Over at The Exascale Report, Alinea CTO David Lecomber writes that new, innovative approaches could lead to the extreme-scale development tools needed for Exascale machines.
A challenge for the future is to ensure that tool performance is maintained. The extra nodes are probably not the greatest challenge: the tree architecture in Allinea DDT can handle that. The primary concern will be to ensure that the step-change in chip-level parallelism is handled well by the tools and that will lead to interesting questions for chip and device vendors and for the operating systems developers as well as tool vendors.
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