Author: Dann Corbit
Date: 15:18:39 06/20/02
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On June 20, 2002 at 17:58:20, Tom Kerrigan wrote: >On June 20, 2002 at 17:42:30, Dann Corbit wrote: > >>Do you imagine that this will settle any argument beyond that particular >>CPU/OS/compiler combination? >>I don't. > >Why not? gcc is gcc. The HP-PA is your standard RISC chip. The OS doesn't >matter. I don't see why the HP-PA would get more or less of a speedup going to >64-bit than a MIPS, UltraSparc, POWER, or any other RISC chip. Compilers will generate *very* different instruction mixes even on the same CPU. The Intel compiler *destroys* the GCC compiler for floating point on my machine. Compilers go back and forth. The GCC 3.1 is very good. I doubt very much if there is an RPM available for our HP or MIPS machine for 3.1 (which I have had problems with anyway -- there are some acute problems with 3.1). So the compiler will have to be GCC 2.?.? which will generate some bad assembly. I would have to download, install, the compiler and also configure crafty for that machine. Then bench it to find an answer which I don't think is meaningful. Probably, you will have to find someone else to test it. I might do it if I happen to come in on the weekend some time. But I see it as a 4 hour waste of time.
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