PEGASUS DA framework for distributed program execution control based on application global states monitoring

2015 ◽  
Vol 27 (4) ◽  
pp. 1027-1053 ◽  
Author(s):  
Marek Tudruj ◽  
Janusz Borkowski ◽  
Damian Kopański ◽  
Eryk Laskowski ◽  
Łukasz Maśko ◽  
...  
Keyword(s):  
Program Execution ◽  
Global States

Distributed Program Execution Control Based on Application Global States Monitoring in PEGASUS DA Framework

2014 ◽  
pp. 302-314 ◽  
Author(s):  
Damian Kopański ◽  
Łukasz Maśko ◽  
Eryk Laskowski ◽  
Adam Smyk ◽  
Janusz Borkowski ◽  
...  
Keyword(s):  
Program Execution ◽  
Global States

Tracking P4 Program Execution in the Data Plane

2020 ◽  
Author(s):  
Suriya Kodeswaran ◽  
Mina Tahmasbi Arashloo ◽  
Praveen Tammana ◽  
Jennifer Rexford
Keyword(s):  
Program Execution ◽  
Data Plane

A Logically Justified Model of Computation I

1981 ◽  
Vol 4 (1) ◽  
pp. 151-172
Author(s):  
Pierangelo Miglioli ◽  
Mario Ornaghi
Keyword(s):  
Computer Science ◽  
Program Synthesis ◽  
Completeness Theorem ◽  
Point Of View ◽  
Program Execution ◽  
Computation Model ◽  
Clear Explanation ◽  
Direct Interpretation ◽  
Adequacy Condition ◽  
General Explanation

The aim of this paper is to provide a general explanation of the “algorithmic content” of proofs, according to a point of view adequate to computer science. Differently from the more usual attitude of program synthesis, where the “algorithmic content” is captured by translating proofs into standard algorithmic languages, here we propose a “direct” interpretation of “proofs as programs”. To do this, a clear explanation is needed of what is to be meant by “proof-execution”, a concept which must generalize the usual “program-execution”. In the first part of the paper we discuss the general conditions to be satisfied by the executions of proofs and consider, as a first example of proof-execution, Prawitz’s normalization. According to our analysis, simple normalization is not fully adequate to the goals of the theory of programs: so, in the second section we present an execution-procedure based on ideas more oriented to computer science than Prawitz’s. We provide a soundness theorem which states that our executions satisfy an appropriate adequacy condition, and discuss the sense according to which our “proof-algorithms” inherently involve parallelism and non determinism. The Properties of our computation model are analyzed and also a completeness theorem involving a notion of “uniform evaluation” of open formulas is stated. Finally, an “algorithmic completeness” theorem is given, which essentially states that every flow-chart program proved to be totally correct can be simulated by an appropriate “purely logical proof”.

The contents of consciousness during sleep: Some theoretical problems

2000 ◽  
Vol 23 (6) ◽  
pp. 995-996 ◽  
Author(s):  
Antti Revonsuo
Keyword(s):  
Rem Sleep ◽  
Memory Functions ◽  
States Of Consciousness ◽  
The Mind ◽  
Global States

The approach of Hobson et al. is limited to the description of global states of consciousness, although more detailed analyses of the specific contents of consciousness would also be required. Furthermore, their account of the mind-brain relationship remains obscure. Nielsen's discussion suffers from conceptual and definitional unclarity. Mentation during sleep could be clarified by reconceptualizing it as an issue about the contents of consciousness. Vertes & Eastman do not consider the types of memory (emotional) and learning (implicit) that are relevant during REM sleep, and therefore dismiss on inadequate grounds the possibility of memory functions associated with REM sleep.[Hobson et al.; Nielsen; Vertes & Eastman]

AUTOMATIC RESULT VERIFICATION BY COMPLETE RUN-TIME CHECKING OF COMPUTATIONS

2001 ◽  
Vol 12 (01) ◽  
pp. 97-124 ◽  
Author(s):  
EDGAR F. A. LEDERER ◽  
ROMEO A. DUMITRESCU
Keyword(s):  
Programming Language ◽  
Error Detection ◽  
Program Execution ◽  
Good Efficiency ◽  
Result Verification ◽  
Coordination Model ◽  
Functional Specification ◽  
Time Result ◽  
Run Time

Two-Stage Programming (2SP) is an experimental programming language, the first implementation of the Specification-Consistent Coordination Model (SCCM). The SCCM proposes a new, mixed-paradigm (functional/imperative) approach to developing reliable programs based on complete run-time checking of computations with respect to a given specification. A 2SP program consists of a functional specification and an imperative coordination tightly connected to the specification. The coordination maps the specification to an imperative and possibly parallel/distributed program. Normal termination of a 2SP program execution implies the correctness of the computed results with respect to the specification, for that execution. We present the basic feautures of the SCCM/2SP, a new message-spassing system of 2SP with integrated run-time checking, and a larger case study. We show that 2SP provides: functional specifications, specification-consistent imperative coordinations, automatic run-time result verification and error detection, enhanced debugging support, and good efficiency.

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