g. venkataramani, i. doudalis, y. solihin, m. prvulovic hpca ’08 reading group presentation...
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So, make hardware for it ◦ Multiple examples: Raksha, Minos, etc ◦ Fast ◦ Can deal with strange codes that trouble S/W ◦ Extensive modifications in the OoO core, caches, buses, memories required ◦ Limit the state which can be manipulated, usually to a few bits, easily managed by H/W ◦ So, who is going to implement it? Solution: FlexiTaint ◦ Use H/W to accelerate what the S/W is doing Common Case Propagation, and metadata manipulation