Mersenne: Large memory pages in Linux

2003-12-23 Thread Nick Craig-Wood
On Wed, Dec 10, 2003 at 06:26:54PM +, Nick Craig-Wood wrote: I'm in the process of writing (not quite finished or working ;-) some code which you load as an LD_PRELOAD library under linux. This gets its fingers into the memory allocation, and makes all malloc space come from hugetlbfs

Mersenne Digest V1 #1098

2003-12-23 Thread Mersenne Digest
Mersenne Digest Tuesday, December 23 2003 Volume 01 : Number 1098 -- Date: Sat, 13 Dec 2003 13:48:51 + From: Brian J. Beesley [EMAIL PROTECTED] Subject: Mersenne: Another thought on the L-L Test Hi, Another

Mersenne: Re: Large memory pages in Linux

2003-12-23 Thread Matthias Waldhauer
For a TLB aware client like Prime95 the improvements are small as expected. But I'm sure that speedups greater than ~2.5% are possible by modifying the FFTs to make optimal use of large pages. For most FFT sizes currently in use the available number of 2/4MB TLB entries cover the complete