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Kmeans||#650

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Commits on Jul 23, 2018

• Fix building.

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• Enable building tests with cmake and make swig optional.

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• Enable specifying CUDA compute capability.

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Commits on Jul 25, 2018

• [WIP, KMeans||] skeleton for the algorithm.

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• Basic for KmMatrix and KMeans.

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• [KmMatrix] Split up proxy, add tests, and fixes.

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• More tests and fixes for KmMatrix.

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• Fix KmMatrix initialization with size.

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• Add helper tools for GPU.

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• cuBlas wrapper file. Only two functions are added.

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• Factor out config code, cublas_handle, add MatrixDim.

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• Rename class member variables for CudaKmMatrix.

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• Add stack for KmMatrix, fix impl ownership bug.

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• Add license.

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• Construct kmeans|| based on KmMatrix.

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• Fix prob for kmeans||.

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• Fix K-Means|| along with added documents.

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• Create Generatorbase and refactor code.

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• Rename shared memory structs, add license.

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• Fix handles_ memory leak.

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• Add argmin op. Fix min op for redundant memory access.

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• Add centroids weighting.

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• Add simple re-clustering.

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• Factor out basic arith ops, add tests for them.

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• Pass all tests for arith.

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• Add tests for distance_pairs.

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• Pass pairwise distance test.

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• Add test for GreedyRecluster.

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• Fix zero distance prob, and re-cluster with large centroids.

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• Extract Arith operation definitions to cuda file.

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• Improve printing matrix.

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• Finish test for kmeans||.

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• Remove warning message.

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• Remove Eigen require.

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• Fix compiler warnings.

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• Add rows functions for KmMatrix.

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• Add SizeError.

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• Add int generator, reshape for KmMatrix.

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• Add random kmeans init class.

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• Revert format change for kmeans_h2o4gpu.cu.

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• Revert warning flag

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• Inject new kmeans|| into kmeans algorithm.

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• Re-structure.

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• Add config for USE_CUDA.

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Commits on Jul 26, 2018

• Fix doc for KmeansLlInit.

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• Remove SelfMinOp.

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• Use cub function for calculating min.

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• Use thrust to generate random numbers.

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• Rename Generator to RandomGenerator.

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