dcslin commented on issue #639: added support for matmul 3d 4d URL: https://github.com/apache/singa/pull/639#issuecomment-605794131 > Is it called batched matmul or batched gemm? > Seems different to tensordot. > since the API for matmul remains the same, we may need to update the DocString. In the high level API, `batch matmul` is ok, I see people calling it this way. In numpy, all `matmul` are call `matmul`. In the low level API, cublas calls it `Batched GEMM`, cblas also does similarly. I have update `singa/tensor.py` docstring to cover 3 cases: 1. 2d*1d matrix to vector 2. 2d*2d matrix to matrix 3. 3/4d*3/4d batched matrix to matrix
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