Abstract
The decrease of the performance gain dictated by Moore's Law boosted the development of manycore architectures to replace single-core architectures. These new architectures must employ parallel applications and distribute its workload over a multitude of cores to reach the desired performance. Parallel applications are harder to develop than sequential ones since the developer must guarantee data integrity using synchronization primitives. While multiple novel solutions have been proposed to speed up parallel applications through handling one type of data synchronization primitive, exceptionally few works support multiple types of synchronization primitives and legacy code. This article proposes Subutai, a hardware/software co-design solution for accelerating multiple synchronization primitives without modifying the application source code. By providing a new user library, while retaining an existing synchronization API, legacy and novel applications can benefit from our solution. Our experimental evaluation, which provides a POSIX Threads implementation, demonstrates Subutai speeds up to 2.71× and 4.61× the execution of single- and multiple-application executions, respectively.
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