Fix SpatialSubSampling (was doing non-atomic writes in backprop). #277
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Also some changes to test to make it less flaky: - Decrease some output counts to reduce out-of-memory issues. - Decrease some tolerances. - Increase precision of random seed so that multiple test launches at the same time start with different seeds.
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Note partially fixes #117, but SpatialDilatedConvolution is still buggy and fails occasionally (gives all-zero gradInput). |
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Also some changes to test to make it less flaky:
the same time start with different seeds.