leezu commented on issue #17047: Add build flag for x86 arch URL: https://github.com/apache/incubator-mxnet/pull/17047#issuecomment-564856392 We need to set `-march` and `-mtune` reasonably when building releases for other users (such as nightly build). But there's no problem to do that on our side. > If they build MXNet on a high end machine and want to deploy it to a lower end one, it might have problems. It's already true for the SSE3 instructions, though arguably SSE3 is widely available, so the case is unlikely. One solution would be to to point out in the setup instructions that `native` needs to be overwritten when planning to use the build on a different machine?
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