On 25 Dec 2016, at 19:21, Nikolai Lifanov <[email protected]> wrote: > > Hi list, > > I would like to understand why WITH_SHARED_TOOLCHAIN is not the default. > My Raspberry Pi 3 is self-hosting with -j4 and doesn't run out of memory > if the toolchain is shared. Is there a downside to this option?
Yes, there is a noticeable performance hit. Buildworld takes 20-50% longer with a shared toolchain. I don’t know if anyone has done any profiling of rtld to see if there’s any space for optimisation there (I suspect very little). David
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