File:  [NetBSD Developer Wiki] / wikisrc / projects / project / sgimipsr10k.mdwn
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Thu Feb 15 00:33:13 2018 UTC (2 years, 11 months ago) by maya
Branches: MAIN
CVS tags: HEAD
Mention we use softfloat on 64bitters, that's a huge performance hit.

    1: [[!template id=project
    2: 
    3: title="Optimize for R10k CPUs in machines like the SGI O2"
    4: 
    5: contact="""
    6: [port-sgimips](mailto:port-sgimips@NetBSD.org)
    7: """
    8: 
    9: category="ports"
   10: difficulty="medium"
   11: 
   12: description="""
   13: NetBSD/sgimips currently runs on O2s with R10k (or similar) CPUs, but for
   14: example speculative loads are not handled correctly.  It is unclear if this is
   15: pure kernel work or the toolchain needs to be changed too.
   16: 
   17: Currently softfloat is used, and bugs seem to exist in the hardware float support.
   18: Resolving these bugs and switching to hardware float would improve performance.
   19: 
   20: See also [NetBSD/sgimips](../../ports/sgimips/).
   21: """
   22: ]]

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