leezu opened a new issue #12197: topk regression URL: https://github.com/apache/incubator-mxnet/issues/12197 ## Description https://github.com/apache/incubator-mxnet/pull/12085/ introduced a bug into the topk operator. Below code example will output `[ 274232. 179574. 274233. 274231.]` with mxnet-cu90==1.3.0b20180810 but `[ 274232. 179574. 274232. 274232.]` with mxnet-cu90==1.3.0b20180814. @szha @ciyongch @eric-haibin-lin ## Steps to reproduce (Paste the commands you ran that produced the error.) 1. `wget https://s3.amazonaws.com/lllausen-public/topk/array.npy` 2. `python3 -c 'import mxnet as mx;import numpy as np; print(mx.nd.topk(mx.nd.array(np.load("/tmp/array.npy")), k=4)[80])'`
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