[GitHub] [incubator-mxnet] connorgoggins commented on a change in pull request #17675: [Large Tensor] Fix multi_lars op

2020-02-24 Thread GitBox
connorgoggins commented on a change in pull request #17675: [Large Tensor] Fix 
multi_lars op
URL: https://github.com/apache/incubator-mxnet/pull/17675#discussion_r383560463
 
 

 ##
 File path: tests/nightly/test_large_array.py
 ##
 @@ -455,6 +455,20 @@ def npy_instance_norm(data, gamma, beta, axis, eps=1E-5):
 assert_almost_equal(out, out_nd.asnumpy(), forward_check_eps,
 forward_check_eps)
 
+def check_multi_lars():
+lrs = nd.random_normal(shape=(2**32 + 1, 1))
+weights_sum_sq = nd.random_normal(shape=(2**32 + 1, 1))
+grads_sum_sq = nd.random_normal(shape=(2**32 + 1, 1))
+wds = nd.random_normal(shape=(2**32 + 1, 1))
+eta = .1
+eps = .9
+
+out = nd.multi_lars(lrs=lrs, weights_sum_sq=weights_sum_sq, 
grads_sum_sq=grads_sum_sq,
+wds=wds, eta=eta, eps=eps)
+
+assert out.shape[0] == 4294967297
 
 Review comment:
   Done!


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[GitHub] [incubator-mxnet] connorgoggins commented on a change in pull request #17675: [Large Tensor] Fix multi_lars op

2020-02-26 Thread GitBox
connorgoggins commented on a change in pull request #17675: [Large Tensor] Fix 
multi_lars op
URL: https://github.com/apache/incubator-mxnet/pull/17675#discussion_r384696698
 
 

 ##
 File path: tests/nightly/test_large_array.py
 ##
 @@ -467,6 +468,20 @@ def check_col2im():
 assert res.shape[2] == 2
 assert res.shape[3] == 2
 assert res.shape[4] == 1
+
+def check_multi_lars():
+lrs = nd.random_normal(shape=(LARGE_TENSOR_SHAPE + 1, 1))
+weights_sum_sq = nd.random_normal(shape=(LARGE_TENSOR_SHAPE + 1, 1))
+grads_sum_sq = nd.random_normal(shape=(LARGE_TENSOR_SHAPE + 1, 1))
+wds = nd.random_normal(shape=(LARGE_TENSOR_SHAPE + 1, 1))
+eta = .1
+eps = .9
+
+out = nd.multi_lars(lrs=lrs, weights_sum_sq=weights_sum_sq, 
grads_sum_sq=grads_sum_sq,
+wds=wds, eta=eta, eps=eps)
+
 
 Review comment:
   Great observation - updated w/type check on the first element to trigger 
evaluation of the output NDArray.


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