[GHC] #10648: Some 64-vector SIMD primitives are absolutely useless

#10648: Some 64-vector SIMD primitives are absolutely useless -------------------------------------+------------------------------------- Reporter: mniip | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: Keywords: | Operating System: Unknown/Multiple Architecture: | Type of failure: None/Unknown Unknown/Multiple | Blocked By: Test Case: | Related Tickets: Blocking: | Differential Revisions: | -------------------------------------+------------------------------------- The primitives `packInt8X64#`, `packWord8X64#`, `unpackInt8X64#`, `unpackWord8X64#` cannot be used because their types include unboxed 64-tuples, but any haskell code using them does not compile due to the 62-tuple limitation. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10648 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler

#10648: Some 64-vector SIMD primitives are absolutely useless -------------------------------------+------------------------------------- Reporter: mniip | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Runtime | Unknown/Multiple performance bug | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by thomie): * cc: gmainland (added) * failure: None/Unknown => Runtime performance bug -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10648#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler

#10648: Some 64-vector SIMD primitives are absolutely useless -------------------------------------+------------------------------------- Reporter: mniip | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: Resolution: | Keywords: SIMD Operating System: Unknown/Multiple | Architecture: Type of failure: Runtime | Unknown/Multiple performance bug | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by bgamari): * keywords: => SIMD -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10648#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler

#10648: Some 64-vector SIMD primitives are absolutely useless -------------------------------------+------------------------------------- Reporter: mniip | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: Resolution: | Keywords: SIMD Operating System: Unknown/Multiple | Architecture: Type of failure: Runtime | Unknown/Multiple performance bug | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by carter): * cc: carter (added) -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10648#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler

#10648: Some 64-vector SIMD primitives are absolutely useless -------------------------------------+------------------------------------- Reporter: mniip | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: Resolution: | Keywords: SIMD Operating System: Unknown/Multiple | Architecture: Type of failure: Runtime | Unknown/Multiple performance bug | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by Axman6): * cc: carter (removed) * cc: Axman6 (added) -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10648#comment:4 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler

#10648: Some 64-vector SIMD primitives are absolutely useless -------------------------------------+------------------------------------- Reporter: mniip | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: Resolution: | Keywords: SIMD Operating System: Unknown/Multiple | Architecture: Type of failure: Runtime | Unknown/Multiple performance bug | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by Axman6): * cc: carter (added) -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10648#comment:5 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler

#10648: Some 64-vector SIMD primitives are absolutely useless -------------------------------------+------------------------------------- Reporter: mniip | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: Resolution: | Keywords: SIMD Operating System: Unknown/Multiple | Architecture: Type of failure: Runtime | Unknown/Multiple performance bug | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by bgamari): An easy way to resolve this would be to bump the maximum tuple width to 64. I don't know precisely what this would involve, but I doubt it would be very difficult. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10648#comment:6 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
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