leezu commented on issue #17047: Add build flag for x86 arch URL: https://github.com/apache/incubator-mxnet/pull/17047#issuecomment-564830820 > Yes, there is no need to set -msse3 explicitly if -march has a more advanced arch. But I keep -msse3 here as a gate keeper since we won't want to support lower end machines. @larroy Why do we need such gate keeper? How about defaulting to `march=native -mtune=native`?
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