chrishkchris commented on issue #572: hotfix: cpp softmax not impl URL: https://github.com/apache/singa/pull/572#issuecomment-574022539 @dcslin I used a simple test code to compare with pytorch when the input vector is of the size [1, 5]. The output is the same as pytorch. I suppose the difference maybe from cross_entropy. 1. singa ubuntu@ip-172-31-26-47:~$ python3 softmaxtest.py x = [1. 3. 5. 7. 9.] dy = [1. 3. 5. 7. 9.] y = [[2.9007587e-04 2.1433870e-03 1.5837606e-02 1.1702495e-01 8.6470395e-01]] dx = [[-0.00222993 -0.01219034 -0.05839987 -0.19747007 0.27029037]] 2. pytorch (pytorch_p36) ubuntu@ip-172-31-16-63:~/pytorch_ops_test$ python softmaxtest.py x = [[1. 3. 5. 7. 9.]] dy = [[1. 3. 5. 7. 9.]] y = [2.9007587e-04 2.1433870e-03 1.5837606e-02 1.1702495e-01 8.6470395e-01] dx = [-0.00222993 -0.01219034 -0.05839989 -0.19747011 0.27029008]
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