id summary reporter owner description type status priority milestone component version resolution keywords cc os architecture failure difficulty testcase blockedby blocking related 3831 SpecConstr should exploit cases where there is exactly one call pattern igloo simonpj "On x86/Linux, with this `mk/build.mk`: {{{ GhcLibWays = v p dyn SRC_HC_OPTS = -O -H64m -Rghc-timing GhcStage1HcOpts = -O -fasm GhcStage2HcOpts = -O2 -fasm GhcHcOpts = -Rghc-timing GhcLibHcOpts = -O2 -XGenerics #SplitObjs = YES SplitObjs = NO HADDOCK_DOCS = NO BUILD_DOCBOOK_HTML = NO BUILD_DOCBOOK_PS = NO BUILD_DOCBOOK_PDF = NO # ----------------------------------------------------------------------------- # Other settings that might be useful # profiled RTS #GhcRtsCcOpts = -pg -g # Optimised/profiled RTS #GhcRtsCcOpts = -O2 -pg #GhcRtsWithFrontPanel = YES #SRC_HC_OPTS += `gtk-config --libs` # NoFib settings NoFibWays = STRIP=: }}} and these commands: {{{ $ sh boot $ ./configure --prefix=/opt/ghc-6.13 $ make }}} and a 1GB memory limit (`ulimit -v 1024000`), the build fails with: {{{ ""inplace/bin/ghc-stage1"" -O -H64m -Rghc-timing -package-name terminfo-0.3.1.1 -hide-all-packages -i -ilibraries/terminfo/. -ilibraries/terminfo/dist-install/build -ilibraries/terminfo/dist-install/build/autogen -Ilibraries/terminfo/dist-install/build -Ilibraries/terminfo/dist-install/build/autogen -Ilibraries/terminfo/. -optP-include -optPlibraries/terminfo/dist-install/build/autogen/cabal_macros.h -package base-4.2.0.0 -package extensible-exceptions-0.1.1.1 -Wall -XForeignFunctionInterface -XDeriveDataTypeable -XEmptyDataDecls -XScopedTypeVariables -XFlexibleInstances -O2 -XGenerics -fno-warn-deprecated-flags -odir libraries/terminfo/dist-install/build -hidir libraries/terminfo/dist-install/build -stubdir libraries/terminfo/dist-install/build -hisuf hi -osuf o -hcsuf hc -c libraries/terminfo/./System/Console/Terminfo/Effects.hs -o libraries/terminfo/dist-install/build/System/Console/Terminfo/Effects.o ghc-stage1: out of memory (requested 1048576 bytes) make[1]: *** [libraries/terminfo/dist-install/build/System/Console/Terminfo/Effects.o] Error 1 make: *** [all] Error 2 }}} With `-v`: {{{ Glasgow Haskell Compiler, Version 6.13.20100120, for Haskell 98, stage 1 booted by GHC version 6.8.2 Using binary package database: /home/ian/qq/ghc/inplace/lib/package.conf.d/packa ge.cache wired-in package ghc-prim mapped to ghc-prim-0.2.0.0-inplace wired-in package integer-gmp mapped to integer-gmp-0.2.0.0-inplace wired-in package base mapped to base-4.2.0.0-inplace wired-in package rts mapped to builtin_rts wired-in package haskell98 mapped to haskell98-1.0.1.1-inplace wired-in package template-haskell mapped to template-haskell-2.4.0.0-inplace wired-in package dph-seq mapped to dph-seq-0.4.0-inplace wired-in package dph-par mapped to dph-par-0.4.0-inplace Hsc static flags: -static Created temporary directory: /tmp/ghc1791_0 *** Checking old interface for terminfo-0.3.1.1:System.Console.Terminfo.Effects: *** Parser: *** Renamer/typechecker: *** Desugar: Result size = 1076 *** Simplifier gentle[rules,no inline] max-iterations=4: Result size = 802 Result size = 758 Result size = 758 *** Specialise: Result size = 758 *** Float out(not lambdas, constants): Result size = 826 *** Float inwards: Result size = 826 *** Simplifier Phase 2 [main] max-iterations=4: Result size = 1499 Result size = 2190 Result size = 2994 Result size = 2380 Result size = 2380 *** Simplifier Phase 1 [main] max-iterations=4: Result size = 2145 Result size = 2115 *** Simplifier Phase 0 [main] max-iterations=4: Result size = 2115 *** Demand analysis: Result size = 2115 *** Worker Wrapper binds: Result size = 2115 *** Glom binds: *** GlomBinds: Result size = 2115 *** Simplifier Phase 0 [post-worker-wrapper] max-iterations=4: Result size = 2115 *** Float out(not lambdas, constants): Result size = 2121 *** Common sub-expression: Result size = 2102 *** Float inwards: Result size = 2102 *** Liberate case: Result size = 2102 *** Simplifier Phase 0 [post-liberate-case] max-iterations=4: Result size = 2082 Result size = 2082 *** SpecConstr: ghc-stage1: out of memory (requested 1048576 bytes) }}} " bug new high 7.8.1 Compiler 6.13 Unknown/Multiple Unknown/Multiple Compile-time performance bug Unknown simplCore/should_compile/T3831