Comment 10 for bug 185263

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Josh Haberman (jhaberman) wrote :

Also I don't think Knuth is the only one who could possibly care about this: some binaries actually run slower on x86-64 than on x86 (up to 10% from numbers I've seen) and the only possible reason for this slowdown AFAIK is the bigger pointers on x86-64 and the resulting effects on dcache and icache.