#14161: Performance Problems on AST Dump -------------------------------------+------------------------------------- Reporter: h4ck3rm1k3 | Owner: (none) Type: bug | Status: new Priority: low | Milestone: Component: Compiler | Version: 8.3 Keywords: | Operating System: Linux Architecture: x86_64 | Type of failure: Compile-time (amd64) | performance bug Test Case: | Blocked By: Blocking: | Related Tickets: Differential Rev(s): | Wiki Page: -------------------------------------+------------------------------------- Using the latest self compiler ghc ghc -O -ddump-to-file -ddump-parsed-ast with the file https://raw.githubusercontent.com/h4ck3rm1k3/gcc- ontology/master/tests/example_python_ast_in_haskell.hs After 2 hours I stopped it : PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 20 0 1.000t 0.014t 0 D 3.3 94.0 108:29.80 ghc -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14161 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler