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JavaScript is one of the most widely used dynamic languages. The performance of existing JavaScript VMs, however, is lower than that of VMs for static languages. There is a need for a research VM to easily explore new implementation approaches. This paper presents the Tachyon JavaScript VM which was designed to be flexible and to allow experimenting with(More)
Learning good representations from a large set of unlabeled data is a particularly challenging task. Recent work (see Bengio (2009) for a review) shows that training deep architectures is a good way to extract such representations, by extracting and disentangling gradually higher-level factors of variation characterizing the input distribution. In this(More)
From its modest beginnings as a tool to validate forms, JavaScript is now an industrial-strength language used to power online applications such as spreadsheets, IDEs, image editors and even 3D games. Since all modern web browsers support JavaScript, it provides a medium that is both easy to distribute for developers and easy to access for users. This paper(More)
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