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8.5: news.adda/concurrency/dct/Gadara`Discrete Control Theory:
Eliminating Concurrency Bugs with Control Engineering (pdf)
Concurrent programming is notoriously difficult
and is becoming increasingly prevalent
as multicore hardware compels performance-conscious developers
to parallelize software.
If we cannot enable the average programmer
to write correct and efficient parallel software
at reasonable cost,
the computer industry's rate of value creation
may decline substantially.
Our research addresses the
challenges of concurrent programming
by leveraging control engineering,
a body of technique that can
constrain the behavior of complex systems,
prevent runtime failures,
and relieve human designers and operators
of onerous responsibilities.
In past decades,
control theory made industrial processes
-- complex and potentially dangerous --
safe and manageable
and relieved human operators
of tedious and error-prone chores.
Today, Discrete Control Theory promises
similar benefits for concurrent software.
This talk describes an application of the
control engineering paradigm to concurrent software:
Gadara, which uses Discrete Control Theory
to eliminate deadlocks in
shared-memory multithreaded software.
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