Basic HTML version of Foils prepared August 4 1996

Foil 14 PetaFlop Kernel:a),b)Unit and Large Stride Vector Fetch and Store

From Summary of Working Groups at PAWS and PetaSoft Meetings PAWS(Mandalay Beach) and PetSoft(Bodega Bay) -- April 23 and June 17-19,96. by Geoffrey C. Fox
1 In the first three kernels (a) (b) (c), n = 10^8; arrays are presumed appropriately dimensioned.
2 a). SAXPY loop
3 do i = 1, n
  • c(i) = 3.141592653589793 * a(i) + b(i)
4 enddo
5 b). Large-stride vector fetch and store
6 do i = 1, n
  • b(131*i) = a(131313*i)
7 enddo
in Table To:

Northeast Parallel Architectures Center, Syracuse University, npac@npac.syr.edu

If you have any comments about this server, send e-mail to webmaster@npac.syr.edu.

Page produced by wwwfoil on Sun Apr 11 1999