May 2013 - ghc-tickets

Re: [GHC] #5567: LLVM: Improve alias analysis / performance
by GHC 01 May '13

01 May '13

#5567: LLVM: Improve alias analysis / performance ---------------------------------+------------------------------------------ Reporter: dterei | Owner: dterei Type: task | Status: new Priority: normal | Milestone: 7.6.2 Component: Compiler (LLVM) | Version: Keywords: | Os: Unknown/Multiple Architecture: Unknown/Multiple | Failure: Runtime performance bug Difficulty: | Testcase: Blockedby: | Blocking: Related: | ---------------------------------+------------------------------------------ Comment(by carter): heres the commits as linked into github [https://github.com/ghc/ghc/commit/0f15f8a76d334becf992a83870d0b327cc3c40b6 commit one] [https://github.com/ghc/ghc/commit/71e5ee7d1656444ad23d0610ddaf9fc99a58b19 commit two] [https://github.com/ghc/ghc/commit/e10589a505b44f4f0394500c6a0d2db5baa7f3f4 commit three that improves stuff] [https://github.com/ghc/ghc/commit/ba52053b95ccb417ca7ce08e85a45e49b5f49b0a adding -llvm-tbaa flag] has anyone looked into this topic more recently? Is there any low hanging fruit in this area? -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5567#comment:9> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #7097: linker fails to load package with binding to foreign library
by GHC 01 May '13

01 May '13

#7097: linker fails to load package with binding to foreign library ----------------------------------+----------------------------------------- Reporter: nus | Owner: Type: bug | Status: new Priority: high | Milestone: 7.8.1 Component: Runtime System | Version: 7.4.2 Keywords: | Os: Windows Architecture: x86 | Failure: None/Unknown Difficulty: Unknown | Testcase: Blockedby: 3658 | Blocking: Related: #2283 #3242 #1883 | ----------------------------------+----------------------------------------- Changes (by Rothiph): * cc: mikesteele81@… (added) -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7097#comment:20> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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[GHC] #7876: hClose002 for ghci hangs on Mac OS X
by GHC 01 May '13

01 May '13

#7876: hClose002 for ghci hangs on Mac OS X ----------------------------------------+----------------------------------- Reporter: nfrisby | Owner: Type: bug | Status: new Priority: normal | Component: Compiler Version: 7.6.3 | Keywords: Os: MacOS X | Architecture: Unknown/Multiple Failure: Incorrect result at runtime | Blockedby: Blocking: | Related: ----------------------------------------+----------------------------------- I'm on 10.7.5 ghc : ade1ae97ed52c493ec415c1601dace39b64071dd testsuite : 743cab5865ae0b9820dadc33a692511e0e467b9b base : b3387abfbc94b69e977c232386acad4dde7597e8 When I validate, hClose002 hangs. If I execute the hClose002 program, I get what seems to be the expected output. If I run the script through ghci, it hangs. The test opens a file in WriteMode, closes it "without telling the IO library", then hCloses it twice. Then it does that again in ReadMode. Thus there are four hClose calls in total. It is the third one that hangs. -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7876> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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