[Do not merge] Sparse sgd without atomicAdd#11229
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sidgoyal78 wants to merge 5 commits intoPaddlePaddle:developfrom
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[Do not merge] Sparse sgd without atomicAdd#11229sidgoyal78 wants to merge 5 commits intoPaddlePaddle:developfrom
sidgoyal78 wants to merge 5 commits intoPaddlePaddle:developfrom
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@dzhwinter : Did you get a chance to look at it? |
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This PR has an alternate implementation of the SparseSGD kernel without cuda atomics. It is not the most efficient implementation. It partitions work along the input dimension, so that each thread can work parallely on a given dimension across the sparse table.