[TVM Discuss] [Development] Explore Optimizations for Concat

2019-06-13 Thread hlu1 via TVM Discuss
Sounds good. Will do. --- [Visit Topic](https://discuss.tvm.ai/t/explore-optimizations-for-concat/2435/11) to respond. You are receiving this because you enabled mailing list mode. To unsubscribe from these emails, [click here](https://discuss.tvm.ai/email/unsubscribe/488cbb585026277025

[TVM Discuss] [Development] Explore Optimizations for Concat

2019-06-07 Thread hlu1 via TVM Discuss
We have found a simple workaround in the case of concatenating 2D tensors (currently our most common use case). By unrolling the last axis, llvm is smart enough to generate vectorized code and the performance is even better than c code in caffe2. For benchmark numbers, see https://gist.github