Geoff Keating
- Re: How to detect whether we're inside of a loop??
  - From: Kaveh R. Ghazi
- Re: How to detect whether we're inside of a loop??
  - From: Geoff Keating

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]