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Re: [GHC] #1147: Quadratic behaviour in the compacting GC
by GHC 22 Jan '13

22 Jan '13

#1147: Quadratic behaviour in the compacting GC ---------------------------------+------------------------------------------ Reporter: simonmar | Owner: Type: bug | Status: new Priority: normal | Milestone: _|_ Component: Runtime System | Version: 6.6 Keywords: ghci compacting | Os: Unknown/Multiple Architecture: Unknown/Multiple | Failure: Runtime performance bug Difficulty: Unknown | Testcase: Blockedby: | Blocking: Related: | ---------------------------------+------------------------------------------ Comment(by morabbin): Running with `+RTS -c -RTS` does not hang (on x86_64 Mac, 8Gb RAM). Trying with larger test values. -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1147#comment:7> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #2695: bogus "syntactically distinct contexts" error
by GHC 22 Jan '13

22 Jan '13

#2695: bogus "syntactically distinct contexts" error ---------------------------------+------------------------------------------ Reporter: conal | Type: bug Status: closed | Priority: low Milestone: _|_ | Component: Compiler (Type checker) Version: 6.11 | Resolution: fixed Keywords: | Os: Unknown/Multiple Architecture: Unknown/Multiple | Failure: None/Unknown Difficulty: Unknown | Testcase: Blockedby: | Blocking: Related: | ---------------------------------+------------------------------------------ Changes (by monoidal): * status: new => closed * failure: => None/Unknown * resolution: => fixed Comment: As of GHC 7.6, the code compiles fine. -XRelaxedPolyRec is the default and cannot be switched off. -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2695#comment:4> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #1147: Quadratic behaviour in the compacting GC
by GHC 22 Jan '13

22 Jan '13

#1147: Quadratic behaviour in the compacting GC ---------------------------------+------------------------------------------ Reporter: simonmar | Owner: Type: bug | Status: new Priority: normal | Milestone: _|_ Component: Runtime System | Version: 6.6 Keywords: ghci compacting | Os: Unknown/Multiple Architecture: Unknown/Multiple | Failure: Runtime performance bug Difficulty: Unknown | Testcase: Blockedby: | Blocking: Related: | ---------------------------------+------------------------------------------ Comment(by simonmar): Bug still exists. Would be nice to know if the program still demonstrates it though. -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1147#comment:6> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #2284: Stack-hack optimization causes much re-computation in GUI callbacks
by GHC 22 Jan '13

22 Jan '13

#2284: Stack-hack optimization causes much re-computation in GUI callbacks -------------------------------+-------------------------------------------- Reporter: sedillard | Owner: Type: bug | Status: closed Priority: normal | Milestone: _|_ Component: Compiler | Version: 6.8.2 Resolution: duplicate | Keywords: Os: Unknown/Multiple | Architecture: Unknown/Multiple Failure: None/Unknown | Difficulty: Unknown Testcase: | Blockedby: Blocking: | Related: -------------------------------+-------------------------------------------- Changes (by simonmar): * status: new => closed * resolution: => duplicate -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2284#comment:9> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #1105: Custom Runtimes
by GHC 22 Jan '13

22 Jan '13

#1105: Custom Runtimes -------------------------------+-------------------------------------------- Reporter: humasect | Owner: Type: feature request | Status: closed Priority: normal | Milestone: _|_ Component: Runtime System | Version: 6.6 Resolution: wontfix | Keywords: runtime custom sdl cocoa init main ghci Os: Unknown/Multiple | Architecture: Unknown/Multiple Failure: None/Unknown | Difficulty: Unknown Testcase: | Blockedby: Blocking: | Related: -------------------------------+-------------------------------------------- Changes (by simonmar): * status: new => closed * resolution: => wontfix Comment: Let's close - too vague, too old. -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1105#comment:6> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #1167: mangler makes global symbol disappear on linux-ppc
by GHC 22 Jan '13

22 Jan '13

#1167: mangler makes global symbol disappear on linux-ppc ----------------------------------+----------------------------------------- Reporter: arekm@… | Owner: Type: bug | Status: closed Priority: normal | Milestone: _|_ Component: Compiler | Version: 6.6 Resolution: wontfix | Keywords: Os: Linux | Architecture: powerpc Failure: None/Unknown | Difficulty: Unknown Testcase: | Blockedby: Blocking: | Related: ----------------------------------+----------------------------------------- Changes (by simonmar): * status: new => closed * resolution: => wontfix Comment: The mangler is dead. -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1167#comment:4> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #1105: Custom Runtimes
by GHC 22 Jan '13

22 Jan '13

#1105: Custom Runtimes --------------------------------------------------------+------------------- Reporter: humasect | Owner: Type: feature request | Status: new Priority: normal | Milestone: _|_ Component: Runtime System | Version: 6.6 Keywords: runtime custom sdl cocoa init main ghci | Os: Unknown/Multiple Architecture: Unknown/Multiple | Failure: None/Unknown Difficulty: Unknown | Testcase: Blockedby: | Blocking: Related: | --------------------------------------------------------+------------------- Changes (by morabbin): * failure: => None/Unknown Comment: I don't the GHC API goes what the o.p. wants. He seems to be calling for replacing the scheduler (and other bits) with a domain-specific one of his own devising. -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1105#comment:5> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #1171: GHC doesn't respect the imprecise exceptions semantics
by GHC 22 Jan '13

22 Jan '13

#1171: GHC doesn't respect the imprecise exceptions semantics -------------------------------+-------------------------------------------- Reporter: neil | Owner: Type: bug | Status: new Priority: low | Milestone: _|_ Component: Compiler | Version: 6.6 Resolution: | Keywords: Os: Unknown/Multiple | Architecture: Unknown/Multiple Failure: None/Unknown | Difficulty: Unknown Testcase: cg059 | Blockedby: Blocking: | Related: -------------------------------+-------------------------------------------- Changes (by morabbin): * failure: => None/Unknown Comment: This reads like a misunderstanding of the semantics described in the paper; close as wontfix? -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1171#comment:16> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #2284: Stack-hack optimization causes much re-computation in GUI callbacks
by GHC 22 Jan '13

22 Jan '13

#2284: Stack-hack optimization causes much re-computation in GUI callbacks ---------------------------------+------------------------------------------ Reporter: sedillard | Owner: Type: bug | Status: new Priority: normal | Milestone: _|_ Component: Compiler | Version: 6.8.2 Keywords: | Os: Unknown/Multiple Architecture: Unknown/Multiple | Failure: None/Unknown Difficulty: Unknown | Testcase: Blockedby: | Blocking: Related: | ---------------------------------+------------------------------------------ Changes (by morabbin): * failure: => None/Unknown Comment: Claimed as dup of #1168 above, ought to be marked as such? Or vice versa. -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2284#comment:8> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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Re: [GHC] #1168: Optimisation sometimes decreases sharing in IO code
by GHC 22 Jan '13

22 Jan '13

#1168: Optimisation sometimes decreases sharing in IO code ---------------------------------+------------------------------------------ Reporter: simonmar | Owner: Type: bug | Status: new Priority: normal | Milestone: _|_ Component: Compiler | Version: 6.6 Keywords: | Os: Unknown/Multiple Architecture: Unknown/Multiple | Failure: None/Unknown Difficulty: Unknown | Testcase: nofib/spectral/calendar Blockedby: | Blocking: Related: | ---------------------------------+------------------------------------------ Changes (by morabbin): * failure: => None/Unknown Comment: Seems to like nothing has changed here; #2284 is claimed as a dup of this ticket (#1168) in its comments, but not marked as such. Doesn't seem like a bug though; more like a feature request. -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1168#comment:13> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler

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