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Re: Sleazy FPU optimization

To: port-i386%NetBSD.org@localhost
Subject: Re: Sleazy FPU optimization
From: Joerg Sonnenberger <joerg%britannica.bec.de@localhost>
Date: Mon, 11 Feb 2008 19:43:09 +0100

On Mon, Feb 11, 2008 at 05:27:16PM +0000, Matthias Scheler wrote:
> Linux 2.6.20 and above has an interesting optimization for lazy FPU
> context saving:

We've been discussing whether or not it is worth to do lazy FPU context
saving at all. Most programs will use the FPU on i386 anyway, e.g. if
printf is used. I'm not sure it will actually help.

Joerg

Follow-Ups:
- Re: Sleazy FPU optimization
  - From: Matthias Scheler
- Re: Sleazy FPU optimization
  - From: David Laight
- Re: Sleazy FPU optimization
  - From: Martin Husemann

References:
- Sleazy FPU optimization
  - From: Matthias Scheler

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