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Posted to dev@mxnet.apache.org by Qing Lan <la...@live.com> on 2019/02/12 23:36:32 UTC

[DISCUSS] upgrade openblas

Dear Community,

Recently I observed a performance regression on a MXNet after switching Atlas to openblas 0.3.3. OpenBLAS community address this issue in their 0.3.5 release. So I plan to upgrade openblas in our publish system to gain the performance improvement, here to discuss if anyone had concerns with this.

Currently this upgrade seemed to bring a negative impact to Julia: https://github.com/xianyi/OpenBLAS/issues/1955

Reference:
https://github.com/xianyi/OpenBLAS/issues/1897

Thanks,
Qing