#15174: got internal error when running a simple but computationally intensive loop -------------------------------+--------------------------------- Reporter: rgrover | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: 8.6.1 Component: GHCi | Version: 8.2.2 Keywords: | Operating System: Linux Architecture: ia64 | Type of failure: None/Unknown Test Case: | Blocked By: Blocking: | Related Tickets: Differential Rev(s): | Wiki Page: -------------------------------+--------------------------------- Got the following on the GHCi prompt: {{{ λ> main <interactive>: internal error: Unable to commit 1048576 bytes of memory (GHC version 8.2.2 for x86_64_unknown_linux) Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug Aborted (core dumped) }}} The program being run: {{{#!hs gaussian mean sigma x = exp (-0.5 * (x - mean) ^ 2 / sigma ^ 2) / (sigma * sqrt (2 * pi)) integrate :: (Double -> Double) -> (Double, Double) -> Double -> Double integrate f (low, high) step = step * sum values where xs = [low, low+step .. high] values = f <$> xs main = print $ integrate (gaussian 100 10) (-1 * 1e5, 1e5) 0.001 }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15174 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler