Originally posted by enjolras
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DragonFlyBSD Improves Performance Against Linux
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Originally posted by kraftman View PostOnly two posts and a big fail. You linked to unreleased version. It will be nice to see some newer Linux distro rather than old SL. Btw. I always wondered why it'sFreeBSD pushed so hard rather than DragonFlyBSD. The later is not only faster, has great community, but it's also much more innovative. In contrary freebsd community are just envy fanboys and trolls.
You criticize FreeBSD for having a fanboy comunity, but you always sound like a fanboy yourself.
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Originally posted by XorEaxEax View PostI someone who regularly benchmarks clang/llvm vs GCC I can say I've not seen any results (atleast not as recent as this year, before that my memory may fail me) where clang/llvm beats GCC where I use -O3
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Originally posted by kraftman View PostOnly two posts and a big fail. You linked to unreleased version. It will be nice to see some newer Linux distro rather than old SL. Btw. I always wondered why it'sFreeBSD pushed so hard rather than DragonFlyBSD. The later is not only faster, has great community, but it's also much more innovative. In contrary freebsd community are just envy fanboys and trolls.
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Originally posted by XorEaxEax View PostI someone who regularly benchmarks clang/llvm vs GCC I can say I've not seen any results (atleast not as recent as this year, before that my memory may fail me) where clang/llvm beats GCC where I use -O3, which is the optimization level where the compilers strive to produce the fastest code. And as we can see from the results you linked to, whenever -O3 is used GCC is 'superior' to clang/llvm, and also in most of the cases where no optimization level is set (which really doesn't count though as it is worthless) and the only times clang/llvm beats GCC is when there is no -O optimization level which means GCC defaults to -O0 which is 'no optimization' and aimed for debugging.
Typically my tests results in 5-20% better performance with GCC versus clang/llvm, and when I've tried the GCC 4.8 versus LLVM 3.2 snapshots GCC has actually increased the performance gap (that said, snapshots are anything but conclusive). It should be noted that my benchmarks are all on x86_64, I have no idea of how x86 or for example ARM architectures compare.
On another note I find Dragonfly most interesting from a technical standpoint, keep up the good work!
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