leezu commented on issue #17047: Add build flag for x86 arch
URL: https://github.com/apache/incubator-mxnet/pull/17047#issuecomment-565274798
On ARM there's also `mcpu`
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leezu commented on issue #17047: Add build flag for x86 arch
URL: https://github.com/apache/incubator-mxnet/pull/17047#issuecomment-564907560
@TaoLv From the wording alone I'd agree with you. But it seems that the
wording is not precise:
Quoting
https://lemire.me/blog/2018/07/25/it-
leezu commented on issue #17047: Add build flag for x86 arch
URL: https://github.com/apache/incubator-mxnet/pull/17047#issuecomment-564891476
@larroy besides `march` there is `mtune`. But on ARM it's `mcpu` instead of
`mtune`. We also need to handle such discrepancy
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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
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
