samth changed the topic of #racket to: Racket v7.6 has been released: https://blog.racket-lang.org/2020/02/racket-v7-6.html -- Racket -- https://racket-lang.org -- https://pkgs.racket-lang.org -- Paste at http://pasterack.org
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<rmnull> hello, is there a way to get logs, that explains why drracket crashed last time it ran ? I can reproduce the crash( if that is helpful in someway ).
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<friscosam> one thing to do is run DrRacket at the command line and check if there is a back trace.
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<jcowan> When did MzScheme/Racket first sprout a JIT?
<jcowan> (in regular production, not as a build option)
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<bremner> at a guess, before 2010
<bremner> that's when I first see liblightning in the version control log. Could be much earlier for all I know
<samth> jcowan: I believe version 350, in 2006
<jcowan> thanks
<jcowan> are there benchmark statistics release by release? I'm interested in knowing how fast an old MzScheme program might run today (modulo it runs at all)
<samth> however, it might not have been the default until 370 (2007) when the precise collector became the default
<samth> no, there aren't statistics that I know of like that
<samth> old mzscheme programs probably run substantially faster than they used to
<samth> but comparable to similar racket programs
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* jcowan nods
<jcowan> Thanks
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<rmnull> friscosam: thanks, i did try that. i was hoping for something else.
<samth> rmnull: there isn't a log like that, but if you can crash drrracket, especially reproducibly, then a bug report would be great (at github.com/racket/racket)
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<rmnull> i dont think its a DrRacket bug, does DrRacket crashing due to external libraries count as an issue / bug ?
<samth> rmnull: that sort of depends what the libraries are doing -- if they're running unsafe code that crashes, then that's not a bug in drracket (and there's no way to get a log in general of what happened). if they interfere somehow with drracket's internals, that's probably not a bug either.
<samth> rmnull: in other cases than that, drracket shouldn't crash
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<rmnull> thanks, its running external c library, that is causing the issue. i'll take it as that doesnt count as bug.
<samth> rmnull: if the external c library crashes (eg with a segfault) then there's nothing drracket can do, really
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<rmnull> i see, isn't it reasonable to expect for drracket to not close and show error and disable interaction.
<samth> rmnull: drracket is running your program in-process, so if your program crashes at the OS level, so does drracket
<samth> this is in contrast to something like Eclipse, which runs your program in a separate process
<rmnull> oh-kay, although im not convinced why drracket does on same process, but i'll do some reading online. thanks :)
<samth> rmnull: drracket uses the same process because that facilitates tight integration between the user program and the ide, which enables things like the first-class treatment of images
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<friscosam> Although convenient for many things, if you are doing FFI development you are probably better off using an external editor and running the racket cli.
<friscosam> I mean instead of DrRacket. (I started a sentence there and forgot where I was starting.)
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