Changeset 3141


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Timestamp:
Apr 12, 2013, 7:23:22 PM (4 years ago)
Author:
mckinna
Message:

Rephrase Tullio's contribution... more work needed?

File:
1 edited

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  • Deliverables/D6.4-6.5/workshops.ltx

    r3139 r3141  
    4141In addition to his own technical talk, he took the opportunity to advertise, and solicit interest in, the recently formed COST Action IC1202 Timing Analysis and Cost-Level Estimation (TACLe), of which he is Chair. This offers very promising potential for future collaborations and the wider communication of results from \cerco{}.
    4242
    43 A common theme emerged from the shared sessions with QAPL, and in particular the invited talk there from prof. Alessandra di Pierro on \emph{probabilistic} timing analysis: the parametrisation of a given timing analysis with respect to different cost \emph{algebras}. In the case of probabilistic analyses, costs are taken with respect to given probability distributions, with \emph{expected} costs being computed. prof. Vartanegra's talk emphasised a radical approach to such analyses, by making assumptions about the processor/cache architecture to yield an essentially deterministic analysis.
     43A common theme emerged from the shared sessions with QAPL, and in particular the invited talk there from prof. Alessandra di Pierro on \emph{probabilistic} timing analysis: the parametrisation of a given timing analysis with respect to different cost \emph{algebras}. In the case of probabilistic analyses, costs are taken with respect to given probability distributions, with \emph{expected} costs being computed. prof. Vartanegra's talk emphasised a radical approach to such analyses, by making assumptions about the processor/cache architecture to yield an essentially predictable analysis.
    4444
    4545In the deterministic case studied in \cerco{}, we have taken a given, fixed, cost algebra of natural numbers (obtained from Siemens data-sheet clock timings) under addition, but already Tranquili's work on \emph{dependent labelling} suggests a move to computing costs in algebras of \emph{functions} (in the case of his analysis of loop unrolling, of cost expressions parametrised with respect to valuations of the loop index variables). The wider implications of such a move are yet to be explored.
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