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=========================== Announcing Theano 0.7 =========================== This is a release for a major version, with lots of new features, bug fixes, and some interface changes (deprecated or potentially misleading features were removed). Upgrading to Theano 0.7 is recommended for everyone, but you should first make sure that your code does not raise deprecation warnings with the version you are currently using. For those using the bleeding edge version in the git repository, we encourage you to update to the `rel-0.7` tag. What's New ---------- Highlights: * Integration of CuDNN for 2D convolutions and pooling on supported GPUs * Too many optimizations and new features to count * Various fixes and improvements to scan * Better support for GPU on Windows * On Mac OS X, clang is used by default * Many crash fixes * Some bug fixes as well Description ----------- Theano is a Python library that allows you to define, optimize, and efficiently evaluate mathematical expressions involving multi-dimensional arrays. It is built on top of NumPy. Theano features: * tight integration with NumPy: a similar interface to NumPy's. numpy.ndarrays are also used internally in Theano-compiled functions. * transparent use of a GPU: perform data-intensive computations up to 140x faster than on a CPU (support for float32 only). * efficient symbolic differentiation: Theano can compute derivatives for functions of one or many inputs. * speed and stability optimizations: avoid nasty bugs when computing expressions such as log(1+ exp(x)) for large values of x. * dynamic C code generation: evaluate expressions faster. * extensive unit-testing and self-verification: includes tools for detecting and diagnosing bugs and/or potential problems. Theano has been powering large-scale computationally intensive scientific research since 2007, but it is also approachable enough to be used in the classroom (IFT6266 at the University of Montreal). Resources --------- About Theano: http://deeplearning.net/software/theano/ Related projects: http://github.com/Theano/Theano/wiki/Related-projects About NumPy: http://numpy.scipy.org/ About SciPy: http://www.scipy.org/ Machine Learning Tutorial with Theano on Deep Architectures: http://deeplearning.net/tutorial/ Acknowledgments --------------- I would like to thank all contributors of Theano. For this particular release, many people have helped, and to list them all would be impractical. I would also like to thank users who submitted bug reports. Also, thank you to all NumPy and Scipy developers as Theano builds on their strengths. All questions/comments are always welcome on the Theano mailing-lists ( http://deeplearning.net/software/theano/#community ) -- Pascal
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Pascal Lamblin