Re: [Rd] FFT

2005-10-08 Thread Prof Brian Ripley
On Fri, 7 Oct 2005, Jennifer Lai wrote: >Is FFT implemented in R takes advantage of multi-processors? > I ran this benchmark from from http://www.sciviews.org, and AMD Opteron > 2.2 GHz performs better than AMD Opteron 1.8 GHz on all test cases, > except FFT operation. > Both machines run same

[Rd] FFT

2005-10-07 Thread Jennifer Lai
Hi, Is FFT implemented in R takes advantage of multi-processors? I ran this benchmark from from http://www.sciviews.org, and AMD Opteron 2.2 GHz performs better than AMD Opteron 1.8 GHz on all test cases, except FFT operation. Both machines run same OSs (RedHat WS 3) and 2.2 GHz has more memo