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Glenn Tarbox (Owner of cuda1, AMD K10 with NVIDA CUDA card - expert on large scale parallelisation) * What are the top level integration issues, e.g. by libraries using MPIR Michael Abshoff (Sage release manager) * Link into Sage via cython and link in CUDA |
MPIR - Parallel Algorithms and CUDA
Present : Carl Witty, Bill Hart, Michael Abshoff, Glenn Tarbox Virtually Present : Jeff Gilchrist, Gonzalo Tornaria
You can chat in a Linux text console by installing "irssi" and running: "irssi -c irc.freenode.net" and then type "/join #sage-devel"
Parallel algorithms:
- Multimodular algorithms
- Scalar algorithms
Peter Montgomery's remainder algorithm a mod b, precompute b1 = B mod b, b2 = B2 mod b, b3 = B3 mod b, then write a = a0 + a1*B + a2*B^2 +..., then compute a0 + a1*b1 + a2*b2 +.... and do final reduction mod b. Multiplications can be done in parallel.
- Addition and subtraction can be parallelised using nails - non-unique representation of numbers
Glenn Tarbox (Owner of cuda1, AMD K10 with NVIDA CUDA card - expert on large scale parallelisation)
- What are the top level integration issues, e.g. by libraries using MPIR
Michael Abshoff (Sage release manager)
- Link into Sage via cython and link in CUDA