
#10491: Regression, simplifier explosion with Accelerate, cannot compile, increasing tick factor is not a workaround -------------------------------------+------------------------------------- Reporter: robertce | Owner: Type: bug | Status: new Priority: highest | Milestone: 7.10.2 Component: Compiler | Version: 7.10.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time | Unknown/Multiple performance bug | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Revisions: -------------------------------------+------------------------------------- Comment (by George): -fno-specialise does not seem to solve the problem ( time ghc -v -fsimpl-tick-factor=150 -O2 Slice.hs ) > t.out 2>&1 & tail t.out {{{ Result size of Float inwards = {terms: 4,218,587, types: 4,087,814, coercions: 113,719} *** Called arity analysis: Result size of Called arity analysis = {terms: 4,218,587, types: 4,087,814, coercions: 113,719} *** Simplifier: Result size of Simplifier iteration=1 = {terms: 4,217,640, types: 4,085,011, coercions: 111,731} Result size of Simplifier iteration=2 = {terms: 4,217,311, types: 4,083,869, coercions: 110,905} }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10491#comment:24 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler