Compile-time support for thread-level speculation

TL;DRAbstract

Multicore technologies have increased the peak performance of computing systems during the last decade. However, unlike previous advances in computer architecture, existent code cannot immediately take advantage of these architectures improvements. To fully exploit multicore capabilities, programmers should parallelize their applications, a difficult task that requires an in-depth knowledge of both the application and the underlying computer architecture. Parallelization techniques such as Thread-Level Speculation (TLS) eases this task, ensuring that the parallel code satisfies the sequential semantics. Nevertheless, this technique also requires manual and tough intervention by expert programmers.

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