> On 31 Oct 2018, at 18:30, Maxwell, Adam R <adam.maxw...@pnnl.gov> wrote: > > > >> On Oct 31, 2018, at 10:05, Christiaan Hofman <cmhof...@gmail.com> wrote: >> >> >> I know exactly nothing about NSZone. I wonder how much the efficiency gains >> in fvzone are needed with newer OS versions. > > Last time I profiled it, it was still a decent performance win (Sierra, I > think). NSZone is really optimized around tiny mallocs, for NSObject sizes > rather than bitmap image sizes. Running FVAllocatorPerf on a 3.5 GHz Mac Pro > with 10.13, I get: > > FVAllocator: 3.52 seconds for 20000 iterations > CFAllocator: 6.21 seconds for 20000 iterations > >> I am glad I made a copy of Xcode 9 before updating to 10. But I probably >> will drop 10.6 anyway. That also solves my problem with ppc support that’s >> still there, and Sparkle does not check for architecture support (though I >> wonder if there’s even a single user for that, my last PPC machine died long >> ago). So dropping 10.6 will also ignore new releases for anyone using ppc, >> as that requires 10.6. > > BibDesk still had PPC support? I thought Xcode had dropped that years ago! > FWIW, the MacTeX working group recently decided that MacTeX would officially > support only versions of OS X for which Apple still provides security > patches. Compiling, packaging, and testing had basically become impossible. > > http://www.tug.org/mactex/SupportedSystems.html > > My Pismo PowerBook G3 still worked last year, and I assume it would still > power up if I want to run Leopard very slowly. Hard to believe it’s nearly 20 > years old. > > The major downside of dropping support for older versions is all the bullshit > deprecation warnings, for which I blame iOS and Swift. They’ve really gotten > out of hand, IMNSHO. > > — adam
Unfortunately I also cannot make it work with libc++ and 10.6 dropped. I get a stupid warning about incompatible pointer types in FVCacheFile (even though there’s a clang diagnostic ignored), and more problematic, the new and delete don’t work in FVCacheFile. Any ideas? Christiaan
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