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2
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2answers
76 views
Integer arithmetic support on future HPC systems
I writing some robust geometric algorithms using quantization + integer arithmetic for evaluating exact predicates. However, since BlueGene's integer support is so terrible, it occurred to me that ...
7
votes
2answers
152 views
Literature references for modeling current and future energy costs of floating-point operations and data transfers
I am searching for the most important literature and slide references for modeling current and future energy costs of floating-point operations and data transfers across the CPU, memory, network, and ...
3
votes
3answers
318 views
What are the current obstacles to reaching exascale computing?
I have heard that one of the current goals in scientific computing is to surpass the exascale level by 2018 or so... After having passed the petascale a few years ago, one would think that the ...
26
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5answers
738 views
Is algorithmic analysis by flop-counting obsolete?
In my numerical analysis courses, I learned to analyze the efficiency of algorithms by counting the number of floating-point operations (flops) they require, relative to the size of the problem. For ...
