I just pulled this up under Instruments and found that 94% of the compile time for StringMangling.swift.o, which seems to be where all the time goes, is spent in performLLVM, so this doesn’t look like a type checker issue.
Weight Self Weight Symbol Name 10.32 min 94.4% 1.00 ms performLLVM(swift::IRGenOptions&, swift::DiagnosticEngine&, llvm::sys::SmartMutex<false>*, llvm::GlobalVariable*, llvm::Module*, llvm::TargetMachine*, swift::version::Version const&, llvm::StringRef) I attached a screen shot from Instruments to the bug. Mark > On Sep 24, 2016, at 9:25 PM, Daniel Dunbar <daniel_dun...@apple.com> wrote: > > I'm assuming its the type checker based on how it manifests (and we haven't > changed anything interesting in the module that is slow to build), but I > haven't looked at any samples. > > - Daniel > >> On Sep 24, 2016, at 9:23 PM, Ted Kremenek <kreme...@apple.com >> <mailto:kreme...@apple.com>> wrote: >> >> Does this look related to the type checker (I saw Mark’s comments in the SR) >> or something else? >> >>> On Sep 24, 2016, at 3:23 PM, Daniel Dunbar via swift-dev >>> <swift-dev@swift.org <mailto:swift-dev@swift.org>> wrote: >>> >>> Swift TOT is currently taking a very long time (and upwards of 8GB) to >>> build SwiftPM. I filed: >>> https://bugs.swift.org/browse/SR-2754 >>> <https://bugs.swift.org/browse/SR-2754> >>> can someone on the compiler take a look? This makes it hard to develop with >>> TOT. >>> >>> - Daniel >>> >>> _______________________________________________ >>> swift-dev mailing list >>> swift-dev@swift.org <mailto:swift-dev@swift.org> >>> https://lists.swift.org/mailman/listinfo/swift-dev >>> <https://lists.swift.org/mailman/listinfo/swift-dev> >> >
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