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    SubjectRe: gcc-2.95.3 vs gcc-3.0.4
    Andrew Morton wrote:
    > Larry McVoy wrote:
    >
    >>Try 2.72, it's almost twice as fast as 2.95 for builds. For BK, at least,
    >>we don't see any benefit from the slower compiler, the code runs the same
    >>either way.
    >>
    >>
    >
    > Amen.
    >
    > I want 2.7.2.3 back, but it was the name:value struct initialiser
    > bug which killed that off. 2.91.66 isn't much slower than 2.7.x,
    > and it's what I use.
    >
    > "almost twice as fast"? That means that 2.7.2 vs 3.x is getting
    > up to a 3x difference. Does anyone know why?

    Yes. Basically the reason is a missconception what the compiler
    should try to optimize in GCC.

    >
    > [ Of course, if you can wink-in the object file from someone else,
    > it's not a problem. (tum, tee tum...) ]
    >
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