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[WIP] Laser forEach iterators#479

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mratsim wants to merge 16 commits intomastermratsim/Arraymancer:masterfrom laser-iteratorsmratsim/Arraymancer:laser-iteratorsCopy head branch name to clipboard

+376-205

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Commits on Jan 3, 2021

• first introduction of laser iterators

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  5a9ca29

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• Support tensor fields iterators for PCA.

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  2177ae3

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• forEach for error function (1% slowdown in test_nnp_loss.nim)

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• Support array access and export forEach from the "tensor" module

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• update the optimizer tester

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• Handled typed AST passed to untyped param :/

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• Optimizers use forEach

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• activation functions

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• Use the new forEach, warning! huge parallel perf regression to investigate (was already slower than serial)

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• change all apply_inline

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• no need for apply4 workaround in GRU

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• Change softmax iterator, also make example compile

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• Convert apply3 and frobenius inner prod

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• #485 first part, don't parallelize setZero

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• Trying to solve #485 to no avail, at least drop parallelization of sigmoid_cross_entropy

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• don't parallelize copyFromRaw either

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