Re: Mersenne: Re: Large memory pages in Linux

2003-12-24 Thread Brian J. Beesley
On Tuesday 23 December 2003 20:15, Matthias Waldhauer wrote: Last friday I read some messages about recent kernel modifications and patches for version 2.6.0. There is an imcplicit_large_page patch, allowing applications to use large pages without modifications. I don't have the time to dig

Re: Mersenne: Re: Large memory pages in Linux

2003-12-24 Thread Nick Craig-Wood
On Tue, Dec 23, 2003 at 09:15:46PM +0100, Matthias Waldhauer wrote: For a TLB aware client like Prime95 the improvements are small as expected. Kudos to George ;-) But I'm sure that speedups greater than ~2.5% are possible by modifying the FFTs to make optimal use of large pages. I'd love