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Efficacy of automatic parallelization techniques that rely on source code analysis alone is often limited due to lack of information about runtime characteristics of target applications. In order to exploit runtime application behavior for its parallelization, we need: (1) tools/techniques for dynamic instrumentation and profiling; and (2) a methodology to identify areas of application that are amenable...
Thread level speculation (TLS) is an emerging parallel computing paradigm to enable parallelization with minimal programmer interaction on state-of-the-art multi-core systems. However, when applied indiscriminately, thread squashing and re-execution can incur significant overhead and TLS may result in performance degradation compared to sequential code. A thorough analysis of code for potentially...
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